ProComp/Speedmaster aluminum heads

318willrun said

1.92 valves for the record...LOL. Tell you what we can do. Get a ET slip with your clutch tamer. Bolt your heads on and see the difference. I'll do the exact same, and we'll see whose ET drops the most - mine or yours. That would be a fun thread "J pan's heads vs 318WR heads" Biggest difference wins!

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Here's or maybe I can get somebody to step into this conversation with a little bit of reality for 318 has valves that will fly...?
Once you start getting a 3000 lb approximately brick going down a straight away the difference between getting a car to go from 15 seconds down to 13 seconds is 10 times easier than trying to get a car to go from 12 seconds down to 10....
CAN I GET SOME HELP HERE..??