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Old 09-08-2018, 05:37 PM   #27
Boog
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Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,028
Re: 350 Heating Up at Stops

I agree with bumping the base timing up some. Then reduce idle speed and readjust carb. Use manifold vacuum for the dist too. This should help to reduce engine temp and actually make the truck more responsive as well and use less gas too. Reducing idle speed will lower the trans fluid temp thereby reducing the heat load on the radiator.
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Boog
69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver
primer is finer
91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said.

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