What size jet should I run?
Moderators: Ranchero50, DuckRyder
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mulletmobile
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What size jet should I run?
Basic question, got a rebuilt carb from a friend and going to rebuild mine. What size jet on a stock 360, low miles, at low elevation with dry climate? Yes I would like more MPG, but willing to sacrifice a couple for more get up and go with the 3/4 ton truck? Any and all suggestions will be appreciated. (I don't know what is in my carb and the rebuild my friend gave me has 1.21 Venturi with 57 jets. He built it for his 1972 390.
1971 F-250, Wimbeldon White, 360, PB, dealer add-on A/C (A.R.A. brand), 1970 coded interior (23 - Med. blue/Light blue) with 42,000 miles.
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Ranchero50
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Re: What size jet should I run?
I'd leave it alone. As long as it had what it came with it should run well. I have a large venturi 2100 on my 289 with the 390 jets and it runs well. The jets compliment the venturi size.
'70 F-350 CS Cummins 6BT 10klb truck 64k mile Bahama Blue
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mulletmobile
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Re: What size jet should I run?
Ranchero thanks for the info, I will be ordering up a new set. Can't wait to transfer this one over!
1971 F-250, Wimbeldon White, 360, PB, dealer add-on A/C (A.R.A. brand), 1970 coded interior (23 - Med. blue/Light blue) with 42,000 miles.