Quote:
Originally Posted by itsnotanova
I've seen guys go both ways with the transmission and even put a five speed behind a 3.2 or 3.4. The guys who either put a 2.5 5 speed behind a 2.7 or a 2.7 5 speed behind a 2.5 don't really notice a difference. Some spec boxster guys have caught with 2.7 5 speed transmissions and didn't even know until they got inspected by the scrutineers at a race. The spec guys are burning through 2.5 transmissions so quickly that you might have a hard time finding a good used one. I'd stick with the 2.7 transmission because of that. Of course you're in England so finding a 2.5 transmission won't be so hard.
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One of the driving factors behind the decision is that the majority of the gearboxes on ebay seem to be from either a 2.5, or a 130k+ miles 2.7, and all the 2.5 boxes are within a reasonable distance to me