6 Speed Automatic Build

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Dec 9, 2008 | 03:19 PM

vette 99

Thread Starter

Instructor

Joined: Aug 2003

Posts: 112

Likes: 1

From: Denver CO

6 Speed Automatic Build

Has anyone built up any of the Six Speed Auto's yet??? I've got a 99' vette running 9.5's on the fully tweaked 4L60E, and of course we are shooting for the low 9's. I have heard that the 4L70's have the possibilities of holding more HP.

Dec 9, 2008 | 03:23 PM

EdwardETraylorIII

Le Mans Master

Joined: Aug 1999

Posts: 8,827

Likes: 10

vette 99,

You should do a search (or just look down a few threads on the main page here). RPM has started building them.

Dec 9, 2008 | 08:29 PM

solow1k

Racer

Joined: May 2008

Posts: 452

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From: Corinth Texas

Ive heard they are building them to and seen it mentioned, but not real specs on it yet. Anybody wanna help out with that, or point me in the right direction?

Dec 9, 2008 | 10:06 PM

Keith N

Safety Car

Joined: Jul 2006

Posts: 4,724

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From: Southern California

vette 99 - You should call or PM Andy at A&A Corvette (CF Sponsor). He's running 680 rwhp on his A6 with some different gears.

Dec 9, 2008 | 10:54 PM

Mr.Big

Safety Car

Joined: Oct 2001

Posts: 4,945

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From: Dallas/Valley Ranch TEXAS!!!

RPM, is building a neat 6 speed auto right now, Ron at Vengeance Racing is using one, in his build, for FstPoon see this thread and related links in it
http://forums.corvetteforum.com/c6-c...-corvette.html

Dec 9, 2008 | 11:30 PM

Skunkworks

Melting Slicks

Joined: Apr 2005

Posts: 3,418

Likes: 1

From: Chicagoland Area IL

Quote:

Originally Posted by Mr.Big

Quick question did RPM or someone else come up with a stronger 1st gear planetary gear set? Its my understanding that bearing are too weak and self destruct do to high axial forces in helical gearing when highly loaded (torque load).

Oh and with respect to A&A C6, I'd suspect torque is the 600 region and that's what kills trans not HP (within reason).

Thanks,
Mike

Last edited by Skunkworks; Dec 9, 2008 at 11:35 PM.

Dec 10, 2008 | 11:50 AM

vette 99

Thread Starter

Instructor

Joined: Aug 2003

Posts: 112

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From: Denver CO

Thanks for the input. I did call RPM yesterday, and I spoke with TJ (I think??). He said the jury is out on the A6 as far as power is concerned. He doesn't think it will hold as much as the 4L60E, but there aren't any trick parts available yet. My 99' is making 1,246 HP (here in Denver (at 6,500+ altitude), and laying down 1,041 to the ground. You can check out a 9.570 at 144 MPH run if you go the Streetfire and type in Pinks All Out Denver. I guess I'll have to freshen the 4L60E for the 2009 Race Season.

Dec 10, 2008 | 08:25 PM

thegame

Le Mans Master

Joined: Feb 2002

Posts: 9,883

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From: Bergen County NJ

I hope the A6 shows it is able to stand up to heavy firepower

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Dec 10, 2008 | 08:34 PM

LS2POWA

Racer

Joined: Dec 2007

Posts: 413

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From: Bradenton Fl

Yeah Im waiting to see results, I dont wanna be a guinea pig.

Dec 16, 2008 | 07:33 PM

#10

0EPP

Former Vendor

Joined: Dec 2006

Posts: 2,239

Likes: 1

We just took an 6L80E transmission from an '08 Hummer H2 to RPM Transmissions today to have them build it into one of their Stage VI builds. Bob

Dec 16, 2008 | 07:48 PM

#11

LS2POWA

Racer

Joined: Dec 2007

Posts: 413

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From: Bradenton Fl

Arent the 6L80Es different from the ones in the car to the truck/suv crowd? Thought I read it on a couple sites.

Dec 16, 2008 | 10:22 PM

#12

69 Vette

Drifting

Joined: Dec 2006

Posts: 1,769

Likes: 244

From: Morgan City Louisiana

Quote:

Originally Posted by thegame

I hope the A6 shows it is able to stand up to heavy firepower

I hope so too. I have a RPM 4L60E in my C6 Z right now but would love to switch to an A6 if they can be built to hold the power.

Dec 17, 2008 | 07:33 PM

#13

glass slipper

Le Mans Master

Joined: Jul 2005

Posts: 5,328

Likes: 405

Quote:

Originally Posted by LS2POWA

Arent the 6L80Es different from the ones in the car to the truck/suv crowd? Thought I read it on a couple sites.

The 6L80s are all the same. What you're thinking about is the 6L90s in the 2500/3500. They're the same as the 6L80 except with some wider gears (that makes the 6L90 35mm longer) and a few other things I can't remember off the top of my head.

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