RX7Club.com - Mazda RX7 Forum - rebuilt n/a engine won't stay running below 3000 rpm

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- - rebuilt n/a engine won't stay running below 3000 rpm (https://www.rx7club.com/2nd-generation-specific-1986-1992-17/rebuilt-n-engine-wont-stay-running-below-3000-rpm-600194/)

dec276

11-26-06 08:28 PM

rebuilt n/a engine won't stay running below 3000 rpm

I just put a newly rebilt engine from espritauto@nucleus.com in Calgary Canada into my 88 normally aspirated and I can't get the engine to run under 3000 rpm. Any ideas?

C.A.R

11-26-06 09:54 PM

Is your cat clogged? If it is it will smoke like crazy when it is warmed up and smells like crap...

dec276

11-27-06 06:49 AM

New racing beat exhaust header to muffler no cat. Engine has upgrades to get near 190 hp

My5ABaby

11-27-06 07:06 AM

Vacuum leak. If it won't run under 3000, that sounds like several small leaks or 1 big one.

iceblue

11-27-06 10:29 AM

So you have a secod confermation my5ababy is correct you have a vacuume leak.

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