They already had tooling for 4-valve head... (archive)
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Posted by JamesM on December 31, 2001 at 11:41:52:
In Reply to: Re: No, driving is more important... posted by Roops on December 31, 2001 at 10:22:44:
(posted from: fhcfl02.verizon.com (198.23.5.11))
for the S38/M88. Same bore centers, very similar blocks (except for 4 vs 6 cyl). That's why. The first E30 M3 engine used off the shelf parts and readily available tooling to make a 16 valve 4 cylinder.That's why they didn't use the 6-cyl M20. That and it was never a race engine to being with!
Read Seth Thomas' post. Quit speculating and open your eyes.
JamesM
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