Trans Swap on 2009 Rx8 Questions
11-12-21, 04:32 AM
#1
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Trans Swap on 2009 Rx8 Questions
So I just recently got an 09 rx8, 6speed. It is stuck in 4th and has been as long as I've known the car. I've purchased a 6speed trans out of a 06, will they bolt up? I know the reverse is in a different location. What am I about to deal with??
11-13-21, 01:12 PM
#2
welcome to the board. 
well, as you may or may not know, your S2 car uses a different transmission than the S1 tranny that you bought. as far as bolting up goes, it should bolt to the engine without issue. i suspect it will also bolt to the car without issue as well, but in order to check, you might want to go ahead and measure from the bell housing to the two studs where it bolts to the frame.
here is a priceless thread that may help: https://www.rx7club.com/general-rota...guide-1153243/
well, as you may or may not know, your S2 car uses a different transmission than the S1 tranny that you bought. as far as bolting up goes, it should bolt to the engine without issue. i suspect it will also bolt to the car without issue as well, but in order to check, you might want to go ahead and measure from the bell housing to the two studs where it bolts to the frame.
here is a priceless thread that may help: https://www.rx7club.com/general-rota...guide-1153243/
11-13-21, 01:51 PM
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welcome to the board.
well, as you may or may not know, your S2 car uses a different transmission than the S1 tranny that you bought. as far as bolting up goes, it should bolt to the engine without issue. i suspect it will also bolt to the car without issue as well, but in order to check, you might want to go ahead and measure from the bell housing to the two studs where it bolts to the frame.
here is a priceless thread that may help: https://www.rx7club.com/general-rota...guide-1153243/
well, as you may or may not know, your S2 car uses a different transmission than the S1 tranny that you bought. as far as bolting up goes, it should bolt to the engine without issue. i suspect it will also bolt to the car without issue as well, but in order to check, you might want to go ahead and measure from the bell housing to the two studs where it bolts to the frame.
here is a priceless thread that may help: https://www.rx7club.com/general-rota...guide-1153243/
11-16-21, 05:07 PM
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I got the second trans so if I tore down the first and it got to complicated I have a back up. But you make it sound like it's not to insane of a job, I may try tearing down the original before I mess with try to bolt up the s1 trans
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11-16-21, 08:26 PM
#8
Don't put a S1 trans in an S2. The Aisin AZ6 (S1 tranny) is known for being made of glass. My first RX-8 had a second gear grind on high rpm shifts, and my second RX-8 (also a Series I) wasn't as bad, but I would never put a S1 trans into a S2, you are going backwards in resilience and quality. Rebuild the S2 trans or buy another S2 trans.
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