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Old 04-27-2013, 10:27 AM   #1
bugeyetex
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Member#: 283815
Join Date: May 2011
Chapter/Region: TXIC
Location: San Antonio
Vehicle:
2003 psm wrx wagon
Built Fuji Tough

Default Transmission swap or engine swap.

I am looking into getting a leggy for the family dd ( anyone want a silverado?). I like the price point on the 01-04 leggys and outback. In the end, I would like a manual transmission and the h-6 engine. So there is the question. Is it easier to swap the transmission from auto to manual and just trick the ECM, or is it easier to swap out the motor and run some engine management system. Surely someone has done this before, but the answer to which way is simpler has popped up in any of my searches.
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Old 05-27-2013, 02:02 PM   #2
B16ars
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Member#: 328655
Join Date: Aug 2012
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You can swap the transmission and just run a few wires but you would have to flash the ECM or get a manual one. My biggest dillema and fear about ever having to do a manual swap is the clutch pedal. i never thought it would be fun to add the clutch pedal and other needed items.
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Old 05-28-2013, 12:36 PM   #3
TurboLag23
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Member#: 347343
Join Date: Feb 2013
Location: SoCal
Vehicle:
2004 Outback H6
2008 Acura TL

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Quote:
Originally Posted by bugeyetex View Post
I am looking into getting a leggy for the family dd ( anyone want a silverado?). I like the price point on the 01-04 leggys and outback. In the end, I would like a manual transmission and the h-6 engine. So there is the question. Is it easier to swap the transmission from auto to manual and just trick the ECM, or is it easier to swap out the motor and run some engine management system. Surely someone has done this before, but the answer to which way is simpler has popped up in any of my searches.
I've been researching the same swap for my 2004 Outback H6 LLBean. Ideally for me, the swap would be a 6MT with an R180. Theoretically, it should be much easier to swap the transmission than to swap the engine. Fooling the ECU/TCU into cooperating with the manual transmission in such a way that everything still works (VSS, ABS, cruise control, no CEL's, etc.) will be challenging, but swapping engines would require doing all that wiring work, which just sounds terrible.

Here's my thread where I've compiled basically all the knowledge I've garnered from my research. PLEASE NOTE: I HAVE NOT DONE THE SWAP!!!!! For the love of God, PLEASE fact-check everything I write hahaha.

http://forums.nasioc.com/forums/show....php?t=2469367

Best of luck, and if you do jump on it please make a build thread!!!!
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Old 05-28-2013, 03:06 PM   #4
vicious_fishes
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Join Date: Sep 2007
Location: Aussieland
Vehicle:
2003 GD w/EZ30D swap

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swapping gearbox is 1000x easier. all you have to do is ground the transmission control module to think it's in gear all the time. swapping engines means a harness merge and god knows what else.
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