20valve swap ECU question

RallyCSX
Posts: 2
Joined: Mon Jan 14, 2013 9:27 pm

20valve swap ECU question

Postby RallyCSX » Thu Jul 30, 2020 10:35 am

I made an attempt to search for the answer as I am sure that this has been answered before but I came up empty handed.
I have owned my ae86 for 20 years and after 2 replacement 16v engines I am doing a 20V Black Top swap. I need an ECU but the only available factory computers that I can find are AT. Does anyone have experience running an Automatic transmission computer with a manual?
Are there significant performance issues? Are there any sensor problems to work around? Could someone point me in the direction of some good consolidated information resources for doing the swap?
THANK YOU!
- 20v noob.

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morgan
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Posts: 890
Joined: Thu Jan 10, 2013 10:29 pm
Location: og, nj

Re: 20valve swap ECU question

Postby morgan » Thu Jul 30, 2020 12:52 pm

its fine, no issues for 10+ years on an auto ecu. check in my sig for wiring DIY...
haha cali...i got one of your 86's and you're not getting it back.
My turd of an 86
20v swapped 86 write-up

RallyCSX
Posts: 2
Joined: Mon Jan 14, 2013 9:27 pm

Re: 20valve swap ECU question

Postby RallyCSX » Thu Aug 20, 2020 1:47 pm

Thank you! Excellent writeup!
Do you happen to have the part numbers for the Black Top ECU? The computers floating around for sale seem to have differing part numbers and I want to make sure that I get the correct one.
Thank you!

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morgan
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Joined: Thu Jan 10, 2013 10:29 pm
Location: og, nj

Re: 20valve swap ECU question

Postby morgan » Fri Aug 28, 2020 9:14 am

any of these should be fine, its auto, 5 speed, & 6 speed throughout the years.
89661-1A370
89661-1A360
89661-1A470
89661-1A860
89661-1A880
89661-1A490
haha cali...i got one of your 86's and you're not getting it back.
My turd of an 86
20v swapped 86 write-up

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