FS: or TRADE: P&P'd 243s
Dec 12, 2007 | 09:41 PM
#1
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Joined: Apr 2007
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From: Douglasville, GA
FS: or TRADE: P&P'd 243s
I have some P&P'd 243 heads with everything but the springs.
They have been milled .055 and they come with custom 7.300 pushrods.
the bowls have been CNC machined; the runners and around the valve stems have been hand ported.
I bought these from a friend who had them on his full bolt-on and cammed camaro and he put down 429rwhp through a T-56. We took them to have them flowed after he took them off and before I bought them. but there flow bench was broke.
We did all the calculations to see what my compression ratio would be with them on my 5.3 and it came out to be 10.66:1 and that is with a stock 6.0 gasket at .054 thickness. They are 57cc combustion chambers.
I paid $550 for them and I would like to get that out of them OBO + shipping.
Reason for not using them myself: I'm getting a LQ4 and the make the compression like 11.6:1 on a LQ4 and thats a little too high for the set-up I'm gonna be running.
If anyone has anything they would like to trade Pm me or post up what you have.
They have been milled .055 and they come with custom 7.300 pushrods.
the bowls have been CNC machined; the runners and around the valve stems have been hand ported.
I bought these from a friend who had them on his full bolt-on and cammed camaro and he put down 429rwhp through a T-56. We took them to have them flowed after he took them off and before I bought them. but there flow bench was broke.
We did all the calculations to see what my compression ratio would be with them on my 5.3 and it came out to be 10.66:1 and that is with a stock 6.0 gasket at .054 thickness. They are 57cc combustion chambers.
I paid $550 for them and I would like to get that out of them OBO + shipping.
Reason for not using them myself: I'm getting a LQ4 and the make the compression like 11.6:1 on a LQ4 and thats a little too high for the set-up I'm gonna be running.
If anyone has anything they would like to trade Pm me or post up what you have.
Last edited by joshua022; Dec 14, 2007 at 09:00 AM.
Dec 13, 2007 | 07:27 PM
#2
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From: Douglasville, GA
Dec 13, 2007 | 07:53 PM
#4
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From: Douglasville, GA
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Dec 15, 2007 | 12:20 PM
#8
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From: Douglasville, GA
The guy I bought them from Ben Sundling, he did the hand porting on the runners and where the valves go through the head.
And then he had them put on the CNC machine where he works to have the bowls ported to exactly what they are supposed to be. I believe they are 90% the width of the seat. Supposedly thats how you want them.
I think its a pretty good deal 2, i would have already put them on my 5.3 if i hadn't of bought an LQ4.
And then he had them put on the CNC machine where he works to have the bowls ported to exactly what they are supposed to be. I believe they are 90% the width of the seat. Supposedly thats how you want them.
I think its a pretty good deal 2, i would have already put them on my 5.3 if i hadn't of bought an LQ4.
Dec 18, 2007 | 10:49 PM
#10
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i have the stock 243's with stock springs and comp 7.400 pushrods...i got them fullyported by a local guy who did it by hand but never flowed bench them !?