charge motion delete plates - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 07-25-2010 Thread Starter
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charge motion delete plates

A buddy of mine has is car down at blow by racing getting the new ford racing intake manifold put on and is trying to sell me his delete plates. Is it something i should buy and what kind of gains would i see? $75 is his price


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post #2 of 7 (permalink) Old 07-26-2010
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That's a good price, I say get 'em. You'll still need a tune to turn off the butterlies. Maybe 10-15 hp, not sure but they felt worth it when I put mine in.


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post #3 of 7 (permalink) Old 07-26-2010
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Quote:
Originally Posted by DavidL16 View Post
A buddy of mine has is car down at blow by racing getting the new ford racing intake manifold put on and is trying to sell me his delete plates. Is it something i should buy and what kind of gains would i see? $75 is his price
I'd snatch them up for $75. I just made a set and put them on my car. Not sure about the actual gains (my guess ~10hp) but it sure helps with throttle response!

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post #4 of 7 (permalink) Old 07-26-2010
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That's a great price. Pay close attention when installing them so you can closely match the ports.

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post #5 of 7 (permalink) Old 07-26-2010
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Quote:
Originally Posted by stlwagon View Post
That's a great price. Pay close attention when installing them so you can closely match the ports.
I took some measurements when I put mine on. The ports on the intake are smaller than the ones on the OE plates but the ones on the heads are exactly the same size as the ones on the OE plates. Conclusion: Put the plates on the heads first and carefully put the manifold on top of the plates. And sorta not related: From the Steeda Website:

...Steeda's plates are .070 larger than the O.E. plates and are a better port match to the intake manifold and cylinder heads than the original plates, reducing turbulence and improving airflow in the intake path for more horsepower and torque!...

BS!

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post #6 of 7 (permalink) Old 07-26-2010
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I never understood why this was, I understand some intake turbulence helps combustion but the port sizes were so different between the intake and cylinder manifolds when I put my plates on five years ago I just said WTH?? I had always been taught port matching was good so thought about trying it between these pieces but wound up installing as-is...

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post #7 of 7 (permalink) Old 07-26-2010
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Quote:
Originally Posted by hubkap View Post
I never understood why this was, I understand some intake turbulence helps combustion but the port sizes were so different between the intake and cylinder manifolds when I put my plates on five years ago I just said WTH?? I had always been taught port matching was good so thought about trying it between these pieces but wound up installing as-is...
Yeah I was going to do some port-matching with the intake when I had it off until I realized how big the difference was. If I would have started grinding on the intake to match the ports it would have been so thin there wouldn't have been anything left!

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