Ported vacuum switch diagram

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Web. 1987chevrolet elcamino 305, not California, vacume hose routing. I need EVERY hose, Not just a copy of the diagram on the fan shroud. Show where every port on the carb goes as well as where the hard p read more. This solenoid has a second hose that goes to the water valve on the heater hoses. When the a/c panel temperature dial is set to the “max†detent, the solenoid is energized, applying vacuum to the water valve and closing it. This shuts off coolant flow to the heater core, supposedly maximizing a/c performance. Sent from my iPhone using. zgubnr
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Ported vacuum feeds vacuum from above the throttle plate. This means no vacuum at idle (because the throttle plate is closed). This type of vacuum advance was found with engines that used low initial timing such as 2-4 degrees. This was the 1st attempt at reducing hydrocarbons prior to the catalytic converter. Advance Auto Parts has 1 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Cadillac DeVille Ported Vacuum Switch products start from as little as $31.99. When it comes to your Cadillac DeVille, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work. Web.

Web. Oct 15, 2022 · The ported vacuum switch n a 1970 by-passed the retard timing solenoid and gave full vacuum to distributor actuator to advance engine speed for improved cooling at idle if engine temp surpassed 220'F. In 1968 this similar switch had a different purpose. However in all cases it was temperature activated.. Mar 07, 2005 · Here are some vacuum diagrams part location, 79 is what you're looking for I think. Also included - the MB accepted way of disconnecting the ignition. MB says any other way will damage something, probably expensive (my emphasis). Cheers, MBL Attachments 12_1430963_392005101813AM.jpg 49.1 KB Views: 3,256 12_1430963_392005101834AM.jpg. Ported Vacuum Switch by Standard®. Without Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of distribution while. Catalog Information Video Specifications: Color: Black Temperature: 94-96°.

Vacuum Switch – 3 Port $ 35.00 3 Port Vacuum Switch Mounts on Intake Manifold This is similar to the Factory one but slightly different in appearance If you’re building a Concours Car you’ll want to locate an Original Switch for judging purposes This is as close to OE as we have on today’s market. diagram for both the 1970-80 V8 engines of various configurations. In these V8 diagrams, the vacuum line to the base of the carb on the. manifold actually indicates ported vacuum, not manifold vacuum. Yes, it's confusing. Also, in these diagrams "10-20-40" and "10-25-45". indicate FSJ's, while "80" indicates a CJ. "E/CALIF" means "except.

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Web. . Mar 29, 2018 · This permits the opening of the evap cann "purge main port", allowing vacuum from the carb (manifold vacuum). The third outer CTO port is teed into the CTO port which is on opposite side of CTO (2 port side) and closest to engine block. Together, the conjoined hoses lead back to the air cleaner thermo vacuum switch TVS.. Ported Vacuum Switch Founded in 1919, Standard® is an indisputable leader in engine management products. With many years of experience in the automotive industry, the company designs, engineers and manufactures over 40,000 of high-quality automotive parts, including ignition coils, cam/crank sensors, diesel injectors, VVT components, MAF. Web.

ported vacuum switch identification original valve color code black dk. blue black black wi brown blue black blue blue wi brown white black brown grey natural black blue ... 3 port 570 _ 670 _ 920 - 920 - 9 70 _ 9 70 _ 1250 - 1250 - 1170 _ 1170 _ 1170 _ 1470 _ 1470 _ 590 - 670 _ 920 - 920 - 1250 - 1250 - _ _ 2220 - 2220 - 670 f 870 f. Web. Web. The vacuum chamber is cooled down by water flowing in hollow spaces in contact with the internal surfaces of the chamber In many Chevy and GMC engines, the thermal ported vacuum switch is broken off at the thermostat housing, or because of the age of the switch it has stopped working ..

