From auto to manual - Pontiac G6 Forum
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post #1 of 17 (permalink) Old 07-26-2013, 09:45 PM Thread Starter
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From auto to manual

So, i d like to know if it would be worth to change my trannyfrom 4 speed auto to a 6 speed manual. Is it even possible? How much would it cost?

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post #2 of 17 (permalink) Old 07-28-2013, 09:18 PM
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It will cost a good chunk of change more than swapping out the automatic. It will limit the fun factor, but you could put in a later 6 speed auto from a 2009 sedan. The manuals will be hard to find as they are rare in the GXP models.

You'll also need the PCM, wiring harness, clutch pedal/hardware from the manual car.


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post #3 of 17 (permalink) Old 08-01-2013, 10:08 PM
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They weren't made in the gxp models. The only model to have it was the GTP!
And I think they made a few GTs manual. That's all.

If your looking to spend a chunk of money make a custom tranny!
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post #4 of 17 (permalink) Old 08-19-2013, 08:34 AM
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'06 GTP
'07 GT
....were the only manual G6's ever made. And mated to a 3900 only. And the '07 got a closer ratio 3-6th gears.
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post #5 of 17 (permalink) Old 09-12-2013, 02:35 AM
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Are the 6-speed auto and the 4-speed auto directly interchangeable?
Does all 6-speed auto comes with tap-shift?
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post #6 of 17 (permalink) Old 05-05-2014, 07:26 AM
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I know that it will be a very expensive job. But will it be worth it? In my opinion, heck yeah!! I love my G6 and a 6spd would be crazy amazing. My question is will the F40 tranny bolt up to my g6? Or a cobalt tranny? Either way, it will probably be about $3k

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post #7 of 17 (permalink) Old 05-07-2014, 02:42 AM
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Quote:
Originally Posted by bjohnsong6 View Post
I know that it will be a very expensive job. But will it be worth it? In my opinion, heck yeah!! I love my G6 and a 6spd would be crazy amazing. My question is will the F40 tranny bolt up to my g6? Or a cobalt tranny? Either way, it will probably be about $3k
YES

NO

Trans is about 500. Idk what the shifter and clutch pedal would run, but used is the only way to go. Clutch is about 130 from rockauto. It would a parts collection mission mainly, but it will all bolt up once you have everything. First verify that the subframes aren't different. And as for 3k? Seems high to me, but maybe it would add up to that...
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post #8 of 17 (permalink) Old 05-07-2014, 01:37 PM
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SleepyAlero did this in his car. Went from 4 speed auto to F40 6 speed. Said in another thread that it was around $4K. the F40 will bolt up to 13 different motors. As he explained it to me, The wiring is pretty simple as in leave all the auto wires unhooked and tucked away and zero out the auto tables. He said he did it with HPTuners. Links below.

F40 Trans (Brand New): http://www.milzymotorsports.com/f40-...-transmission/

Transmission Conversion Kit (Includes Trans but lists parts needed): http://www.milzymotorsports.com/6-sp...body-vehicles/

HPTuners: http://www.hptuners.com/products/vcmsuite.php
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post #9 of 17 (permalink) Old 05-12-2014, 01:31 AM
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He converted an N-body, not a G6. He just used a G6 transmission since it is the ONLY of all the F40 transmissions to use the GM V6 bell housing pattern.
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post #10 of 17 (permalink) Old 05-13-2014, 08:31 AM
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Yes but the 06 gtp came with 6 speed. Have you ever looked under your dash at the pedals? There is a grommet where a clutch pedal can go. The kit comes with everything you need. The only thing you wouldn't need are the mounts for n nody.

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post #11 of 17 (permalink) Old 05-15-2014, 01:57 PM
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Hey thats me. Lol yup. I did have mine converted. It was 3750 for parts. (All brand new from GM, thats tranny, shifter, pedals, lines, everything new 0 miles) and another 1050 for install. Which is a hell of a deal for that especially with the work involved. (MMS raised the price after he finished my car. He thought it was a little cheap for all the work.) But he still trys to make it affordable while also getting paid himself.


Id expect around the same price to convert a g6 auto to an f40 manual. I will tell you though. It really wakes up the car and is tons of fun!

Meet Destiny, shes a 2001 Alero GLS Gold Series, 6 speed 3400. (2 of 2) in the world. *Tuned by MMS/MMGT1*

11/26/12 - 180,000 miles body/motor. 2,300 on F40.
8/20/13 - 192,000 miles body/motor. 14,300 on F40.
. . . S . . . . L . . . . E . . . . E . . . . P . . . . Y . . .

Last edited by sleepyalero; 05-15-2014 at 02:00 PM.
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post #12 of 17 (permalink) Old 02-27-2015, 08:34 AM
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If I were going to do this, I think I'd use an F23 or (more likely) New Venture T550, which is the latest version of the Getrag 282.
Fiero guys use all of those (as well as the F40) for various swaps. They all are available with the GM V6 metric pattern. (3.4, 3.5, 3.9, etc.)

I have the T550, bolted to a 4.9 Caddy in a Fiero. Although the gearing isn't optimal (the 4.9 is a torque monster) it works well, and is a complete riot to drive.

Edit - Then again, the largest drawback to using the F40 in a Fiero is having to cobble axles together. G6 folks won't have that issue.

Raydar

2010 G6 GT, 18x8 Mach M7 wheels. Essentially stock.
1988 Fiero Formula fastback. 4.9 Cadillac Allante V8. NVG T550 5 speed. Not even close to stock.

Last edited by Raydar; 02-27-2015 at 08:38 AM.
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post #13 of 17 (permalink) Old 02-27-2015, 09:21 AM
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waste of money
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post #14 of 17 (permalink) Old 02-27-2015, 10:15 AM
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Quote:
Originally Posted by tireguy View Post
waste of money
When it comes right down to it, any kind of automotive hobby - or any kind of hobby, really - is a waste of money. At least to somebody.
This, based upon the premise that anything that is not essential is, by definition, unnecessary.

How boring life would be...

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2010 G6 GT, 18x8 Mach M7 wheels. Essentially stock.
1988 Fiero Formula fastback. 4.9 Cadillac Allante V8. NVG T550 5 speed. Not even close to stock.
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post #15 of 17 (permalink) Old 02-27-2015, 10:59 AM
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nah dude, that's not really true converting a G6 to manual is a waste of money what are you gaining?
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