SCJ Heads

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SCJ Heads

Post  XF-66 on October 3rd 2017, 2:50 pm

Question?

I need the instant torque a Roots Blower offers.
If I build a blown motor with the newer SCJ heads, does holding the .600 valve lift flow rule still pertain for the head's flow dynamics?
Or is the fact that it's forced fed, blow past the head's sweet spot at .600 (as in a N.A. application) make it a moot point?
Can I run a larger lift camshaft with these heads and see a benefit.
If so in "general" what areas do I need to address with these heads with a blown setup?
Shooting for 700-800hp.

Thanks

XF-66

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Re: SCJ Heads

Post  Lem Evans on October 3rd 2017, 3:27 pm

I've used .720" lift....no ill effects that I could see.

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Re: SCJ Heads

Post  XF-66 on October 3rd 2017, 4:02 pm

Thanks Lem for the tip, from your experiences.



Lem Evans wrote:I've used .720" lift....no ill effects that I could see.

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