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Mar 07, 2005 · This device is a heat-sensitive switch that remains closed until the engine's coolant reaches a certain temperature. The PVS screws into the intake manifold, thermostat housing or engine so the heat-sensing element is in contact with the engine's coolant. Inside the switch is a wax plug that pushes a sliding plunger to uncover or block vacuum .... Washington. Feb 25, 2010. #4. All the manufactures hung retrofit gear on the earlier tech engines until they were forced to develop fuel injection "or steal it from boesch". The basic needs under there are PCV, vaccum advance, vaccum to modulator at trans, brake booster, vaccum to reservour for a/c or heater controls.

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Web. I've learned some things since realizing that I have underutilized economy available to me because the monkey that got under the hood tore stuff to pieces un....

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vacuum, and it should continue to hold steady or at least very nearly steady when you cease pumping. 2. Engine running. Before starting the engine, disconnect both yellow-striped hoses from the vacuum tank and plug one of those tank ports. At-tach a vacuum gauge to the other tank port. On the double-ported side of. Web. Advance Auto Parts has 4 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Buick Century Ported Vacuum Switch products start from as little as $26.99. When it comes to your Buick Century, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with.

Web. Web. Web. mines an original 2V cali car and don't have it. but all 351C's had the WP vacuum tree regardless where it was made. FWIW I disconnected the WP vacuum tree in the 70's and the car runs great. it only bumped up the idle about 150 RPM any ways. hardly noticable in traffic. 1970 Mach 1 San Jose built Dec 23 1969.

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Web. Advance Auto Parts has 1 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Cadillac DeVille Ported Vacuum Switch products start from as little as $31.99. When it comes to your Cadillac DeVille, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work.

Advance Auto Parts has 4 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Buick Century Ported Vacuum Switch products start from as little as $26.99. When it comes to your Buick Century, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with.

ACDelco Professional Ported Vacuum Switch is an ideal high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket switch is manufactured to meet or exceed your expectations for fit, form, and function. Product information Technical Details. Web. Web. Dual CTO Valve - The Coolant Temp Override valve is a switch for both the EGR and the Evap charcoal cannister. At the proper time, the CTO permits ported vac from the carb to pass through the CTO valve. Of the 3 ports facing closest to the radiator, the port at the bottom of the CTO valve (near the threads into the engine block ) should be. Oct 15, 2022 · The ported vacuum switch n a 1970 by-passed the retard timing solenoid and gave full vacuum to distributor actuator to advance engine speed for improved cooling at idle if engine temp surpassed 220'F. In 1968 this similar switch had a different purpose. However in all cases it was temperature activated.. Dual CTO Valve - The Coolant Temp Override valve is a switch for both the EGR and the Evap charcoal cannister. At the proper time, the CTO permits ported vac from the carb to pass through the CTO valve. Of the 3 ports facing closest to the radiator, the port at the bottom of the CTO valve (near the threads into the engine block ) should be.

Ported Vacuum Switch Founded in 1919, Standard® is an indisputable leader in engine management products. With many years of experience in the automotive industry, the company designs, engineers and manufactures over 40,000 of high-quality automotive parts, including ignition coils, cam/crank sensors, diesel injectors, VVT components, MAF.

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vacuum hose to the vacuum switch and then connect the hose to a ported manifold vacuum source. Ported manifold vacuum will come from in front of the throttle blade(s) and will only have vacuum when the throttle is opened. C. Move to the inside of the vehicle and install the provided brake switch at the brake pedal. NOTE: If you are using a .... Web. Web. Web.

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Web. The vacuum flowed through the switch to a vacuum solenoid (such as a heat riser, used to restrict exhaust allowing the engine to heat up faster). When the coolant heated to operating temperature the vacuum switch closed off the port (port S on the vacuum switch) turning off the vacuum to the heat riser.

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Apr 30, 2022 · So I was wrong, I found the below links with further digging, looks like 3 port helps to set vacuum advance with the engine either hot or cold. The 2 port can be used as part of the EGR circuit so JEEPFELLER has the right path and follow the TSM vacuum diagram for your year to see what you should or shouldn't do, and it may not be an emission component that you can just delete..

