1989+ 302 Swap

1986_Stang_GT · March 13th, 2011, 04:05 PM

I'm swapping my 86 302 for a 89+ 302 motor.. I didn't know what all I'd need except the A9L Computer and Harness.. Anybody help me on this info????

fogged306 · March 13th, 2011, 07:37 PM

What on the engine are you swapping? You don't have to swap the harness or computer, everything should bolt right up as far as sensors go as long as it's an HO engine. Unless you're doing a MAF conversion, but even then you don't need an entire EEC harness. Just a MAF harness, a MAF, and an A9L if you're stick or an A9P if you're auto. Then you need to unplug and cap the the vacuum line to the MAP sensor.

FastStang91Lx · March 13th, 2011, 07:54 PM

Food for thought, you can use an A9P with a stick also. I currently am.

fogged306 · March 13th, 2011, 07:57 PM

Yea it works, just idles a tad higher.

1986_Stang_GT · March 14th, 2011, 01:31 AM

Well as far as swapping.. My car is a GT 5 speed car.. Idk what comp is in it, anything really.. But It isnt even mass air yet. 100% stock.. The new motor was in a MAF car and is completely stock. I'm just gonna throw this one in as a built 306.

March 13th, 2011, 04:05 PM	#1
1986_Stang_GT Regular 1986 Ford Mustang GT Unknown... Join Date: Feb 2011 Location: O'Fallon Posts: 72 iTrader: 0 reviews	1989+ 302 Swap I'm swapping my 86 302 for a 89+ 302 motor.. I didn't know what all I'd need except the A9L Computer and Harness.. Anybody help me on this info???? __________________ 1986 Mustang GT 5.0 5 Speed.. Stock. Soon to get tranny rebuild, suspension, and motor bolt-on Goodies!

March 13th, 2011, 07:54 PM	#3
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	Food for thought, you can use an A9P with a stick also. I currently am. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

March 14th, 2011, 01:31 AM	#5
1986_Stang_GT Regular 1986 Ford Mustang GT Unknown... Join Date: Feb 2011 Location: O'Fallon Posts: 72 iTrader: 0 reviews	Well as far as swapping.. My car is a GT 5 speed car.. Idk what comp is in it, anything really.. But It isnt even mass air yet. 100% stock.. The new motor was in a MAF car and is completely stock. I'm just gonna throw this one in as a built 306. __________________ 1986 Mustang GT 5.0 5 Speed.. Stock. Soon to get tranny rebuild, suspension, and motor bolt-on Goodies!

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March 13th, 2011, 07:37 PM	#2
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	What on the engine are you swapping? You don't have to swap the harness or computer, everything should bolt right up as far as sensors go as long as it's an HO engine. Unless you're doing a MAF conversion, but even then you don't need an entire EEC harness. Just a MAF harness, a MAF, and an A9L if you're stick or an A9P if you're auto. Then you need to unplug and cap the the vacuum line to the MAP sensor.

March 13th, 2011, 07:57 PM	#4
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Yea it works, just idles a tad higher.

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