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13B-T in N/A w/o turbo

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Old 05-13-03, 01:21 AM
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13B-T in N/A w/o turbo

Is it possible to power a n/a rx-7 with a jdm 13b-Turbo engine without the turbo? For example, instead of an engine rebuild, drop in a jdm motor to replace it since it seems jdm engines are cheaper than a rebuild.
Old 05-13-03, 01:22 AM
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it will be a really weak *** engine, the compression on the 13bt motors are lower then the na motor's so they can handle boost. a 13bt with no turbo is a SLOW motor... I wouldn't do it.
Old 05-13-03, 08:30 AM
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Yup, the boost solenoid on my 91 is disconnected due to no factory ECU.

I'm seeing with my hellish clogged cats around 2-3PSI @ WOT 3-4-5.

It's as slow as a Hyundai...or worse.

Old 05-13-03, 09:54 AM
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I agree...the compression is horribly low (thank God they didn't do that to the FD). You would really have to do a lot to get some real compression out of that motor...thus you have no power (well not nearly enough). If you wanna run with Hyundais (and I don't mean Tiburon GT V6s either...) then go for it, otherwise avoid at all costs.
Old 05-13-03, 10:29 AM
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To answer you question yes it is possible. The only thing is you would have to decide, is on the induction. Easy way would be header, distributor and a carburetor. There are many different ways of approaching the situation but it is possible. But like the people said before me with the lower compression rotors you would be at a disadvantage.
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