RE: big block head choice

[John Mullins <johnedod@xxxxxxxxxxxx>]

Sean B wrote:
> 
> Sorry, I should have clarified.  The car it came out of had a blown 
> transmission, so it "runs like a dream" standing still.  Meaning, super 
> smooth, no ticks or knocks, no smoke of any kind, etc.  I am a bit 
> concerned that in my car, with a load on it, it will ping or knock with 
> its 10.10 to 1 (supposed) compression rating.  Yes, it has 516 heads.
> 
> Thanks,
> 
> Sean
> 
> 
> The 65 Sport Fury 383 I had ran fine on regular unleaded, it had 516s 
> still with the steel shim gaskets (never been into best I could tell.) 
> Although it was just rated at 9.2 to 1 comp. From what I've read there 
> was almost always more "meat" in the head which made the chamber volume 
> larger than advertised, so actual comp ratio was probably a little lower 
> than advertised. I think I'd try it first before I changed anything. 
> Just my $.02. 


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