Just had engine rebuilt rough idle and running lean
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Junior Member
Joined: Apr 2010
Posts: 71
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Car: 1989 IROC-Z
Engine: 350
Just had engine rebuilt rough idle and running lean
1989 350 tip yup just had the engine block swapped and my mechanic can’t get it right it’s running rough and lean…….it runs fine till the temp comes up the the idle goes away…thighs?
Supreme Member
Joined: Feb 2021
Posts: 1,207
Likes: 448
From: WA
Car: 1989 IROC-Z
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: BW 9 Bolt / 2.77 Posi
Re: Just had engine rebuilt rough idle and running lean
It's probably not thighs. I'd recommend getting a datalog of what's going on for starters, also check for vacuum leaks and fuel pressure. Is it throwing any codes?
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Zerocyde
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May 19, 2011 06:31 AM