2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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New to T2, not rotary

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Old 08-16-06, 10:33 PM
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New to T2, not rotary

Ok guys I just bought an 88 s4 turbo 2 and I have a few questions. It was rebuilt about 20K miles ago by Rotary Power down in LA and it is a nice car, but the owner told me she had it de-tuned to run 86 octane gas. I am wondering if this is what they installed in the car to de-tune it?



Any help would be very appreciated.
Thanks!

Here are some other pics of the car.


Old 08-16-06, 10:39 PM
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Nope, thats an RB FCD... Not what it takes to detune it.
Old 08-16-06, 10:43 PM
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Thanks much
Old 08-16-06, 10:43 PM
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No prob.
Old 08-16-06, 11:40 PM
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Dude, How many 7's do you have?
Old 08-16-06, 11:53 PM
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1 1984 first gen
1 1990 s5 na
1 1988 s4 turbo II
1 1973 rx2
1 2004 rx8 lol

Last edited by bluemunkey1820; 08-16-06 at 11:55 PM.
Old 08-16-06, 11:57 PM
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Just curious but wat is that lil adjusting screw by the pressure sensor in the pic for on the TII's????
Old 08-17-06, 12:06 AM
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a/f at idle
only s4's have it
Old 08-17-06, 01:45 AM
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Originally Posted by bluemunkey1820
1 1984 first gen
1 1990 s5 na
1 1988 s4 turbo II
1 1973 rx2
1 2004 rx8 lol
Damn Dude, did you include the one you bought off Trainwreck? You must make a shitload of dough to own/maintain this many rotaries.
Old 08-17-06, 01:56 AM
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Originally Posted by J-Rat
Nope, thats an RB FCD... Not what it takes to detune it.


lol....


quite the opposite, it is to allow the engine to run higher than stock boost without fuel cut. not exactly a detune i would say!

the only detune i could think of would be retarding the timing with the crank angle sensor or richening up the fuel a tiny bit but really, a stock T2 can handle 87 octane just fine..
Old 08-17-06, 09:23 AM
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Originally Posted by ErixHvn
Damn Dude, did you include the one you bought off Trainwreck? You must make a shitload of dough to own/maintain this many rotaries.
yep the 1990 s5 na the sc is off as i was goin to have to smog it

the first gen is a parts car
the rx2 is the money pit as its my drag car
the na just sits right now not smogged yet
the turbo 2 just got yesterday
and the rx8 is my dd and she is low on maintanence as she is under warrenty

Last edited by bluemunkey1820; 08-17-06 at 09:36 AM.
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