Im running ac delco rapid fires with msd super conductor wires and 47 psi fuel preasure, if that matters. There set at .45 Thanks

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85 Z/28
Mods: Flowmaster 80 ,Cam: 443 465 214 224 112,Comp Cams 981 springs& Retainers,Hypertech stage 2 chip, MSD 8.5 Super Conductors,Hypertech AFPR,F*rd 19# injectors,Ported plenum, K&N filters. And much more to come.

Factory is .35 but .45 is fine. With a better ignition system you want to make the gap bigger to help propagate the spark better.

yooo blade wasssuuppppp? The rapid fire's are pre-gapped to GM specs aren't they?

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89 GTA 350 TPI(L-98)Fiberglass "Daytona Turbo" hood K&N filter air foil Stage 2 Fastchip B&M Stage 2 shift kit Flowtech shorty headers SLP 3'' exhaust Cams HI-6S igntion with PS-91 coil MacEwen white gauges overlay's SLP rear sway bar Koni's all around and one kick *** stereo!

Rice....it's whats for dinner
You can see a pic of it by going here:
http://www.hometown.aol.com/clarkemustgonow

oops sorry blade i don't know you...there are 2 of ya's on here(i think)

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89 GTA 350 TPI(L-98)Fiberglass "Daytona Turbo" hood K&N filter air foil Stage 2 Fastchip B&M Stage 2 shift kit Flowtech shorty headers SLP 3'' exhaust Cams HI-6S igntion with PS-91 coil MacEwen white gauges overlay's SLP rear sway bar Koni's all around and one kick *** stereo!

Rice....it's whats for dinner
You can see a pic of it by going here:
http://www.hometown.aol.com/clarkemustgonow