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Old 09-19-2019, 09:21 PM   #36
Rose Racing
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Default Re: 1971 Torino 500 2 door hardtop

Quote:
Originally Posted by Mike Graham View Post
Don't pay any attention to anything but the blueprint spec that NHRA has. They list 2 different valve sizes for the 302 1.79 1.46 1.78 1.45. Remember you have +.005 and -.015 tolerances. If you are careful you can run the same valve in either engine. You can get a Torino to 3410 with driver. We did it.
I did not know of the tolerance rule. I cant find any 1.79 intake valves except for a 4.6 ford
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