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Swapping an AP2 Transmission into an AP1

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Old May 29, 2008 | 08:26 AM
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Default Swapping an AP2 Transmission into an AP1

I've been having problems with 1/2 grind, and every so often it will pop out of 4th gear. I'm at 90k miles, and also on my stock clutch.

Since I'm gonna be replacing the clutch I was thinking about getting my transmission replaced with an AP2. The AP2 transmission has 15k miles, and with labor included would cost me $1150.

Is it worth it?
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Old May 29, 2008 | 08:36 AM
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I have a friend that did it and he loves it. He has 4:44's as well I believe.
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Old May 29, 2008 | 08:38 AM
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Yes it is. You'll need to change the flange on the back of the ap2 tranny to the one on your ap1

You'll get a difference of gearing as the reduction gear in an ap2 is a bit deeper and 5th and 6th are a bit longer. It will feel like you dropped in a set of 433 diff gears but you'll keep 5th and 6th long. It's a nice combination.

plus you pick up the better synchros


fltsfshr
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Old May 29, 2008 | 09:27 AM
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, well worth it in my opinion. If I had an ap1, i would definatly do it.

-Ian
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Old May 29, 2008 | 09:44 AM
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Thanks for your input, guys! Looks like I'll be getting it swapped this weekend.
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Old May 29, 2008 | 02:23 PM
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What about the other way around? Ap1 transmission in an ap2?
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Old May 29, 2008 | 06:14 PM
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I got an ap2 trans for sale
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Old May 29, 2008 | 06:38 PM
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Originally Posted by hecash,May 29 2008, 10:45 AM
You'll be very happy with it.

I did it to my prior AP1 soon after the '04MY hit the market. A trainload of S2000 were in a train wreck, I think Kansas, and I bought an AP2 tranny with less than ten miles on it for $800, DIY installed it with a new clutch and lived happily ever after.
nice. where was i when this happened?
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Old May 29, 2008 | 07:57 PM
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Originally Posted by moogleii,May 29 2008, 06:23 PM
What about the other way around? Ap1 transmission in an ap2?
Probably be a bad idea. Gears 1-4 are longer in the AP1 tranny, so thatll probably knock you out of vtec.

AP2 tranny + 4.44 gears would make an awesome combo in an AP1. Woud pull like the 4.77's but would have the long 5th and 6th gear for highway cruising. Cant go wrong.
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Old May 29, 2008 | 08:16 PM
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ive heard good stuff about that conversion. Havent seen anyone local to me do it tho
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