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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 12-17-2013, 05:25 PM   #1
TitaniumTT
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Yes... walblows are the worst pump you can put into a rotary.... just throw that thing out and get a denso replacement pump and be happy....

As far as I can tell, and Ted agrees, there's two things to check here.... proper fuel pressure, and if the injectors are actually firing....

Also,..,.. I noticed that you said compression was 90psi..... how did you test this? If your tested it with a piston engine compressor without removing the Schrader valve... you could have 2 blown rotors and not know it....
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Old 12-17-2013, 07:17 PM   #2
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Quote:
Originally Posted by TitaniumTT View Post
Yes... walblows are the worst pump you can put into a rotary.... just throw that thing out and get a denso replacement pump and be happy....

As far as I can tell, and Ted agrees, there's two things to check here.... proper fuel pressure, and if the injectors are actually firing....

Also,..,.. I noticed that you said compression was 90psi..... how did you test this? If your tested it with a piston engine compressor without removing the Schrader valve... you could have 2 blown rotors and not know it....
Well, only the cylinder #1 injector is firing, injector bank 2 is not. Gonna swap an injector from the secondary row, but got tired of messing with it tonight.

Nope, I read on it before testing, pulled the schrader valve it bounced up to 90 psi. I figured that wasn't too bad for a motor thats sit for a year or more.
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