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Web. Dec 07, 2010 · Figure 1: Shows the system state after engine start (and vacuum has accumulated) with headlight switch “OFF” and Manual Override “Pull Down” Switch in the “UP” position. Note that in the relays, vacuum “pulls” the diaphragms and "Dog Bone" valves upward against the springs. This action ports vacuum from the tank to the rear of each actuator..

Web. vacuum, and it should continue to hold steady or at least very nearly steady when you cease pumping. 2. Engine running. Before starting the engine, disconnect both yellow-striped hoses from the vacuum tank and plug one of those tank ports. At-tach a vacuum gauge to the other tank port. On the double-ported side of. Standard Motor Ported Vacuum Switches PVS71. ( 2 ) Part Number: SMP-PVS71. $20.99. Standard Motor Ported Vacuum Switches.. I've learned some things since realizing that I have underutilized economy available to me because the monkey that got under the hood tore stuff to pieces un....

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1987chevrolet elcamino 305, not California, vacume hose routing. I need EVERY hose, Not just a copy of the diagram on the fan shroud. Show where every port on the carb goes as well as where the hard p read more. Web. Web.

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212-598 Ported Vacuum Switch - Direct Fit. Part No: AC212598 ( Review) $26.49. Featured Models. Chevrolet Impala Ported Vacuum Switch. Chevrolet Malibu Ported Vacuum Switch. Chevrolet Silverado 1500 Ported Vacuum Switch. Chevrolet Silverado 2500 HD Ported Vacuum Switch. THERMAL VACUUM VALVES (TVV) PORTED VACUUM SWITCHES WHAT THEY DO Temperature-sensitive devices which control various vacuum actuated components. FAILURE SYMPTOMS Poor performance and economy. Surging, chugging and engine knock. MAINTENANCE/SERVICE Inspect for damage every 6,000 to 8,000 miles. Check for cracked or broken vacuum ports. Ported Vacuum Switch, Jeep, AMC, Buick, Chevy, Pontiac, GMC, Each. Part Number: SMP-PVS71. 5.0 out of 5 stars. Estimated Ship Date: Monday 11/21/2022. $20.99. Estimated Ship Date: Monday 11/21/2022. Standard Motor Ported Vacuum Switches PVS20. Standard Motor Ported Vacuum Switches PVS20. New thermostatic vacuum switch for various 68, 69, 70 and 71 Firebird models with ported vacuum emissions system. This switch opens and closes vacuum ports at specific coolant temperatures to control the distributor's vacuum advance and retard systems and controls the vacuum operated shift modulator on some automatic transmission models.. Web. Web. Web.

Oct 15, 2022 · The ported vacuum switch n a 1970 by-passed the retard timing solenoid and gave full vacuum to distributor actuator to advance engine speed for improved cooling at idle if engine temp surpassed 220'F. In 1968 this similar switch had a different purpose. However in all cases it was temperature activated..

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Check Valves, Vacuum Product Line: Standard Motor Ported Vacuum Switches Summit Racing Part Number: SMP-PVS20 UPC: 091769021467 Fitting Attachment 1: Male threads Fitting Attachment 2: Hose barb Quantity: Sold individually. Notes: Yellow with 3 ports. Standard Motor Ported Vacuum Switches. Jun 28, 2013 · You are dead wrong about the function of the Distributor Vacuum Control Valve. It has nothing to do with emissions. When the bulb on the valve senses 220°F, it switches the ported vacuum to manifold vacuum. This advances the timing, which speeds up the idle. Speeding up the idle increases fan speed and water pump circulation, cooling the engine.. I drew up a diagram based on everything I had on hand. It uses a blue ported vacuum switch (fully switched at 95°F). It doesn't have the vacuum circuit for overheating. I learned that requires a red ported vacuum switch (open at 235°F) with three ports to switch between ported vacuum and manifold vacuum.

