[DeTomaso] Chevy in & out of Panteras or Engine

[JDeRyke at aol.com]

In a message dated 6/18/09 11:30:46 AM, kenn_green at yahoo.com writes:

> I assume you realize that the truely "modern" heads on the current Chevy 
> NASCAR engines look much more like Cleveland heads than either the 
> traditional SBC or the LS series engines?  At least Chevy got it right for NASCAR. 
> 
The weird thing about that is, the last few   years, Chevy's been gradually 
going toward the stagger-valve design (which they pioneered in the mid-'60s 
on BBCs) while Ford (at least in late model Yates-heads) has been moving 
towards straight-valve designs! But the most significant thing IMHO in 
LS-engines is the dropping of Chevy's paired intake & exhaust ports- a qustionable 
feature(?) in 1955! That why I say that LS-series motors have a truckload of 
Ford and hot-rodder features, so most of what you knew about SBCs is no 
longer valid. FWIW- Jderyke


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