Posted by gtk on Monday, December 23, 2002 at 12:59PM :
In Reply to: Fuel posted by Dave on Monday, December 23, 2002 at 9:30AM :
Chrysler used hardened exhaust valve seats since at least the late 30's. No problem with unleaded.
Follow Ups: I think there was a small window 60's-70's ? - casebro 1:30PM 12/23/2002
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