Best plugs to run on a stock 89 l98
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Joined: Mar 2016
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From: Jackson, New Jersey
Car: 1989 Trans Am GTA
Engine: 5.7L 350 TPI (Deleted Cats)
Transmission: 700r4
Axle/Gears: Original 3.27
Best plugs to run on a stock 89 l98
Need to do plugs and wires on my stock l98 trans am gta, just curious as to what everybody runs in their cars. Im leaning towards Acdelco.
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From: Temecula, CA
Car: 1989 Pontiac Formula 350
Engine: L98
Transmission: 700R4
Axle/Gears: BorgWarner 3.27 Posi
Re: Best plugs to run on a stock 89 l98
ACDelco R45TS plugs are fine. They're copper, so 20k life.
I'm going to try ACDelco 2 Professional RAPIDFIRE next just to try to get some extra mileage out of them (platinum).
Won't hurt to run delco wires, unless you want to get some fancy pantsy ones from summit or something.
I'm going to try ACDelco 2 Professional RAPIDFIRE next just to try to get some extra mileage out of them (platinum).
Won't hurt to run delco wires, unless you want to get some fancy pantsy ones from summit or something.
Joined: Oct 2001
Posts: 12,221
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Best plugs to run on a stock 89 l98
Always ran delco w no issues and have been on a NGK kick lately.
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iTrader: (1)
Joined: May 2015
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From: Temecula, CA
Car: 1989 Pontiac Formula 350
Engine: L98
Transmission: 700R4
Axle/Gears: BorgWarner 3.27 Posi
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