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Old 06-24-2009, 08:07 AM   #1
jay6891
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Join Date: May 2001
Location: jefferson,arkansas
Posts: 664
Re: plug gap.. hei dist.

The book that I got from Jacobs Electronics stated that the optimum gap would be .10. Hard to believe. Tried it anyways. Truck ran great. Only problem was that after about 6 to 9 months the struck would not start. Seems like the plugs would burn up. Never at home either. So I would have to change plugs and it would start right up. Went back to .075 on the gap and have never had a problem since.
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68 c-10,91 sportside bed,350 .030 over,4 bolt,10-1 comp,2.05 intake/1.94 exhaust,1.6 Harland Sharp roller rockers,edelbrock rpm cam and intake w/750 carb, 700r4, 3.73 gears,Jacabbs Electronic Igntion w/Accel HEI distributer and super coil. ZR-1 roll pan, filled tailights. Blazer tank. Hidden hitch. 2 1/2" Flowmaster 40's. Parts bought but not installed>> ford 9" posi with disc. CCP front and rear lowering kit 4/5. Cab corners,foor boards,rockers, cab braces, Phatom grill, Painless wiring kit.
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