Thermoquads aren't really dreaded. Certainly not any worse than the Holleys. I prefer the Carter however which is a bolt in replacement for the spread bore Thermoquad. kerryp --- "A. Foster" <monkeypuzzle1@xxxxxxx> wrote: > Hello all; > Speaking of 1975 Imperials I have found one locally > sitting in a driveway. > Its a metallic brown LeBaron with white leather > seats and rather well > equiped. Other then the fact it has a 440 with the > 727 torqueflite behind it > I don't know much about these cars. Does it have one > of the dreaded > thermoquad carburettors? Does it have an air pump > and E.G.R system? Is it > worth eliminating either of these for the sake of > fuel economy, more power, > or reliability? Is it worth adding duel exhausts or > a different intake for > the same reasons? > The reason that I ask this is that most of the > E.G.R systems that I have > seen no longer function and the air pump, much like > any other excessory, > must be robbing power from the engine needlessly. I > can't see what purpose > it would serve, if I owned this car, to continue > wasting power and fuel on > smog equiptment that no longer funtions. From what I > have heard this stuff, > much like the lean burn, never worked that well when > it was new. > Best Regards > Arran Foster > 1954 Imperial Newport > Needing A Left Side Taillight Bezel and other trim > parts. > > >