PDA

View Full Version : more low end



bubbahawk
03-27-2006, 08:00 AM
I have a 62 GT Hawk 4 speed with a 3:31 TT. I want more low end perforance, will a 53 commander rear work? what is ratio for overdrive & no overdrive rear ends for this year

BeeJay
03-27-2006, 10:49 AM
'53 Commander v-8 OD std rear was 4:55. Probably too low for a 4-speed. They also had smaller brakes than later axles. Most good rear end shops should be able to change the gearing in your axle to whatever was available.
Bob

Own '53 Commander Starliner. Red w/beige top. 350 Chev/700R4. Tilt,cruise,A/C.

Roscomacaw
03-27-2006, 11:30 AM
If you just wanna zip away from stoplights, a 4.55 would certainly do that!:D But without overdrive, the trade-off's gonna be poor high end economy - and not just reduced gas mileage. There'll be the extra wear on the engine since now it'll be turning alot more RPMs at hiway speeds.
Plus, I don't know if your GT has Twin Traction, but an original '53 axle sure wouldn't have it.[B)]

Strictly technically - it would fit. You'd want to transfer your Hawk's rear brakes over - but it would fit.;)

BTW, a 3.54's a good compromise and even a 3.73 - but as I said, then you get into higher hiway RPMs. Of course, 4-speed's HAVE been fitted with an OD unit. Such a conversion isn't simple but I know there's an article about such in one of the issues of TW.:D

Miscreant at large.

1957 Transtar 1/2ton
1960 Larkvertible V8
1958 Provincial wagon
1953 Commander coupe
1957 President 2-dr
1955 President State
1951 Champion Biz cpe
1963 Daytona project FS

Dan White
03-27-2006, 12:03 PM
If you can wait a month or so I will have a 3:73 ring and pinon out of my Hawk. I am putting in a 3:31 to improve mileage a bit, and take down the RPMs.

Dan White
64 R1 GT
64 R2 GT

Mike Van Veghten
03-27-2006, 03:04 PM
Yea....a 3.73 is a good all around gear ratio...unless you're on the autobans in Europe!

bubbahawk
03-28-2006, 07:29 AM
quote:Originally posted by bubbahawk

I have a 62 GT Hawk 4 speed with a 3:31 TT. I want more low end perforance, will a 53 commander rear work? what is ratio for overdrive & no overdrive rear ends for this year


Thanks for the info everyone, the 3:73 sounds great,Dan,let me know when its available

62 GT Hawk 4 speed
57 Silver Hawk 289
53 Champion Coupe

P.S.Uzbekistan? No, I am in Greenwood,S.C.

Dan White
03-28-2006, 12:23 PM
Will Do!

Dan White
64 R1 GT
64 R2 GT