Vac VS Timing
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Supreme Member
Joined: Jul 1999
Posts: 1,566
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From: Toronto, Ont
Vac VS Timing
Less Vac means a retarded timing...?
More Vac means an advanced timing...?
Or is there some sort of peak were I would ge the highest vac before it starts to fall off again. I'm pulling 20in of vac at idle. Before my distributor swap, it was like 21-22 and I had better power down low. Can I just move the distributor counterclockwise a little, start her up and check my vac reading? THanks
Steve
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89 GTA G92
305 TPI WC 5spd w/3.45
Accel Cap & 8mm Taylor's
Custom 4" Cold Air Induction
Jet Airfoil
K&N Airfilter
160 deg stat/fan switch TB Bypass - Steel Rad
Cat back 3" Exhaust w/Terminator Muff.
HiGh FlOw Dynomax Cat
Spohn LCA's - KYB GR-2's
Moroso Crank Bolt and roller pilot bearing.
Autometer Vac+Oil Temp
More Vac means an advanced timing...?
Or is there some sort of peak were I would ge the highest vac before it starts to fall off again. I'm pulling 20in of vac at idle. Before my distributor swap, it was like 21-22 and I had better power down low. Can I just move the distributor counterclockwise a little, start her up and check my vac reading? THanks
Steve
------------------
89 GTA G92
305 TPI WC 5spd w/3.45
Accel Cap & 8mm Taylor's
Custom 4" Cold Air Induction
Jet Airfoil
K&N Airfilter
160 deg stat/fan switch TB Bypass - Steel Rad
Cat back 3" Exhaust w/Terminator Muff.
HiGh FlOw Dynomax Cat
Spohn LCA's - KYB GR-2's
Moroso Crank Bolt and roller pilot bearing.
Autometer Vac+Oil Temp
TGO Supporter
Joined: Aug 1999
Posts: 14,811
Likes: 1
From: Jackson County
i have always heard the best timing is at or right before the peak vacuum.
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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