#25 Stamper #25 Posted February 8, 2010 Report Share Posted February 8, 2010 ok my 1990 grand prix with a 3.1 will not go past 3 grand when i am drivn, in park n nuetral it will go past 3 grand, but not if it is jus in drive, if i shift it from each gear it will go past, but when i stop smoke comes from underhood, has a new fuel pump and just replaced head gaskets..has good compression, good fuel pressure..thot it was a tranny problem, but i noticed since it started happening it is useing alot of coolant, n recent oil change show the used oil was a little brown in color..i have heard cracked block or cam?? what you guys think? Quote Link to comment Share on other sites More sharing options...
#25 Stamper #25 Posted February 8, 2010 Author Report Share Posted February 8, 2010 n it is not a plugged exhaust, cut the cat n muffler off Quote Link to comment Share on other sites More sharing options...
Crazy K Posted February 8, 2010 Report Share Posted February 8, 2010 got a check engine light? Quote Link to comment Share on other sites More sharing options...
Andrew Posted February 9, 2010 Report Share Posted February 9, 2010 you've got coolant in your oil if its brown like a milkshake. Stop driving it. Its likely the LIM gaskets. coolant eats bearings for breakfast. Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted February 9, 2010 Report Share Posted February 9, 2010 coolant eats bearings for breakfast. and shits snapped cams... Quote Link to comment Share on other sites More sharing options...
AL Posted February 9, 2010 Report Share Posted February 9, 2010 Phil, I guarantee its probably the cat... Im surprised you still have that on there in the first place Quote Link to comment Share on other sites More sharing options...
Andrew Posted February 9, 2010 Report Share Posted February 9, 2010 Phil, I guarantee its probably the cat... Im surprised you still have that on there in the first place he said he cut it off. Quote Link to comment Share on other sites More sharing options...
AL Posted February 9, 2010 Report Share Posted February 9, 2010 didnt see that post Quote Link to comment Share on other sites More sharing options...
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