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Old 06-20-2016, 02:02 PM   #23
chrismoore701
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Join Date: Dec 2004
Location: Highland, IN
Posts: 2,326
Re: Truck died last night

Quote:
Originally Posted by jjzepplin View Post
If you have a turbo 350 it does not have vacuum at the carb. It is supposed to be manifold vacuum at the rear of the carb there is a fitting that screws into the manifold and goes to the vacuum modulator on a th350. The modulator is sometimes adjustable to fine tune your shifting. You may have the trans connected to ported vacuum and this would be not so good.
I have a port on my intake on the back side of the carb. Right now I have the brake booster and my heater vent vacuum connected there with a tee. I can easily pull my heater vacuum off and connect my trans there and see what difference that makes. will let you know.

Thanks
Chris
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Chris
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1979 Chevy Stepside SPORT
2018 Chevy Silverado, 39 years apart
My build 2008-2016. http://m.imgur.com/a/bURrE
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