Marcus18 Posted November 2, 2003 Report Share Posted November 2, 2003 in a magazine theres a ad for PAW in there ad they list forged pistons for a 173(2.8) v6 will these parts work on my 3.1 turbo? marcus Quote Link to comment Share on other sites More sharing options...
L67wanaB Posted November 2, 2003 Report Share Posted November 2, 2003 I would say roger Houston. I believe the only difference between a 2.8 and a 3.1 is the stroke. Both (I think) use an 88.9mm bore. I'm saying it will fit... I'm not saying it's safe. Remember your compression. 2.8/3.1 (NA) compression 8:9:1 LG5 (3.1 turbo) compression 8:8:1 I'm not an induction guru, so I honestly can't say one way or another. Quote Link to comment Share on other sites More sharing options...
slick Posted November 3, 2003 Report Share Posted November 3, 2003 Whats the bore size on the 3100? Quote Link to comment Share on other sites More sharing options...
99RegalGS Posted November 3, 2003 Report Share Posted November 3, 2003 My chiltons book says the 3100 is 3.5" same as the 3.1 and 2.8 Quote Link to comment Share on other sites More sharing options...
Robby1870 Posted November 3, 2003 Report Share Posted November 3, 2003 Whats the bore size on the 3100? To be more exact, 89mm Quote Link to comment Share on other sites More sharing options...
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