need to identify pistons!

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need to identify pistons!

Post  stanggt on February 16th 2012, 9:16 am

Hey guys, need to identify what heads fit these pistons. Any Idea?


Last edited by stanggt on February 17th 2012, 7:03 pm; edited 1 time in total (Reason for editing : changed topic)
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Re: need to identify pistons!

Post  stanggt on February 16th 2012, 11:19 pm

I need to find out if they are for A heads or conventional. I will post a pic of them tomarrow and see if U guys can identify them for me. I dont know what the part# is for the pistons. If they are for A heads then maybe I will find me a set of those even though it would be more cost effective to change the pistons. Neutral


Last edited by stanggt on February 17th 2012, 7:04 pm; edited 1 time in total
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Re: need to identify pistons!

Post  bbf-falcon on February 16th 2012, 11:41 pm

What did you buy them to be for Question

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Re: need to identify pistons!

Post  stanggt on February 17th 2012, 6:55 pm

bbf-falcon wrote:What did you buy them to be for Question
They were in the engine when I got it. Here are some pics. Need to know if this looks like they are for A heads.
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Re: need to identify pistons!

Post  bbf-falcon on February 17th 2012, 11:26 pm

I've never actually seen a piston for the SCJ/P51,but the exh. Valve looks like it's a little low for A-head pistons. confused

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Re: need to identify pistons!

Post  stanggt on February 18th 2012, 12:19 am

bbf-falcon wrote:I've never actually seen a piston for the SCJ/P51,but the exh. Valve looks like it's a little low for A-head pistons. confused
I know they dont fit SCJ cause that is what I have. The intake hits about 1/4-3/8 higher than what you see. Could they be standard location? confused
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Re: need to identify pistons!

Post  rmcomprandy on February 18th 2012, 1:07 am

stanggt wrote:
bbf-falcon wrote:What did you buy them to be for Question
They were in the engine when I got it. Here are some pics. Need to know if this looks like they are for A heads.

That piston is for an "A" head.
The exhaust valve on an "A" head can open some .400" or so, before it ever contacts a flat top piston crown with no notch there at all so, these are for a giant duration camshaft or heads with a bunch milled from the deck surface.

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Re: need to identify pistons!

Post  stanggt on February 18th 2012, 11:11 am

rmcomprandy wrote:
stanggt wrote:
bbf-falcon wrote:What did you buy them to be for Question
They were in the engine when I got it. Here are some pics. Need to know if this looks like they are for A heads.

That piston is for an "A" head.
The exhaust valve on an "A" head can open some .400" or so, before it ever contacts a flat top piston crown with no notch there at all so, these are for a giant duration camshaft or heads with a bunch milled from the deck surface.
thank you very much Randy. Now my Q is would a set of A460 powerport 340 heads be a better head than the SCJ heads that I have right now. I found a good deal on a pair is why I am asking.
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