427 SBF

Steve439 said:
I just looked at my BBC Air-Gap.

The notch is 3/8" deep and it's more radiused than my RPM and the sides are radiused too.
The radius is pretty much a perfect half circle.
As I said above, the RPM is 9/16" deep

The Air-Gap is more than ten years newer than the RPM so they may have updated their ideas.

I think you have your answer.
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Thanks for looking into that! Going with the 3/8 notch
 
89 Fox 427 said:
Talking out loud, it just struck me.. the design of this will pull from a different plane with each stroke. Alternating one plane to the other with the firing order 1-3-7-2-6-5-4-8

Which is the proper firing order for you Cleveland and LS guys (we don't even talk about Mopar)
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Well, I'd imagine the ls is the same as the Cleveland and windsor but with #1 on the wrong side
 
427 is a magical number.
It's almost impossible to build one that doesn't

1) Idle like a pro stock
2) Clean up at 2000RPM
3) Make such a middle RPM rush that you think you're going to crash.
4) Make such a top end rush that you see Jesus at 1320.
 
It's funny that we think of a 427 as a small block. It just happened to be one of the best engines GM ever made, yet it was a BBC back in the day. People say you can't put a 365cc runner on a small block 427, but it's just fine to do on a BBC? Same engine size!

Their "other" 427 was an awesome engine. That SBC really kicked ass. :)
 
Steve439 said:
427 is a magical number.
It's almost impossible to build one that doesn't

1) Idle like a pro stock
2) Clean up at 2000RPM
3) Make such a middle RPM rush that you think you're going to crash.
4) Make such a top end rush that you see Jesus at 1320.
Click to expand...
Yeah a 427 Big Block Chevy!
 
Mike Beck said:
It's funny that we think of a 427 as a small block. It just happened to be one of the best engines GM ever made, yet it was a BBC back in the day. People say you can't put a 365cc runner on a small block 427, but it's just fine to do on a BBC? Same engine size!

Their "other" 427 was an awesome engine. That SBC really kicked ass. :)
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I almost went with their 460 sbf.

The only reason I didn't was because I didn't want to buy different heads and cam.

Now look at me. Mother fucks
 
89 Fox 427 said:
I almost went with their 460 sbf.

The only reason I didn't was because I didn't want to buy different heads and cam.

Now look at me. Mother fucks
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I am a humble guy, so not bragging by any means, but I spank big blocks and LS’s every time I’m at the track. Cleveland guys usually run away. 😂
 
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