are ring, pinion, and differential sets interchangable between GM 7.5" and 7.65" rear ends?
Andy
it's not how fast you go, it's how you get there that counts.
ZZP XP cam, 1.6 rockers, 105# springs, speedbuilt FWI, 3.3" modular pulley, TOG headers,
3" exhaust, flomatched injectors
'97 GTP 14.06@100.6mph pre cam w/ 3.5" pulley, I/E
you sure? because on two different sites i've been on, the part numbers are the same
Andy
it's not how fast you go, it's how you get there that counts.
ZZP XP cam, 1.6 rockers, 105# springs, speedbuilt FWI, 3.3" modular pulley, TOG headers,
3" exhaust, flomatched injectors
'97 GTP 14.06@100.6mph pre cam w/ 3.5" pulley, I/E
Its simple the 7.5" is a 7.5" ring gear and the 7.65" is a 7.65" ring gear. You can try if you want but they will not line up. You will just end up wasting your money.
"Project 69'"
1969 Chevrolet C/10, 1/2 ton, 2wd
-Boosted LS1?
-Richmond ROD 6-speed(will get sometime)
-Posi 12-bolt(built w/eaton posi unit and richmond 3.73 gears)
-Disc brake and 5 lug swap
+little extras
do they both fit into the same housing? if you take a full 7.5 ring, pinion, and differential, and replace it with all 7.65 parts, will you still have problems?
Andy
it's not how fast you go, it's how you get there that counts.
ZZP XP cam, 1.6 rockers, 105# springs, speedbuilt FWI, 3.3" modular pulley, TOG headers,
3" exhaust, flomatched injectors
'97 GTP 14.06@100.6mph pre cam w/ 3.5" pulley, I/E
I doubt it. What rears are you talking about anyway?
"Project 69'"
1969 Chevrolet C/10, 1/2 ton, 2wd
-Boosted LS1?
-Richmond ROD 6-speed(will get sometime)
-Posi 12-bolt(built w/eaton posi unit and richmond 3.73 gears)
-Disc brake and 5 lug swap
+little extras
i dont know too many specifics. asking for a good friend of mine. he's running 3.73's with a T56 spinnin the engine to almost 9K rpm. he shifted out of 1st at almost 50 mph. he found some 4.56's (i think?) for a 7.65 rear end, but his is a 7.5
Andy
it's not how fast you go, it's how you get there that counts.
ZZP XP cam, 1.6 rockers, 105# springs, speedbuilt FWI, 3.3" modular pulley, TOG headers,
3" exhaust, flomatched injectors
'97 GTP 14.06@100.6mph pre cam w/ 3.5" pulley, I/E
Used?
I'd never, ever, buy a set of used rear end parts.
i dont think they're used. i think the guy got em and decided not to put them in
Andy
it's not how fast you go, it's how you get there that counts.
ZZP XP cam, 1.6 rockers, 105# springs, speedbuilt FWI, 3.3" modular pulley, TOG headers,
3" exhaust, flomatched injectors
'97 GTP 14.06@100.6mph pre cam w/ 3.5" pulley, I/E
Right on.
Regardless, I'd go with the correct size just for peace of mind ...
JinxedZ THE LOVED ONE wrote:Right on.
Regardless, I'd go with the correct size just for peace of mind ...
the guy sold em anyway. so we're not even worried about them now. i'll have to post more on his car. you guys would like it.
Andy
it's not how fast you go, it's how you get there that counts.
ZZP XP cam, 1.6 rockers, 105# springs, speedbuilt FWI, 3.3" modular pulley, TOG headers,
3" exhaust, flomatched injectors
'97 GTP 14.06@100.6mph pre cam w/ 3.5" pulley, I/E
