changed head gaskets on a gm 3.8 now the motor just free spins won't fire?
Feb 1, 2011 at 3:25 PM
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JDL
CAR REPAIR CONTRIBUTOR
16,098 POSTS
If cranking rpms are faster than normal, check cylinder compression. If normal crank, have helper crank while you visually check for spark at the plugs. If you have spark everywhere, use a gage and check fuel pressure. Fue--air--spark--compression, find out what your missing.