gears..again
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Joined: Jul 2003
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From: Texas
gears..again
ok after you change gears you need to take it easy on them to break them in, well if or when i do change my gears it'll be a weekened swap and then monday through thursday it's a 50 mile one way trip to my school all highway at 60-70 mph(i like 60 cause i get 19mpg there) but would this cause too much heat in my rearend? but the 500 mile break in period would be over in under a week. just don't want to change my gears and then have my rearend glowing red when i get to school. thanks in advance
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Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
I have never had t break in rearend gears. Put them in Sat. morning, go racing Sat night. They do create a wear pattern, but it isn't something like a camshaft or cylinderwalls that must be broken in.
There should be no problem in putting them in and heading off to school.
Just a not, they build up more heat in stop and go traffic, than in steady interstate driving.
Jimmy
There should be no problem in putting them in and heading off to school.
Just a not, they build up more heat in stop and go traffic, than in steady interstate driving.
Jimmy
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Freshman User
Joined: Jul 2003
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From: Texas
ok cool, it'll be more of a friday morning friday night thing though i'm outta school on fridays so that's when i was planing on doing it, or maybe i could do it at school in my powertrains class... anyways how can i tell what rear end i have? my 89 had an 8.8 and my 02 is not an 8.8. but the only other gear sets i've seen on summit is for the 7.5 and the 9in. where could i get gears for it? also it'll be teh first rear that i do so i hope i don't screw it up.
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Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
Look at the tag. Is it a 4x4? It is probably a 9.75 semi-floating rearend. Well, I guess it's not a 4x4 or you would have to do the front too.
Tow package? May still be a 9.75
Check the tag and see if it has a 975 on it somewhere. It may or may not have a dot in the number.
Jimmy
Tow package? May still be a 9.75
Check the tag and see if it has a 975 on it somewhere. It may or may not have a dot in the number.
Jimmy
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