Reverse Cooling?

Roger Heflin rah at horizon.hit.net
Tue May 4 15:16:00 GMT 1999



On Tue, 4 May 1999, Stephen Cranford wrote:

> Matt S Bower wrote:
> > 
> > GM went to it earlier than the LT1.  If you look at late 80's IROC's
> > TA's and vettes they should all be reverse flowed.  The reason as I can
> > recall was something to do with trying to control the head temps for
> > emmisions.  They were able to get around the need with the LS1 engine
> > and went back to the standard flow which I believe keeps the whole
> > system at a more uniform temp.  Bottom line still is that the gains
> > weren't high enough for anyone else to fool with it.
> > 
> 
> Try again...The L98's in the C4's and 3rd gen F-Body's weren't reverse
> flow at all.  The LT1 is GM's one and only reverse flow V8.  Reverse
> flow cooling led to cylinder temp problems that GM thought wouldn't be a
> problem and that's why the LS1 isn't reverse flow.  

What did the cylinder temp problems cause to happen?


			Roger




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