So while I save up some cash I'll go ahead and do the free mods. Have a question though. When you remove the air pump on a car without removing the cat also, the cat will eventually clog. Well I don't have a cat, I have a TR. So will any dammage be done to the TR by removing emmisions (mainly air pump) prior to the upcoming exhaust upgrade? Or should I just wait a couple weeks till I buy the exhaust?

The SA also has no shudder valve, any other emissions differences than the FB or can I just follow the write-up and omit that part

Also does anybody have a header to sell me?

-Marques

 

RB streetable header to be exact.

 

Cant answer about the TR, dont know enough about them sorry. As far as emissions removal, you just have less work to do.

 

Well, I can answer about the thermal reactor, and the answer is: do not remove the airpump while the thermal reactor is still being used. The reason is that the airpump supplies air to the TR both to cool it and to feed the combustion process contained within the TR's inner chamber. Without the cooling effect, the TR can overheat. Then when the motor is shut down, the heat can transfer back into the motor through the exhaust port, possibly damaging the apex seal spring if an apex seal has happened to "park" itself in the exhaust port window. When you go to install your header, search for a thread I posted a while back called "magic socket makes thermal reactor removal easy."

 

Exactly what I was gonna say wankelguy.

By the way, SA's do not have catalytic converters. That thing in the middle of the exhaust pipe is a heat exchanger. Air from the air pump destined to be injected is pumped into the heat exchanger, where the exhaust gases warm it up, then it goes via the downpipe (the downpipe is a hollow "co axial" pipe and is EXTREMELY expensive so DO NOT HACK IT UP) to a passange in the hermal reactor and into the hole on the rear rotor housing where it goes into another passage and then FINALLY it goes into the exhaust ports. The reason the heat exchange is used is because hot air will burn things better than cold air.

Everything about the SA is different so completely ignore the "write up". Do not do anything until you have already installed your header.

 

Awesome info guys, thank you.

-Marques

 

i have an sa that i've done this to, so just feel free to ask what i did. i also changed over to an 84' manifold and carb (the 79 carb was crap and didn't feel like rebuilding it) just pm me if you have any specific questions, because you have no idea how much these cars sound really cool to backfire

 

The SA manifolds were better, no anti-shudder valve to deal with.
And the backfiring so common on the TR equipped cars should go away once a header is fitted.