315 Gear Install?

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Jul 30, 2003 | 12:36 PM

Vegas Vette

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Melting Slicks

Joined: Sep 2002

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From: Las Vegas NV

315 Gear Install?

can anyone tell me if a 315 gear will fit in a 273 carrier with out machineing it?. :chevy

Jul 30, 2003 | 01:16 PM

Mike Mercury

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From: S.W. Ohio. . . . . . NRA Life Member

Re: 315 Gear Install? (razor2430)

with out machineing it?.

no

Jul 30, 2003 | 02:06 PM

Vegas Vette

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Melting Slicks

Joined: Sep 2002

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From: Las Vegas NV

Re: 315 Gear Install? (Mike Mercury)

Thanks for the info..I guess I need a whole Diff!! :cheers:

Jul 30, 2003 | 02:21 PM

Redvette_22

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From: jackson nj

Re: 315 Gear Install? (razor2430)

Yes it will, if you use the "new" special parts made available

Jul 30, 2003 | 04:38 PM

Mike Mercury

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Joined: Apr 2001

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From: S.W. Ohio. . . . . . NRA Life Member

Re: 315 Gear Install? (Red98C5)

from 2.73 to any other C5 ratio... you'll need to reprog (there's no way to get around it); so you moght as well get a 3.42 carrier.

Jul 30, 2003 | 05:47 PM

Special K

Safety Car

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From: Sunshine State

Re: 315 Gear Install? (Mike Mercury)

:iagree:

Been there, done that.

Bob
:flag

Jul 30, 2003 | 06:30 PM

Vegas Vette

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Melting Slicks

Joined: Sep 2002

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From: Las Vegas NV

Re: 315 Gear Install? (Korreck)

can you guys enlighten me on this issue. So what you are saying is that you can put a 315,342 ect in a stock 273 carrier without machinening the carrier to fit the new gears with some special part? Is from GM or some other vender? And what do you have to do to reprogram the onbaord computer? And how does this part work? You can E-Mail me with details.
Thanks :thumbs:

Jul 31, 2003 | 12:53 PM

Vegas Vette

Thread Starter

Melting Slicks

Joined: Sep 2002

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From: Las Vegas NV

Re: 315 Gear Install? (razor2430)

TTT.. :confused:

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Jul 31, 2003 | 01:07 PM

Redvette_22

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From: jackson nj

Re: 315 Gear Install? (razor2430)

You must reprogram the PCM for shift points when replacing the 2.73 or 3.15 gears, and the best way is with LS-1 Edit. If however, you already have a Hypertech or other unit like it, you can "fool" the PCM into accepting the replaced gears, within limits that is.

The part to put the 3.15 or numerically higher gears in is not made by GM....but is available.

Jul 31, 2003 | 06:47 PM

#10

Mike Mercury

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From: S.W. Ohio. . . . . . NRA Life Member

Re: 315 Gear Install? (Red98C5)

Quote:

Yes it will, if you use the "new" special parts made available

are these "special parts" available seperately... or must you send the entire pumpkin out?

And you mean to say that no internal machining or grinding is required with the 2.73 case upgrade?

[Modified by Mike Mercury, 6:48 PM 7/31/2003]

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