i've got my engine apart for a rebuild and i'm wondering if there's any difference between the '76 360 timing gears that i have and any older ones. i've heard that, due to emissions, a different gear can add to performance. is this true? if so, what should i look for?
any info would be great
Put a pre-73 timing chain set in it, After 73 ford added i think it was 8 degrees of advance in the cam timing for emmisions and when you get rid of that it adds about 20HP. I did it on my 76 390 and noticed a big difference in power and how it ran, I also have a comp cam but I think you would notice a difference even in a stock application
In the early '70's the cam timing was retarded (4° I think) for emissions reasons. The teeth on the sprocket are spaced farther apart than the change in timing so just moving the chain on the sprocket won't work. BTW, I think it was just the bottom gear that changed. If you get an aftermarket set that has the 3 keyways on the bottom gear, you'll be able to set it where you want.
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