SmoothSteve3 Posted January 24, 2004 Report Posted January 24, 2004 Hey everyone- Does anybody know if there were intake changes made on the 3.1 MPFI between 1990 and 1991? I've got a great deal on some gaskets that fit a 1991 3.1, but the guy keeps telling me that they will not fit a 1990 3.1. Is this true? Or bullshit...... Thanks! SmoothSteve Quote
Robby1870 Posted January 24, 2004 Report Posted January 24, 2004 Yeah, 90 used a paper plenum gasket and different plenum bolts. 91+ uses metal plenum gaskets with different plenum bolts. Go to Advance and ask for a set from a 90 and a 91 and compare them Quote
god910 Posted January 24, 2004 Report Posted January 24, 2004 I used the TB gasket from my TGP for my 92 Cutlass, it fit just fine. (But, it's really cheap so, unless free, I wouldn't worry about them) Quote
SmoothSteve3 Posted January 25, 2004 Author Report Posted January 25, 2004 hmmmm.......so i guess it wouldn't even be possible for me to fit a 91 gasket onto a 90 3.1? Or are they just different materials that would otherwise match up? SmoothSteve Quote
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