Standard Motor Ported Vacuum Switches PVS71. ( 2 ) Part Number: SMP-PVS71. $20.99. Standard Motor Ported Vacuum Switches..

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Advance Auto Parts has 4 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Buick Century Ported Vacuum Switch products start from as little as $26.99. When it comes to your Buick Century, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with. Web. Web.

Ported Vacuum Switch Founded in 1919, Standard® is an indisputable leader in engine management products. With many years of experience in the automotive industry, the company designs, engineers and manufactures over 40,000 of high-quality automotive parts, including ignition coils, cam/crank sensors, diesel injectors, VVT components, MAF.

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Oct 15, 2022 · The ported vacuum switch n a 1970 by-passed the retard timing solenoid and gave full vacuum to distributor actuator to advance engine speed for improved cooling at idle if engine temp surpassed 220'F. In 1968 this similar switch had a different purpose. However in all cases it was temperature activated.. Mount the low-vac switch on the firewall beside the master cylinder, right by the plastic sleeve with all the vacuum hoses going through it. Then connect to the new single-pin connector at the transmission (arrow, photo C). For vacuum going to the low-vacuum switch you will need to use a manifold vacuum source. Ported vacuum switch. Since my engine build-up I still have some heat problems with hot weather and long idling or in traffic jam/slow moving traffic. Engine is a 408 with 10.5:1 CR flat top pistons, 2V open chamber heads, headers, electric fan, recurved duraspark dizzy with 10 deg. ignition advance and a 180° F thermostat. Web. Dec 07, 2010 · Figure 1: Shows the system state after engine start (and vacuum has accumulated) with headlight switch “OFF” and Manual Override “Pull Down” Switch in the “UP” position. Note that in the relays, vacuum “pulls” the diaphragms and "Dog Bone" valves upward against the springs. This action ports vacuum from the tank to the rear of each actuator.. Web. Oct 15, 2022 · The ported vacuum switch n a 1970 by-passed the retard timing solenoid and gave full vacuum to distributor actuator to advance engine speed for improved cooling at idle if engine temp surpassed 220'F. In 1968 this similar switch had a different purpose. However in all cases it was temperature activated.. Web.

New thermostatic vacuum switch for various 68, 69, 70 and 71 Firebird models with ported vacuum emissions system. This switch opens and closes vacuum ports at specific coolant temperatures to control the distributor's vacuum advance and retard systems and controls the vacuum operated shift modulator on some automatic transmission models.

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Vacuum Port Headlight Switch Manual Override "Pull Down" Switch Check Valve Filter Vacuum Tank Actuator Actuator ... 17, 2011: Changed reference to the vacuum hose connection diagram on the Corvette-101.com web site to reflect that the diagram posted there has been corrected. It is now the same as shown on page 10 of this document.

Sep 19, 2015 · Rockauto.com has them, not sure which one you'll need, though. Look up your year, make model and engine, then go to Electrical-Switch & Relay > Ported Vacuum Switch. It looks like those switches control vacuum for the EFE valve in the passenger side exhaust manifold and the vacuum advance in the distributor (according to the diagram below)?. $26.21 (6 new offers) Standard Motor Products PVS71 Ported Vacuum Switch (4.2)23 $2495 Only 13 left in stock (more on the way). ACDelco Professional 212-582 EGR Thermal Ported Vacuum Switch (4.2)12 $2854$30.29 FREE delivery Tue, Nov 22 Only 13 left in stock - order soon. More Buying Choices $26.71 (7 new offers).

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Throttle Valve Solenoid (aka Solepot, Dashpot) OR Temperature Vacuum Switch: TVV: Thermal Vacuum Valve OR Thermostatic Vacuum Valve (aka Ported Vacuum Switches; Thermal Vacuum Valve) VAC: Vacuum: VCKV: Vacuum Check Valve: VCV: Vacuum Control Valve: VDV: Vacuum Delay Valve: V CK V or VCV: Vacuum Check Valve: VOTM: Vacuum Operated Throttle ....

