hsr help
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Joined: Apr 2008
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hsr help
Just installed a HSR.The engine runs like crap.i checked timing tps and for vac leaks.I was thinking since the EGR is gone do i need to program the ecm for this setup. maybe this is the reasone for it running the way it does? hard to start when cold have a surge at idle also have a very little stumble off idle as well.
Joined: Apr 2005
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
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