Engine from Auto car into a manual car? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

John Rambo · 11-24-2015, 08:41 PM

So, I'm swapping my blown motor with a junkyard motor, and I came across one on ebay that appears to be taken from an automatic.

The shop I've taken my car to for the swap is not sure if everything is the same, particularly some of the electronics.

Does anyone know if I'd run into issues using the engine pulled from an auto car? J

Thanks in advance.

KR-S · 11-24-2015, 09:23 PM

I can't see why not, but then again, modern tech has advanced so far much that you probably could and I might be missing something here.

churchx · 11-24-2015, 09:54 PM

You'll have old original ecu from manual, right? And it's firmware version will be fitting to engine version? (heard there were some changes in MY2015 engine in cams and alike, no? .. i guess firmware in ecu should better match those changes)

celek · 11-25-2015, 08:34 AM

Swap flywheel on, the electrical wiring harness from the MT car has to be used as you do not have the shift solenoids anyhow. Other than that mechanically I am pretty sure its a direct change over. No extra sensors that I am aware of.
Small things like below show an AT oil pipe which is capped on a MT with a bolt.
http://parts.subaru.com/a/Subaru_201...10-006-01.html

spitfire481 · 11-25-2015, 10:23 AM

the upper oil pan on the auto has a small nipple for a coolant line, the manual has it blocked. other than that its all pretty straight forward when they are side by side.

FrX · 11-25-2015, 10:45 AM

You will have to take off the vacuum pump on the passenger cylinder head, too, and replace it with the block off plate that exists on the manual.

wparsons · 11-25-2015, 11:36 AM

If you have the blown motor, and the "fresh" auto motor you have everything needed to put the new one in the car. Nothing internal is different, just some external parts (as mentioned already).

John Rambo · 11-26-2015, 02:37 PM

Okay. It still seems like slightly less labor to buy a motor from a manual so I think I'm going to do that.

Thanks guys

wparsons · 11-26-2015, 04:54 PM

^^ Compare the labour rate (or how much you value your own time) to the price difference. I'd imagine an hour or two to swap stuff over.

11-24-2015, 08:41 PM	#1
John Rambo Senior Member Join Date: May 2014 Drives: Turbo BRZ Limited 6MT Location: Los Angeles Posts: 116 Thanks: 47 Thanked 48 Times in 25 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Engine from Auto car into a manual car? So, I'm swapping my blown motor with a junkyard motor, and I came across one on ebay that appears to be taken from an automatic. The shop I've taken my car to for the swap is not sure if everything is the same, particularly some of the electronics. Does anyone know if I'd run into issues using the engine pulled from an auto car? J Thanks in advance.

11-25-2015, 10:23 AM	#5
spitfire481 Senior Member Join Date: Mar 2013 Drives: 2JZ FRS Location: Pure Automotive Performance Posts: 1,378 Thanks: 97 Thanked 1,354 Times in 621 Posts Mentioned: 27 Post(s) Tagged: 2 Thread(s)	the upper oil pan on the auto has a small nipple for a coolant line, the manual has it blocked. other than that its all pretty straight forward when they are side by side. __________________ Pure Automotive Performance MoTeC Build Thread @spitfire481

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11-24-2015, 09:54 PM	#3
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,085 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	You'll have old original ecu from manual, right? And it's firmware version will be fitting to engine version? (heard there were some changes in MY2015 engine in cams and alike, no? .. i guess firmware in ecu should better match those changes)

11-26-2015, 02:37 PM	#8
John Rambo Senior Member Join Date: May 2014 Drives: Turbo BRZ Limited 6MT Location: Los Angeles Posts: 116 Thanks: 47 Thanked 48 Times in 25 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Okay. It still seems like slightly less labor to buy a motor from a manual so I think I'm going to do that. Thanks guys

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