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11 years ago
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Here is a simple test to see if your switch is working or leaking. This original GM part # of the switch is 5638487 and it mounts adjacent to the right side ....

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11 years ago
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Re: Nutter Bypass and Vacuum Lines. Maybe this one will do. It indicates the use of the "E" ported nipple for the EGR...via the CTO and then the Thermal Vacuum Switch. Then it is showing the use of the "S" ported nipple controlling the (non-bleed)canister purge signal...and manifold vacuum as the cold run source for spark advance, then after. Standard Ignition Ported Vacuum Switch Part #: PVS1 Line: STD ☆☆☆☆☆ (0) Select a store to see pricing & availability Number Of Hose Connectors: 3 Compare Standard Ignition Ported Vacuum Switch Part #: PVS102 Line: STD ☆☆☆☆☆ (0) Select a store to see pricing & availability Number Of Hose Connectors: 2 Compare Standard Ignition Ported Vacuum Switch. Web. Web. Advance Auto Parts has 1 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Cadillac DeVille Ported Vacuum Switch products start from as little as $31.99. When it comes to your Cadillac DeVille, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work. I've learned some things since realizing that I have underutilized economy available to me because the monkey that got under the hood tore stuff to pieces un.

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Ported Vacuum Switch by Standard®. Without Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of distribution while. Catalog Information Video Specifications: Color: Black Temperature: 94-96°. Web. Standard Motor Ported Vacuum Switches PVS71. ( 2 ) Part Number: SMP-PVS71. $20.99. Standard Motor Ported Vacuum Switches.. Web. Web.

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Oct 15, 2022 · The ported vacuum switch n a 1970 by-passed the retard timing solenoid and gave full vacuum to distributor actuator to advance engine speed for improved cooling at idle if engine temp surpassed 220'F. In 1968 this similar switch had a different purpose. However in all cases it was temperature activated..

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It really does no harm other than it's ugly and takes up space... it injects mildly compressed air into the manifold to assist in the full combustion of left over gasses, thus reducing the carbon monoxide output. It does not take a lot of power to turn the compressor. It will run fine without it, though. Logged. Web.

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Advance Auto Parts has 1 different Ported Vacuum Switch for your vehicle, ready for shipping or in-store pick up. The best part is, our Cadillac DeVille Ported Vacuum Switch products start from as little as $31.99. When it comes to your Cadillac DeVille, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work. Ported Vacuum Switch by Standard®. Without Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all channels of distribution while. Catalog Information Video Specifications: Color: Black Temperature: 94-96°.

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10 years ago
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$26.21 (6 new offers) Standard Motor Products PVS71 Ported Vacuum Switch (4.2)23 $2495 Only 13 left in stock (more on the way). ACDelco Professional 212-582 EGR Thermal Ported Vacuum Switch (4.2)12 $2854$30.29 FREE delivery Tue, Nov 22 Only 13 left in stock - order soon. More Buying Choices $26.71 (7 new offers). The port closest to the Block is the Manifold Vacuum port to the carby, the next is the Speed Control, and the outer one, to the Distributor. This way, the Distributor can only receive Vacuum when the engine is warm enough, and the electrically operated Speed Control only supplies Ported Vacuum until that time. Bruce. '72 Eldorado Convertible (LHD). 1 - 24 of 74 results for Ported Vacuum Switch Compare Refine. All Pick Up in Store Ship to Home Sort By: Compare. Standard Ignition Ported Vacuum Switch . Part #: PVS1 Line: STD. Select a store to see pricing & availability Number Of Hose Connectors: 3. Compare.

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Web. Duralast Ported Vacuum Switch E903 Part # E903 SKU # 3255 Limited-Lifetime Warranty Check if this fits your Jeep CJ7 $3699 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery Est. Delivery Oct. 26 Add TO CART Duralast Ported Vacuum Switch E901 Part # E901 SKU # 3036 Limited-Lifetime Warranty.

