Thread: bog/backfire

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gasket was good but i noticed a littletrace of black stain on base plate gasket (from backfiring or leak??)but anyway couldnt find any evidence of leak from looking at intake gasket, only base plate gasket.when i put first intake(air gap knockoff) on i set it on engine(before gaskets and dry ) just to see how it fit, the front and back(where end gaskets or silicone go) had about 1/4 in gap, i did the same with the new one(perf.-eps.) and it had no gap. it fit perfectly. ill probably know more when i can work on it again and run it longer and check plugs.do you think i set valves correct? and one more STUPID QUESTION before i go , how do i raise or drop initial timing? i think you do it with the springs to weights in dist right?because my total is where i want it(may change when i get piston stop).thanks again for the help. I THINK IM HEADED IN RIGHT DIRECTION. DOESNT POP ANYMORE===YEAH YEAH!! one more thing i adjusted choke cap two notches leaner also.