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Wiseco 4.560 A Head Pistons

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Wiseco 4.560 A Head Pistons Empty Wiseco 4.560 A Head Pistons

Post  774 Super Street February 5th 2014, 12:09 pm

I have a brand new set of Wiseco 4.560 bore pistons for A Heads. I bought these for my 588 c.i. build and they have been mocked up in an engine. The compression was going to be 12.5 to 1 with 87cc Trick Flow heads so I bought a different set to get more compression. They go with a 6.700 rod and 4.500 in crank. The Wiseco part# is AW-04244. They come with pins, locks and a new set of total seal rings. $500 plus shipping.

Thanks

Ryan 602-330-2709
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Post  powerstrokeace February 5th 2014, 1:06 pm

Killer deal but why such a small dome if your building a custom piston to start with. I figure its 3cc's


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Post  774 Super Street February 5th 2014, 1:09 pm

I bought everything from a guy. Heads, crank, rods, pistons etc... He was going to shave the heads to bring the compression up buy I didn't wan to do that.
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Post  774 Super Street February 18th 2014, 2:59 pm

Bump
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Post  Mark Laczo February 18th 2014, 8:50 pm

Would those pistons work with the Ford Motorsport A460 heads ? If so they would give more comp as they are around 76cc chambers?

FWIW Mark
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Post  774 Super Street February 18th 2014, 9:05 pm

You would have to call Wiseco to be sure that they would work. The compression ratio would be higher for sure with the smaller chambers.
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Post  powerstrokeace February 18th 2014, 11:56 pm

Mark i called wiesco when this was first listed and the info they have is vage. they say its a 3cc dome for a very small chamber. they really did nt have any more info. maybe the sell has the original box and the paper work for these. this is a killer deal and will work for both Ford and TFS "a" heads. my block just happens to be needing a 4.562 bore piston so i will have to order mine. My head just so happen to be a 67cc chamber

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Post  Mark Laczo February 19th 2014, 9:48 am

Ace,

If these piston mic @ 4.560" they may work for your 4.562" minimum clean up you can always bore a little more ? But if they mic @ 4.555" then they may be a little loose @ your 4.562" minimum = .007" piston-bore clearance. Depends what they mic @.

If I could make them work I would run them with a 4.3" stroke & 6.8" rod with a 76cc head it would be around 14.5 which would be decent. I haven't taken my block in yet but it may need more of a clean up than I expect in which case I couldn't use these.

Mark
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Post  774 Super Street February 19th 2014, 11:55 am

I have the spec sheet from Wiseco, if you would like it leave your email address and I will send it over. Thanks
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