Timing for a stock l98 tpi ?
Thread Starter
Junior Member
Joined: Feb 2006
Posts: 17
Likes: 0
From: NEPA
Car: '87 Camaro irocz
Engine: 5.7 TPI
Transmission: 700r4
Axle/Gears: 3.27 limited-slip
Timing for a stock l98 tpi ?
what is the factory setting and what does everyone suggest? its a totally stock 5.7 tpi.
also, i get SES light and its really hard to start unless i play with the timing that clears up but i do not know where it SHOULD be.
thank you
also, i get SES light and its really hard to start unless i play with the timing that clears up but i do not know where it SHOULD be.
thank you
Member
Joined: Jul 1999
Posts: 304
Likes: 0
From: Woodlands, MB, Canada
Car: 1990 GTA
Engine: 5.7
Transmission: 4L60
Axle/Gears: 3.27 Posi
Re: Timing for a stock l98 tpi ?
The factory base timing is 6 degrees. Make sure you disconnect the 'Set Timing Connector' when setting the base timing.
Some people advance the base timing to 8 degrees, but it's questionable whether there is an advantage to this or not...
Advancing the timing can introduce knock. When the knock sensor detects this, it will retard the timing to compensate and you're back to square one. You really need a scan tool to read the knock counts to see if advancing the base timing over degrees is doing anything.
Some people advance the base timing to 8 degrees, but it's questionable whether there is an advantage to this or not...
Advancing the timing can introduce knock. When the knock sensor detects this, it will retard the timing to compensate and you're back to square one. You really need a scan tool to read the knock counts to see if advancing the base timing over degrees is doing anything.
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