[s-cars] EM type, chip upgrades and cracked heads

[Robert Pastore]

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Dave:

Your assertion is precisely the story Hoppen gave everyone as they began
sellign rs2 upgrades.   It because accepted as gospel, and nobody ever seems
to question or challenge it.   I don't have clear evidence one way or the
other, but have seen many 1+ chipsets run hard for 10's of thousands of
miles wthout any problems.  OTOH, I have also heard stories of cracked heads
on moderately driven cars that ran stock chipsets.  I think we'd all like a
black and white answer, but the evidence I've seen suggests that there just
isn't one.



-----Original Message-----
From: Dave Forgie [mailto:forgied at direct.ca]
Sent: Saturday, July 12, 2003 2:05 AM
To: mik at info.fundp.ac.be; s-cars
Subject: [s-cars] EM type, chip upgrades and cracked heads


Mihnea and others:  When these cracked heads show up, are  there any
correlations between the EM type, the turbo, the chip set, etc.?  What I
was thinking when I asked the EM question a few days ago was, if you go
to an upgraded turbo and/or a chip set that makes 300+ hp and you DO NOT
upgrade the EM,  the probability of burning valves, e.g. 1, 3, and/or 5,
AND/OR cracking the head (e.g. around the exhaust valves or exhaust port
areas) increases dramatically.  I would like to do a litter
forensic-type "epidemiology" (sp?) on this data, if it is available.

Dave F.

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