Hi! New 98' Z28 m6 owner from chicago
04-26-2010, 12:36 AM
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Hi! New 98' Z28 m6 owner from chicago Hi guys, I just picked up a low mileage '98 Z28 m6 with 88,000 miles for an incredible $5,500. It is red w/ the egr mod and throttle body bypass done, new exhaust and this thing is beautiful. Now I've heard a few bad things about the '98 ls1's. Is there anything that I can do to help the issue any? I've already began researching the ls6 intake, but what about heads from a later year? Don't they have better valve covers and springs? Thanks for any help in advance. -Rich
05-21-2010, 08:33 PM
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if you go to any after market heads you will need the newer valve covers the 98s aren't that bad my 98 head cam intake car went 10.8s 11.1s all day long and got 23mpg so enjoy your new ride
05-21-2010, 09:02 PM
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What bad things have you heard about the 98s compared to all the other years the LS1 was made? I knew about the intake and the valve covers but thats a pretty easy and quick fix.