Hi All, Guess I should mention, this GT6 does have an overdrive gearbox...maybe it won't make a bit of difference then?
Todd --- On Fri, 3/27/09, [email protected] <[email protected]> wrote: > From: [email protected] <[email protected]> > Subject: Re: [Spits] Separating spring from Diff > To: [email protected] > Date: Friday, March 27, 2009, 5:50 PM > Scott wrote: > > The GT6 will have had a 3:27 ratio, the Spit will > likely be > > a 3.89, so if you swap diffs, the engine will be > revving > > quite a bit higher at highway speeds (about 20% > faster). > > All true enough. As a complication, IIRC, "they" put > a 3.89 into those GT6's which got the OD gearbox and which > were destined for North America. The rest of the > world, or at least the home market, got the 3.27 diff, OD or > not. So if Todd wants to dig up an OD gearbox he'd end > up with the same highway revs and lower non-OD geaaring, > which was the factory's intent fo "us". > > On the other hand, that's a big switch over and more > expensive. If I was going through that much trouble > and expense I'd rather have the home market's higher > gearing. The GT6 doesn't need lower gearing but lower > revs on the highway would be nice. In any case, the > Spitfire diff is moving in the wrong direction. Not > that the car will prefer to go backwards or anything. > > > I don't think you can swap the guts from the Spit into > the > > GT6 diff case as the early crownwheel carrier won't > fit the > > late model nosecase. > > Are the pumpkins interchangeable? Meaning, could he > put the GT6 rear case with its 6 stud holes onto the > Spitfire nose and guts? I would've thought so, but it > one of the zillion of so things I've never tried to > do. Of course, it would still end up with the 3.89:1 > gearing. > > Jim Muller > _______________________________________________ > > Support Team.Net http://www.team.net/donate.html > > [email protected] > http://autox.team.net/mailman/listinfo/spitfires > > http://www.team.net/archive _______________________________________________ Support Team.Net http://www.team.net/donate.html [email protected] http://autox.team.net/mailman/listinfo/spitfires http://www.team.net/archive
