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What was the part number on the box those 6.4 heads came in?
Thanks

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those are $775 each plus core up here! And I work at a dealer!

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This pic is of a stock replacement 6.4 piston from Manley
http://www.southeastrt.net/images/597400-main.jpg
This is a pic of my Manley's which must be an older design.

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Nice! I love the thicker ring land!

Here's mine installed in my 5.7 block:

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A 2.16 ls valve in my valve relief

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A 2.16 ls valve in my valve relief

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yeah dont remind me Ray. My pistons were probably made before Apaches even existed. It's all good, its going in a Road Course car. But I would love to lay down a 10.99 or quicker after bolting the 28x12.5x15 ET Streets I have in the shed.p

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Just curious how much boost could you put to one of these reliably with an after market rotating assembly...

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those are $775 each plus core up here! And I work at a dealer!

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www.rtpartsco.com

Put in 2013 dodge charger, goto engine, goto cylinder heads
There they are

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A 2.16 ls valve in my valve relief

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yeah dont remind me Ray. My pistons were probably made before Apaches even existed. It's all good, its going in a Road Course car. But I would love to lay down a 10.99 or quicker after bolting the 28x12.5x15 ET Streets I have in the shed.p

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I think you can rent a cutter from isky if needed

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Just curious how much boost could you put to one of these reliably with an after market rotating assembly...

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Completely stock 6.1 held 18psi for quite a while but keep in mind I tune quite a few of these, "snuck up" on this tune, checked plugs regularly and do have a dyno to experiment with. I really believe the tune has alot to do with making these engines live and perform.

As far as how much a forged rotating assembly will take - I'm not sure we know that yet. There's been quite a few that I have heard about that gave out at 14+psi but I believe this was due to other issues (i.e. mechanical, bad fuel, overheating, improper tuning). I'm at 18-20 psi with the Jeep right now and have made a full pass at 23psi but was pushing through the converter. So until Joe at ProTorque get's me squared away with a better setup I am stuck here. There are a few others out there that I have tuned in the 18+psi range that are running regularly but really having issues putting the power to the ground. We also have a twin turbo, 6 speed Challenger in the shop right now that makes 1000+whp at 18-19psi (5.7 based 370ci), idles at 650 and is quite as a church mouse until the turbo's come to life - then it's a handful. The trans I believe (and afraid about) is the limiting factor here as well.

To answer the question about the pistons in my 5.7 block - those are aftermarket pistons designed to work with any available head and I am currently running Thitek's w/inconnel exhaust valves.

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A 2.16 ls valve in my valve relief

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yeah dont remind me Ray. My pistons were probably made before Apaches even existed. It's all good, its going in a Road Course car. But I would love to lay down a 10.99 or quicker after bolting the 28x12.5x15 ET Streets I have in the shed.p

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I think you can rent a cutter from isky if needed

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rotator is balanced and picking up a set of PWR 6.1 heads today. The Apache ship has left the station on this engine. That 20-30rwhp I could've had will just have to wait for another day. Mine are supposed to flow in the 360-370 range at .600.

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those are $775 each plus core up here! And I work at a dealer!

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www.rtpartsco.com

Put in 2013 dodge charger, goto engine, goto cylinder heads
There they are

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That is a cool site. Do all the heads come with valves, springs, etc or are they bare?

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Just curious how much boost could you put to one of these reliably with an after market rotating assembly...

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Completely stock 6.1 held 18psi for quite a while but keep in mind I tune quite a few of these, "snuck up" on this tune, checked plugs regularly and do have a dyno to experiment with. I really believe the tune has alot to do with making these engines live and perform.

As far as how much a forged rotating assembly will take - I'm not sure we know that yet. There's been quite a few that I have heard about that gave out at 14+psi but I believe this was due to other issues (i.e. mechanical, bad fuel, overheating, improper tuning). I'm at 18-20 psi with the Jeep right now and have made a full pass at 23psi but was pushing through the converter. So until Joe at ProTorque get's me squared away with a better setup I am stuck here. There are a few others out there that I have tuned in the 18+psi range that are running regularly but really having issues putting the power to the ground. We also have a twin turbo, 6 speed Challenger in the shop right now that makes 1000+whp at 18-19psi (5.7 based 370ci), idles at 650 and is quite as a church mouse until the turbo's come to life - then it's a handful. The trans I believe (and afraid about) is the limiting factor here as well.

To answer the question about the pistons in my 5.7 block - those are aftermarket pistons designed to work with any available head and I am currently running Thitek's w/inconnel exhaust valves.

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