S2000 Under The Hood S2000 Technical and Mechanical discussions.

Ap1 bottom 2.0 and Ap2 2.2 head will this work?

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Old 12-05-2010, 12:08 PM
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Originally Posted by GoFaassttt,Dec 3 2010, 07:30 AM
Wouldn't the AP1 block rev limit be 8000 since it is being run by an AP2 ecu?
yea it would rev to stock redline with stock ecu but its not going to hurt anthing
Old 12-05-2010, 02:59 PM
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Just swap in some AP1 cams and raise the redline to 9k with a flashpro.
Old 12-05-2010, 03:22 PM
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Originally Posted by flyingtoaster,Dec 5 2010, 03:59 PM
Just swap in some AP1 cams and raise the redline to 9k with a flashpro.
It has nothing to do with switching camshafts.. Honda lowered the red-line because the bottom end has a longer stroke and wouldn't reliably stay together as long as a lowered red-line'd motor would.
Old 12-05-2010, 03:31 PM
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Originally Posted by OneSilverS2k,Dec 5 2010, 04:22 PM
It has nothing to do with switching camshafts.. Honda lowered the red-line because the bottom end has a longer stroke and wouldn't reliably stay together as long as a lowered red-line'd motor would.
I mean in addition to changing to a 2.0 block. I assume that is what you are doing.
Old 12-05-2010, 08:41 PM
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Originally Posted by OneSilverS2k,Dec 5 2010, 05:22 PM
It has nothing to do with switching camshafts.. Honda lowered the red-line because the bottom end has a longer stroke and wouldn't reliably stay together as long as a lowered red-line'd motor would.
Its all about piston speed. ap1 11:1 9k is the same speed of ap2 11.1:1 8.2K.
Old 12-06-2010, 05:24 PM
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thanks for all your help ......!!! how about keeping my 07 ap2 block , head and pistons , and just switch the ap1 crank shaft now can you guys tell me if this will work >???
Old 12-06-2010, 05:28 PM
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Originally Posted by ILOVEMYAP2,Dec 5 2010, 01:02 PM
hey man whats i got all the answers to ur ?'s
i have a 2006 and i have a 2001 block with my 2006 head and my car runs perfect have no problems with it its also turbo


what you need to do to make this work is put ur 2007 crank sensor and the the crank wheel in the ap1 block thats it
how about keeping my 07 ap2 block , head and pistons , and just switch the ap1 crank shaft now can you guys tell me if this will work >???
Old 12-08-2010, 03:57 PM
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yes that will would u just have to use the ap1 rods to with the ap1 crank

i think the ap1 pistons my have a bigger dome on top if am correct
Old 12-10-2010, 01:19 PM
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Originally Posted by ILOVEMYAP2,Dec 8 2010, 04:57 PM
yes that will would u just have to use the ap1 rods to with the ap1 crank

i think the ap1 pistons my have a bigger dome on top if am correct
Thanx alot , yes the piston on the ap1 has like a dome like shape and bigger in regards to the top part , and ap2 is flat but i guess from what my mechanic told me it was because for the higher compression . so im sticking with my ap2 pistons and ap1 rods and bearings ....!!!!! WISH ME LUCK GUYS ...!!!!!!!!!
Old 12-10-2010, 04:49 PM
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welll good luck ....... yea my set up is ap1 botten end with ap2 head and ap1 cams and ap1 tranny on kpro


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