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#1
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Chromemoly or Steel?
Im having trouble deciding which pushrod material to use for my street 408
Whats your opinion? My 408 should be turning out about 400hp. :toa
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#2
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For 400 horse steel is fine.
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#3
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What type of valve train are you running? Roller rockers or steel type rockers. CM is lighter and stronger, steel is cheaper and a little heavier. If cost difference about dollar per PR, I would use CM over steel. If twice the money for CM, cam and valvetrain won't see much over 6000 steel probably okay
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#4
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I have heard that when you bend a rod or two, you break alot of other stuff also. Because my dart sees some strip time I chose to go CM when I rebuilt my top end. To me, it was cheap insurance and one less thing I have to worry about.
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#5
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It depends on spring pressure, cam profile and cylinder pressures. If you are using a flat tappet, with spring pressures no more than 375-400 lbs. and a street profile---then plain steel pushrods are fine.
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#6
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Quote:
btw specs: Cam: Racer Brown .480 lift 232 @ 050 dur (fast ramp speeds) Compression should be around 10.3 static. Rockers: steel roller tip, adjustable. (Comp Pro-Mag) |
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