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Old 11-05-2021, 11:40 PM   #1
Subysander
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At the Track New to subaru engines

I recently received a free subaru wagon that it trash ,but tranny and motor are fine.Tranny is still in car and will be removed and motor ran but is torn down.I want to rebuild motor and use it as a sand rail motor.It is a 1992 ea82t.Not too familiar with these motors and would like some input on a few things.I like having turbo but am deciding whether to simplify it by going carb?Can it be done? Is the ea82t block the same as non turbo?Are ea82 parts the same in both turbo and non turbo?
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Old 11-06-2021, 11:07 AM   #2
R P
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There are quite a few Subaru aircraft conversion companies. Here is one. They would have a lot of knowledge and experience with these engines.
http://www.sdsefi.com/subaru.htm
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Old 11-06-2021, 11:08 AM   #3
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There are quite a few Subaru aircraft conversion companies. Here is one. They would have a lot of knowledge and experience with these engines.
http://www.sdsefi.com/subaru.htm
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Old 11-06-2021, 11:48 AM   #4
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Compression ratio is the big difference between NA and turbo engines that often ends in catastrophe. Back before the WRX even came to the US, I was involved with Subaru people and every single turbo addition resulted in a blown engine. It's as easy to do today. If you want to go turbo, you'll need to replace the pistons to reduce compression. The easier way out was to do a supercharger and limit boost to about 5 psi.
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Old 11-06-2021, 02:30 PM   #5
Subysander
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The engine I have is already a turbo and was thinking about converting to carburetor.What parts are needed to convert?
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Old 11-08-2021, 02:36 PM   #6
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Will the block ,since it is an ea82t be ok to put non turbo parts in it to be a non turbo motor?
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Old 11-10-2021, 09:52 PM   #7
monkeyposeur
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The crank, rods, and block are the same between the ea82 and ea82t iirc. The turbo heads are dual port and the NA heads are single. A lot of parts are going to be able to be bolted on but getting them to run properly is another story.

How are you going to run the engine? With the stock wiring or a standalone ECU? If you are using the stock ECU to run a formerly turbo ea82t as an NA application it's not going to work very well if at all.

So it kind of depends on what non turbo parts you want to bolt on and how much you're willing to go through to get it to work. Once you start building strange hybrid NA/turbo/carbed engines things are gonna get a lot more complex. Simplest way to use what you have is to keep it as it is and use the stock wiring and ecu.

There were ea82s that were carbed. You can find more info on ultimatesubaru.org if you search around.
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