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Joined: Feb 2005
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From: Bonham TX
Car: 87 & 89 Iroc's
Engine: 5.0 - 5.7
Transmission: 700R's
Axle/Gears: 2.77 - 3.70
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O2 fluctuates wildly from 250-800. Lean at idle rich over 2000.
At idle spark advance fluctuates from 25-27.
Is this normal?
At idle spark advance fluctuates from 25-27.
Is this normal?
Joined: Jan 2005
Posts: 10,425
Likes: 497
From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Originally Posted by NoItsNotForSale
O2 fluctuates wildly from 250-800. Lean at idle rich over 2000.
At idle spark advance fluctuates from 25-27.
Is this normal?
At idle spark advance fluctuates from 25-27.
Is this normal?
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