Web. Web. Web. Check Valves, Vacuum Product Line: Standard Motor Ported Vacuum Switches Summit Racing Part Number: SMP-PVS20 UPC: 091769021467 Fitting Attachment 1: Male threads Fitting Attachment 2: Hose barb Quantity: Sold individually. Notes: Yellow with 3 ports. Standard Motor Ported Vacuum Switches.

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Jun 28, 2013 · You are dead wrong about the function of the Distributor Vacuum Control Valve. It has nothing to do with emissions. When the bulb on the valve senses 220°F, it switches the ported vacuum to manifold vacuum. This advances the timing, which speeds up the idle. Speeding up the idle increases fan speed and water pump circulation, cooling the engine.. Web. Jun 28, 2013 · You are dead wrong about the function of the Distributor Vacuum Control Valve. It has nothing to do with emissions. When the bulb on the valve senses 220°F, it switches the ported vacuum to manifold vacuum. This advances the timing, which speeds up the idle. Speeding up the idle increases fan speed and water pump circulation, cooling the engine.. Web.

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PORTED VACUUM SWITCH Chevrolet C10 C20 C30 G10 G20 G30 K10 K20 K30 GMC 1980-1986: Price: $ 74.99 Feedback: 99.10%, 1327 sales Ask seller a question: Shipping: US-Mainland: $9.99 (more destinations) Sales Tax: New York: 8.63%. Web.

This solenoid has a second hose that goes to the water valve on the heater hoses. When the a/c panel temperature dial is set to the “max†detent, the solenoid is energized, applying vacuum to the water valve and closing it. This shuts off coolant flow to the heater core, supposedly maximizing a/c performance. Sent from my iPhone using.

Vacuum Switch - 3 Port $ 35.00 3 Port Vacuum Switch Mounts on Intake Manifold This is similar to the Factory one but slightly different in appearance If you're building a Concours Car you'll want to locate an Original Switch for judging purposes This is as close to OE as we have on today's market.

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9 years ago
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Re: 304 V8 fuel and vac lines underhood. First photo: The CTO that is in your thermo housing needs to move to a thread port on the intake manifold. The temp probe will go in its place. Second photo: The CTO valves can be interchanged, a CTO is a CTO other than the barb/nipple size.

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8 years ago
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This is a clearer diagram of the vacuum lines. Follow the line from the distributor back to the switch and you will find it connected to the center of the inboard switch. The diagram indicates a gray switch which matches my '85. The switches on yours may have been swapped.

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7 years ago
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Mar 07, 2005 · This device is a heat-sensitive switch that remains closed until the engine's coolant reaches a certain temperature. The PVS screws into the intake manifold, thermostat housing or engine so the heat-sensing element is in contact with the engine's coolant. Inside the switch is a wax plug that pushes a sliding plunger to uncover or block vacuum .... Mar 29, 2018 · This permits the opening of the evap cann "purge main port", allowing vacuum from the carb (manifold vacuum). The third outer CTO port is teed into the CTO port which is on opposite side of CTO (2 port side) and closest to engine block. Together, the conjoined hoses lead back to the air cleaner thermo vacuum switch TVS.. Washington. Feb 25, 2010. #4. All the manufactures hung retrofit gear on the earlier tech engines until they were forced to develop fuel injection "or steal it from boesch". The basic needs under there are PCV, vaccum advance, vaccum to modulator at trans, brake booster, vaccum to reservour for a/c or heater controls.

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1 year ago
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Ported Vacuum Switch Founded in 1919, Standard® is an indisputable leader in engine management products. With many years of experience in the automotive industry, the company designs, engineers and manufactures over 40,000 of high-quality automotive parts, including ignition coils, cam/crank sensors, diesel injectors, VVT components, MAF ....

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