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Old March 23rd, 2017, 19:37
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ehall ehall is offline
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Join Date: Dec 2007
Location: Southern Maryland
Posts: 9,430
Re: Idle speed going through the ROOF on warming up : 97 XJ 4.0 HO

If its 3000 RPM I'd probably look for crack in the manifolds
my '91 beater rebuild
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