Chevy firing order
Anyone found any significant gains on performance by making the 4/7 change? Just wondering if it is worth the time and effort.
My combo is the 255/280. Bobby Lundholm 1969 Nova 9516 G/SA |
Bobby ,I talked to Chris at comp cams and was told ,no gain anywhere.This deal is for HI HP motors..He has always been honest to all my questions and has provided me with good products...Hope this helps,,..
dannyw |
It will make the engine much smoother thru the entire operating range, idle on up. At least that's been my limited experience. If you follow the principle that smoother is better, then do it.
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Bobby, call me on this.
Painter |
Couldn't it help an exhaust port, the 4/7 swap say on a Oval Port BBC head
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