idle mixture
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From: southern maryland
Car: 2012 Ram express
Engine: 5.7 hemi
Transmission: auto
Axle/Gears: 3.55
idle mixture
i was setting it and i was just wondering how much vacuum i should get with a l98 with a stock cam.
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: idle mixture
Probably around 20-22" at 800RPM idle in park, or thereabouts.
Thread Starter
Supreme Member
iTrader: (4)
Joined: Aug 2004
Posts: 1,417
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From: southern maryland
Car: 2012 Ram express
Engine: 5.7 hemi
Transmission: auto
Axle/Gears: 3.55
Re: idle mixture
ok right now it stays at 15 and says late ignition timing on the gauge does late mean too much or not enough?
Supreme Member
iTrader: (1)
Joined: Jul 2004
Posts: 10,763
Likes: 4
From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: idle mixture
Late means too little timing.
I wouldn't just trust what your vacuum gauge says as far as advice, but it's a good start.
What's your timing at that point, and idle speed?
I wouldn't just trust what your vacuum gauge says as far as advice, but it's a good start.
What's your timing at that point, and idle speed?
Thread Starter
Supreme Member
iTrader: (4)
Joined: Aug 2004
Posts: 1,417
Likes: 0
From: southern maryland
Car: 2012 Ram express
Engine: 5.7 hemi
Transmission: auto
Axle/Gears: 3.55
Re: idle mixture
well back when i set the timing it was at like 1800 rpms so im sure the timing is wrong i bought a timing light today and tommarow when i go back to my work ill mess with the car.
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