H612CP Pistons and Big Intake Valves?

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H612CP Pistons and Big Intake Valves? Empty H612CP Pistons and Big Intake Valves?

Post  1EFF100 on November 28th 2019, 1:36 pm

Is it possible to run 2.19 Intake valve D0VE heads on a D9TE undecked block? Or is fly cutting new valve notches mandatory no matter what?

Thanks.

Oh and Happy Thanksgiving! Smile
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Post  rmcomprandy on November 28th 2019, 2:44 pm

1EFF100 wrote:Is it possible to run 2.19 Intake valve D0VE heads on a D9TE undecked block? Or is fly cutting new valve notches mandatory no matter what?

Thanks.

Oh and Happy Thanksgiving! Smile

That piston was used in the Ford Motorsport 460 crate motors with A429 heads and they needed the intake notch machined larger. The largest valve to fit in that notch is 2.125".

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Post  1EFF100 on November 28th 2019, 2:48 pm

rmcomprandy wrote:
1EFF100 wrote:Is it possible to run 2.19 Intake valve D0VE heads on a D9TE undecked block? Or is fly cutting new valve notches mandatory no matter what?

Thanks.

Oh and Happy Thanksgiving! Smile

That piston was used in the Ford Motorsport 460 crate motors with A429 heads and they needed the intake notch machined larger.  The largest valve to fit in that notch is 2.125".

Okay. Thank you, Randy.
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Post  rmcomprandy on November 28th 2019, 2:51 pm

That is the main reason where a 2.11" valve is used a lot of the time.

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