Customers pump gas W2 headed 408...

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Brian Hafliger

Brian Hafliger

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Made 552HP @ 6300 and 6500rpm, and 506TQ @ 5100rpm. 9.8:1, hybrid solid roller, mild port w2's, 950HP, OOTB victor, TTI 1 7/8, 1.6 TD's.
Thanks Crackedback for the help today. Got all fancy tuning the carb!!
 

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I used what Comp calls a hybrid solid roller/hyd. roller lobe. Can be used with either lifter, just have to account for a small amount of lash when using SR lifters.
They are very fast lobes!
 
I'd like to know more about this cam. I think this would make a good tech topic and a dam good thread.


OH, PRICE IS????????????????
 
I can say it's the same lobe family I used on the CC 414 that just made 621 on pump gas!

Cost is relative IMO. If you want alot of HP with a reliable valvetrain, and plan on racing it too you have to spend money. Or replace parts ofter...either way your spending money.
 
Great results Brian given comp and cam size I think. What sort of valvetrain do you recommend for longevity etc ie spring type, retainers etc
 
L4staero said:
Great results Brian given comp and cam size I think. What sort of valvetrain do you recommend for longevity etc ie spring type, retainers etc
Click to expand...

We used Comp 943 springs and tool steel retainers. All 10° stuff. We used TD rockers.
If you cheap out on the valvetrain while using a solid roller you will PAY for it...one way or another!
 
How well would a quick accelerating lobe like that live on the street?
What sort of DCR does this motor have? what do you think is ideal on pump gas?
Sorry for all the questions
cheers
 
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