Setting the Timming on a SD TPI
Joined: Mar 2004
Posts: 1,643
Likes: 50
From: Manitoba
Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Base timing is 6*
Make sure you unplug the est wire(it's on the pass fender and it is a brown wire) when you are checking and adjusting the timing.
I ran 15* initial timing but I had alot of mods for a 305.
Start with 6* and go from there.
Do you have any mods?
Idle I think is 750rpm in drive.
Make sure you unplug the est wire(it's on the pass fender and it is a brown wire) when you are checking and adjusting the timing.
I ran 15* initial timing but I had alot of mods for a 305.
Start with 6* and go from there.
Do you have any mods?
Idle I think is 750rpm in drive.
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