Matthewboerner Posted February 1, 2011 Share Posted February 1, 2011 Why would these plugs be different even though they are both ea82t engines? this is the wiring that is on my 87 gl10 and this is the wiring that is on the ea82t I just got. I'm confused. Link to comment Share on other sites More sharing options...
NoahDL88 Posted February 1, 2011 Share Posted February 1, 2011 Older MPFI EA-82's had a flapper door MAF and newer ones have a hot wire, probably changed the plugs when they changed sensors. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted February 1, 2011 Share Posted February 1, 2011 Yep - the second one is for a '85/'86 engine. Completely incompatible manifold, etc. You will have to use the manifold for the '87 on your car. GD Link to comment Share on other sites More sharing options...
Matthewboerner Posted February 1, 2011 Author Share Posted February 1, 2011 Cool, so I can use my 87 manifold on the 85/86 block? Just do a little switcheroo? Link to comment Share on other sites More sharing options...
GLCraig Posted February 1, 2011 Share Posted February 1, 2011 Cool, so I can use my 87 manifold on the 85/86 block? Just do a little switcheroo? Pretty much, you will need to swap the distributor too. Link to comment Share on other sites More sharing options...
Matthewboerner Posted February 1, 2011 Author Share Posted February 1, 2011 So when I go to swap the intake should I use OE gaskets or just some nice aftermarket ones any advise or suggestions? I'm excited to get this thing put together and out of the garage! Link to comment Share on other sites More sharing options...
Loyale 2.7 Turbo Posted February 1, 2011 Share Posted February 1, 2011 OE Gaskets... Forget about those Crappy aftermarket ones and Your subie's engine will be allright. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted February 1, 2011 Share Posted February 1, 2011 Since the manifold gaskets carry coolant you NEED to buy them from the dealer. Aftermarket are little more than paper while the proper OEM version is twice as thick and has the composition of a head gasket (graphite, metal, etc). There is a gigantic quality difference. As noted - distributor..... basically everything electronic has to be swapped - the exception is the oil pressure sending unit/idiot switch. You won't have to worry about that as long as it matches the car it's going into. GD Link to comment Share on other sites More sharing options...
Matthewboerner Posted February 2, 2011 Author Share Posted February 2, 2011 Im making progress, today I got the intake manifold off the new engine (86) and startingto clean it up and going to order OE intake gaskets tomorrow. It's getting there! Link to comment Share on other sites More sharing options...
Gloyale Posted February 2, 2011 Share Posted February 2, 2011 Yep - the second one is for a '85/'86 engine. Completely incompatible manifold, etc. You will have to use the manifold for the '87 on your car. GD The manifold itself , throttle body, injectors and rails could all be used just by adding the 87 harness and sensors. I think one the top one is an Late 87 engine. Hotwire Maf, Optical disty, etc..... But with the one year only square plug at hte engine, and round plug for the disty (not in picture) Matthewboerner, I assume the above picture is your car's? Bassically you just need to match your existing electronics. Link to comment Share on other sites More sharing options...
Matthewboerner Posted February 3, 2011 Author Share Posted February 3, 2011 The upper picture of the plugs is what my 87 gl10 has for plugs and the lower picture is of the doner engine that I'm going to use the longblock from. The plan it to use the 87's intake and dist. and all the wiring and put it on the 85/86 longblock. My understanding is most of all of these parts are interchangable withe the exception of the obvious plug difference? -Matt Link to comment Share on other sites More sharing options...
Matthewboerner Posted February 5, 2011 Author Share Posted February 5, 2011 Got my intake manifold gaskets and the turbo bellmouth gasket order from dealership. So today I drained my fuel tank and did some more random tasks that needed to be done before the car is road worthy. Link to comment Share on other sites More sharing options...
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