NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Vacuum Leaks! (https://www.nopistons.com/1st-generation-specific-16/vacuum-leaks-39589/)

Lacan91 05-27-2004 08:51 PM

cuoldn't figure out why the car was running so badly and eating spark plugs like candy so i take the car to Turbo Tune(a local shop that deals with anything turbo or supercharged) to help me figure out what is going on. we strap the car to the dyno to run the engine under load, as usual running like crap. check the a/f ratio its running like 18.0:1 at 2k rpm under partial throttle!!!! needless to say i was very afraid.



ends up being more than a few vacuum leaks, the injectors and the block-off plates are the ones we narrowed down. made new gaskets for the block-off plates, they're sealed up. went and got new o-rings for the injectors, they seem to be sealed up. still getting un-metered air from somewhere, real bad too. the only place i can possibly think is the gasket between the LIM and the block, anywhere else under the intake manifold that could be leaking air? any ideas are helpful fellas.



Loi

j9fd3s 05-27-2004 10:06 PM

lim to block leaks are pretty common.

RotaryXSevn 06-03-2004 12:30 AM

yeah man sorry to hear.

Lacan91 06-04-2004 08:53 PM

just waiting for the gasket to get here now, ordered some new shocks too. atleast my car won't look like its leaning anymore woohoo



Loi


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