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Q's about 4 bolt rear end

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ASZRAEL1266

20+ Year Contributor
895
0
Oct 15, 2002
I have looked around alittle and i havn't been able to find the answer to my Q. What i was wondering about is are the 4 bolt rear ends from 92 the same as 99? Could you take any 4 bolt rear end and put it on your car or does a 1G have to get a 1G 4 bolt and a 2G have to get a 2G 4 bolt?
 
They are the same rear end from 92-99.
 
Would it be ok to daily drive a car with a welded center diff and a 4 bolt rear end? I have heard you can't use a 2G 4 bolt on a 1G? Are there any rear ends stronger then a 4 bolt?
 
are the 4 bolt rear ends from 92 the same as 99?
The differential itself is the same but the axles are different. 2G axles will not bolt up on a 1G. You will need 1G axles.
i thoght the gearing was diff. in the second gen and would mess up the center diff.
The gearing is different from the Automatic to the Manuals trans cars. 1G and 2G Manual Rear Gears are the same ratio at 3.545:1.
Would it be ok to daily drive a car with a welded center diff and a 4 bolt rear end?
I've been doing it for 3+ years on the 3-bolt and over a year on the 4-bolt.
Are there any rear ends stronger then a 4 bolt
Yes, a Ford 9 inch but let's see ya put that under there! The 4-bolt is the strongest Mitsu rear that will bolt in under a DSM. They've gone 10s and maybe even 9s so they'll work as long as you don't try to do 7000 RPM, clutch drop burnouts on slicks!

Rick - '91 GSX :dsm:
 
Thanks. My first 3 bolt lasted me about 7 months my second 3 bolt lasted only 3 months till i snaped an axel. So i could buy a 99 4 bolt rear end then junk the axels and buy 1G axels and the 99 4 bolt rear will work? :confused:
 
Just so you know, you can't just bolt a 2G diff into a 1G. The one I stripped from a 97 GSX didn't look like it had the mounting bosses on the diff to bolt in the same way.
 
I think i will just play it safe and try to find a 1G 4 bolt rear. Any one know some one selling one?
 
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