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Discussion Starter #1
I have been told if I want to go big power, with a super charger I will eventually need the 5 speed out of an MR2. How much of an issue is installation of this transmission? Is it basically a drop in and bolt up, or is it pretty convoluted?
 

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www.theapexinn.com
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Hmm......why not just change the whole car ?
 

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Back to the Future, again
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Unless the inference is that the 5 speed is beefier and can handle the extra torque of the supercharger that the stock 6 speed can't... I don't see why... there are other upgrade parts if you want to beef up the stock 6 speed to handle the extra torque of the supercharger.
 

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The E153 is really only recommended for really stupid amounts of power (I believe well over 400) and/or a race application. If you aren't hitting either of those, it probably isn't necessary - at least from what I have read on here.
 

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It is the luck of the draw (and some driving habits), some people cook their stock trannies while they are still NA, but for the people who race a lot with greater than 300 HP, the failure rate on the stock transmission is unacceptably high (ring gear, 3rd/4th gear failures). Ask FZust about his transmission experiences, ask him about other people he has raced with. This is why he upgraded to a track specific Quaife Sequential transmission. The E153 is the way to go on high HP builds, if the car will be driven on the street, as well as the track. I have been told when you are up in the 400HP range, you don't miss the 6th gear. Essentially 5th gear on the e153 maxes out at a similar point as 6th on the stock C64 transmission. It requires a kit to install the E153 (monkey wrench racing sells the kit), so no, it doesn't bolt right on without an adapter kit.
 
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