1991 TBI 305 timing?
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Joined: Apr 2009
Posts: 31
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From: Hilham,Tennessee
Car: 1991 Camaro RS
Engine: 383 procomp heads comp 280h cam
Transmission: 700R4 with monster tran. rebuild
Axle/Gears: 3.42
1991 TBI 305 timing?
ok guys i have a 1991 camaro rs with a Lo3 TBI 305 was wondering what the factory timing needs to be set at and whats the most advance the computer will allow i read 4 deg. is this true ty
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From: Adelanto, Ca/ El Paso, Tx
Car: 84 Camaro Z28
Engine: 355 Carb
Transmission: T5
Axle/Gears: 3.42
Re: 1991 TBI 305 timing?
I think the factory timing should be at 6 degrees. I am still not sure but will find out today at the haynes camaro books
Thread Starter
Junior Member
Joined: Apr 2009
Posts: 31
Likes: 0
From: Hilham,Tennessee
Car: 1991 Camaro RS
Engine: 383 procomp heads comp 280h cam
Transmission: 700R4 with monster tran. rebuild
Axle/Gears: 3.42
Re: 1991 TBI 305 timing?
well i read that its 6 deg BTDC so is this 6 deg. retarded with the EST disconected?
Senior Member
iTrader: (6)
Joined: Sep 2007
Posts: 697
Likes: 0
From: Adelanto, Ca/ El Paso, Tx
Car: 84 Camaro Z28
Engine: 355 Carb
Transmission: T5
Axle/Gears: 3.42
Re: 1991 TBI 305 timing?
Yeah I think you have to disconnect the EST connector to get the correct timing on it
Last edited by BlackMamba; Feb 19, 2010 at 10:43 AM.
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