Michele Posted November 6, 2009 Report Share Posted November 6, 2009 I have a 1996 Cutlass Supreme with the 3.1L in her. I had also found 2 supercharged 3.8's and a few non-supercharged 3.8s here in town in a salvage yard with OE headers. Will those headers fit my Cutty? I liked the way they look and really want to get headers like these for my Cutty since I have opened the intake up a bit. Thank you all! ~Michele~ Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted November 6, 2009 Report Share Posted November 6, 2009 Exhaust manifolds from a 3800 will not fit a 3100 Quote Link to comment Share on other sites More sharing options...
kuntzie Posted November 7, 2009 Report Share Posted November 7, 2009 ^ aboove is true Quote Link to comment Share on other sites More sharing options...
Michele Posted November 9, 2009 Author Report Share Posted November 9, 2009 Thanks for leting me know. SO anyways... can I find or get some headers to fit my car? I don't like the look of the logs it has now. I need something new for the winter car shows! Quote Link to comment Share on other sites More sharing options...
slick Posted November 9, 2009 Report Share Posted November 9, 2009 You can have a shop make some. Quote Link to comment Share on other sites More sharing options...
Andrew Posted November 10, 2009 Report Share Posted November 10, 2009 there are no headers for the 3100. You will have to go custom. and no such OE headers exist on a 3800. Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted November 10, 2009 Report Share Posted November 10, 2009 there are some header-type manifolds on certain 3500s IIRC, those will bolt in place, but from the downpipe back needs to be adapted/replaced... Quote Link to comment Share on other sites More sharing options...
SigEpCutlass Posted November 10, 2009 Report Share Posted November 10, 2009 The 3800 is a 90 degree V6, and the 3100 is a 60 degree V6, so no they are completely different engines. I think that Milzy Motorsports used to make headers for the 3100, but they were expensive. I don't know if they make them anymore. Quote Link to comment Share on other sites More sharing options...
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