LT1-LT4 Modifications 1993-97 Gen II Small Block V8

3:73 gears

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Old Mar 6, 2005 | 05:48 PM
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Default 3:73 gears

i just got done with the heating process on my new 3:73 and was wondering what would be the best gear oil to use......and does an after market girdle help alot for a 10 bolt as for strenghting it?
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Old Mar 6, 2005 | 08:01 PM
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use red line 75-w90 its good stuff. ive heard the girdles work, but ive never really looked into it. your only buying time before the inevetable if your launching that ten bolt
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Old Mar 7, 2005 | 12:43 AM
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I hear royal purple is good ****. Thats whats going in my new rear probably. Good Luck
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Old Mar 7, 2005 | 11:54 AM
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yeah i launch it alot thats why i was wondering if the aftermarket girdles will make it last longer
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Old Mar 7, 2005 | 02:02 PM
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I dont know about the hard launches unless you have an auto. The girdle will help strength, but if you have a six speed then your time is limited on any hard launches. I have had my 4:10's for years with no problems but i always launch at a resonable rpm.
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Old Mar 7, 2005 | 02:08 PM
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THis is what SLP claims of the cover....
"the cover is constructed from aircraft quality, cast aluminum. It makes the differential housing stronger, offering a firm "back bone" in place of the stamped sheet metal cover. It also includes special passages, cast in to direct and control the "spray" of oil off the ring gear. These passages pass the oil through special cooling fins on the rear of the cover. The oil is returned to the housing directly over the ring gear carrier bearings. This keeps the fluid up to 80% cooler, increasing durability and reliability immensely. The cover includes a drain plug that allows you to drain the gear oil from the differential without having to remove the cover."
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Old Mar 7, 2005 | 06:43 PM
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yeah i have an auto not a six speed.....well so i guess it sounds like i really need one, i dont want it to break, any thing to make it stronger!!!!!!!!
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Old Mar 8, 2005 | 10:25 AM
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Its really all about how well your hooking up and how much power you've got.
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Originally Posted by 97LT1
I dont know about the hard launches unless you have an auto. The girdle will help strength, but if you have a six speed then your time is limited on any hard launches. I have had my 4:10's for years with no problems but i always launch at a resonable rpm.
whats a reasonable rpm for your gears and 10 bolt? im on my way to purchase 4:10's and hoping the rear will hold up until i can purchase that 12 bolt.
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