jensenracing77

Are the front inner fenders on a 63 Buick Special the same as 62 Cutlass? What about the rear end and the CV part of the drive shaft? Floor pans? I located a 63 4 door Special with 20,000 miles that is rust free. Low optioned but still has some nice parts on it. Missing the engine, They bought the car just for the 215 engine.

1970-W30

I believe but not 100% sure that the 62s have the brace from the firewall to the inner fender and the 63s don't. CV joint assembly will interchange as will the differentials, though the Buicks offered more ratios. Letter codes on the Buick differentials; A= 3.08 B=3.23 C=3.36 D=2.78 F=3.90 and G=4.30 to 1 ratio!

jensenracing77

Thanks for the reply. I had no idea that Buick had 3 more gear ratios. I would like to try a 3.90 in the Jetfire to see how it would do.

Joshua Loiacano

did you happen to figure out if what car interchanges floor pans for a 63 special? I’m currently working on restoring one and I cannot find floor pans anywhere. Thanks in advanced.