Th350 vacuum hookup. Vacuum Modulator Installation GM TH350/TH400 Transmission

Th350 vacuum hookup Rating: 7,2/10 1436 reviews

how to get vacuum for th350?

th350 vacuum hookup

It also helps with an all out assault on the line up of cars you want to get by when the blue hair at the front is only going 40 miles per hour. A small cam, aluminum intake, and headers, and you're looking at an easy 325 horsepower. Any automatic trans from Buick, Oldsmobile, Pontiac or Cadillac will bolt right up. When actuated, the transmission shifts down into 2nd gear. Using state-of-the-art tubing benders, the lines are pre-bent like the original factory lines to simplify installation.

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Is a TH350 Kickdown cable Nessasary???

th350 vacuum hookup

. I like to bend solid line and use a short hose at each connection. You could get the diesel lock-up valve setup from one behind a 6. I didn't have the harness and computer that came with the 91 to put in my 94 so I had to use a lockup harness. So, I didn't, but what I did do was talk to the guy who built my tranny. This one is adjustable which allows the user to change the shift points to what one prefers. Mine actually has one because it was built for a 6.

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WHere do you hook up the vacuum lines from the modulator on a TH400 automatic transmission?

th350 vacuum hookup

You can keep the one way valve on you power brake booster. You should get the same vacuum as the intake if you use the right port on the carb. XxWickeds10xX I do have any pictures but let me tell you how to hook it up. It has nothing specifically to do with the transmission dropping down a gear when you mash the pedal. The way I see it, if you have it use it, properly set up, its a delight to have a partial kick down at low speed with moderate throttle pressure.

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Is a TH350 Kickdown cable Nessasary???

th350 vacuum hookup

I'd just grab a T fitting and plug it in-line with any vacuum line off the manifold. Plus, you may want to reinstall it one day. Just need to know if I need to hook that thng there to dilly flop over yonder. I don't remember there being a hole in 8- but there is a threaded hole in the back. I didn't hook it up and when I get on it, it passes cars like I had it hooked up. Sounds like you used the temp sender port in the front of the manifold near the thermostat housing. Remove the bolt, lift up on the cable boot assy.

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how to get vacuum for th350?

th350 vacuum hookup

I don't understand where you put that nipple. I have an edelbrock 1406 carb with a manifold vacuum port in the middle on the rear, and in the middle on the front. I can draw you a picture if you want. Probably have to replace the modulator though. Our selection of steel and stainless steel lines from Classic Tube and Right Stuff Detailing are made to last—even in the harshest environments. Our customer support team is available 7 days a week to help you.

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WHere do you hook up the vacuum lines from the modulator on a TH400 automatic transmission?

th350 vacuum hookup

What kind of carb do you have? He said thats not good enough, need to run it to the distributer. Let me know if I can be more help. Its like running a four barrel carb with only the primaries working. Guy at the tranny shop said it needs 16in. Disconnect it properly, so your setup looks nice. As Twisted stated, you have a couple of options.


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th350 Transmission Vacuum line to intake???

th350 vacuum hookup

Power brakes should have their own take-off. Three ports two small ports and one big one like the one on you brake booster. It is a little widget that spins with the output shaft. Sorry if its a dumb question I never had to run one before. If you go to a pick a part yard, you can find a stock one, that way it will have the clip that attaches to the trans bellhousing so it won't move around. There should be sufficient vacuum from a non-ported manifold source on the carb.

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Vacuum line hookup for 700r4 lockup harness

th350 vacuum hookup

The vacuum modulator adjusts the hydraulic pressure to the governor dependent on the engine vacuum. It wont kink like trying to bend a straight piece. And that's what he did for me. I take the vacuum line of at the intake to see if there is any suck and antifreesze comes out! Start your automatic transmission vacuum line replacement now at Summit Racing! Now you connect the big one the one with the one way valve to a port on the intake manifold. I drove my 51 Merc with an Olds 350R and turbo 350 about 70 K without one including a road trip to Texas and Bonneville in 1988. A 300hp 400sbc could be built using almost 100% stock parts. V valve will plug into your carburetor on the Big port that should be on the back that all depends on the brand of carburetor.

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