S2000 Under The Hood S2000 Technical and Mechanical discussions.

f22 in ap1

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Old 04-22-2008, 10:34 AM
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Default f22 in ap1

i tried searching the forum i failed though, can this just be dropped in and started? what needs to be changed if anything?

tj
Old 04-22-2008, 11:06 AM
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i just did one my self the problem that i encounterd was the tail shaft of the ap2 trany shaft bolts are larger than those of the ap1 easy fix just swap them and if your going to use the ap2 ecu then you have to change the ignition switch and key then get the computer reflashed by the dealer or just find a way how to by pass it and thats where im at now but your ap1 ecu will run the engine with no problems other than that everything else bolts rite up.

hope this helps..
Old 04-22-2008, 11:15 AM
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I WAS WONDERING THIS TO (SORRY FOR CAPS, COMPUTER IS LOCKED TO RUN IN CAPS ALL DAY AT WORK) BUT ANY PERFORMANCE GAINS WITH THE 2.2 ? ALSO IS IT SAFE TO WIND TO 9K?
Old 04-22-2008, 11:29 AM
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you can feel the diff. on the low end cuz of torque diff. you can rev to 9k once or twice but it is best to stay under 85 hun on these engines due to there design... i love my swap just cant waite to huk up to the ap2 ecu...
Old 04-22-2008, 02:22 PM
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what about wiring harness?
ecu?
so i can buy a longblock use either tranny's slap it all in there direct bolt up and wire up??
have the computer reflashed and have a new ignition put in?

i need to know if its worth it. would it be cheaper to buy a ap1 motor again and put it in?
Old 04-22-2008, 03:13 PM
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Seems like a good way to ruin an AP1.
Old 04-22-2008, 03:51 PM
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Originally Posted by Big Bird,Apr 23 2008, 08:22 AM
have the computer reflashed and have a new ignition put in?
AP1 and AP2 (up to 05) can't be reflashed.

And why would you need new ignition?


Assuming it's an early AP2 you just swap the block and go. No tranny bolts to worry about, wiring or whatever.

It's not rated to run to 9000 but plenty do.
Old 04-22-2008, 04:07 PM
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you would need to purchase the ignition lock assembly along with key for a ap2, install it in your ap1 then have the dealer re flashit for you

or you can buy the lock assembly for ap2 & blank key have lock smith or dealer rekey to your ap1 key then re flashed that way you still have full access to all locks
Old 04-22-2008, 04:18 PM
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You can program it to accept your keys if that is what you mean by reflash.

But reflashing usually refers to changing the tuning.
Old 04-22-2008, 09:30 PM
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What about advantages, and disadvantages?


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