what gear ratio
#1
Junior Member
APPRENTICE
Thread Starter
Join Date: Jun 2003
Posts: 10

i have 9'' ford large pinion bbc pro street 456 gears want to change gears to much for street use what size to use for the street 540 pump gaS WITH NOS I MAY TAKE IT TO THE TRACK, TIRE SIZE 33X21.5X15 MT,
#5

you didn;t say which trans and car type 8)
but--with an automatic 3;73 or 3;91 would be a good combo----with a clutch 3;23 or 3;50 would work good
go to high and your engine combo will SUFFER TERRIBLY
ops:
but--with an automatic 3;73 or 3;91 would be a good combo----with a clutch 3;23 or 3;50 would work good
go to high and your engine combo will SUFFER TERRIBLY

#6
Senior Member
MASTER BUILDER
Join Date: Jan 2008
Location: Yooper
Posts: 168

Originally Posted by lively
you didn;t say which trans and car type 8)
but--with an automatic 3;73 or 3;91 would be a good combo----with a clutch 3;23 or 3;50 would work good
go to high and your engine combo will SUFFER TERRIBLY
ops:
but--with an automatic 3;73 or 3;91 would be a good combo----with a clutch 3;23 or 3;50 would work good
go to high and your engine combo will SUFFER TERRIBLY

#10
Senior Member
DYNO OPERATOR
Join Date: Aug 2007
Location: Lost Creek, WV
Posts: 533

Originally Posted by bbchevy
With That TALL Tire!
a 4.10 would be the GEAR for ME!
a 33 Tall rear Tire has a Major Factor,that ALOT of Guys DONT Understand?
Later
G 8)
a 4.10 would be the GEAR for ME!
a 33 Tall rear Tire has a Major Factor,that ALOT of Guys DONT Understand?
Later
G 8)
TS1955