OK. I my turboII has 3 seperate exhaust leaks.

1. turbo/downpipe
2. before resonator
3. after resonator.

my car SUX at low end now. are rotaries really that sensitive to exhaust leaks?

I guess my o2 sensor doesnt get a 100% clean reading since it leaks before the turbo/downpipe gasket.

 

O2 sensor only matters when you are cruising, not when you are dropping the hammer.

And I had an open O2 sensor bung (for my wideband) and the car was noticeably laggy. Fix your leaks.

 

yea i had the same question but kind of different. one of my friend who used to own a rx7 said rotary motors are very sensitive when modd(intake,exhaust, and etc) and have to be tuned. is it true?

 

ive got about 4...

 

^^ one of the biggest problems with an rx-7 (2nd or 3rd gen) is boost creep when you open up the exhaust, so yeah you can go kablooie if you're not careful

 

nah boost is fine. but it kinda feels like a 2 stoke bike with a tuned pipe.. heh

very low end is fine. mid suxrs. and top is normal.