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lifters........q

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Old Dec 29, 2005 | 07:48 PM
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cochese's Avatar
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Default lifters........q

what are ford motorsport hydro roller lifters good for as far as rpm?

Lets say you wanted to rev your motor to 7,500 rpm,will the lifters handle it?Is there a there a rep brand out there,that some of you are running now?
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Old Dec 29, 2005 | 08:59 PM
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i had fms rollers and was pumping up the lifters at about 7000
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Old Dec 29, 2005 | 09:35 PM
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i have fms lifters, i'll spin rpms till it quits or splits, whatever comes first. i would be more concerned about valve springs than lifters.
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Old Dec 29, 2005 | 09:52 PM
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The Hi-Rev cam series with Hi-Rev valve springs will rev as high as 7600 rpm using the stock Ford hydraulic roller lifters without lifter float; 8200 rpm with titanium retainers, keepers and intake valves.

this is from andersons website.....i guess i'm in the clear
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Old Dec 29, 2005 | 11:20 PM
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well lifters aint gonna float(valves). the lifters arent able to pump up at a certain load. I need to change mine as well.
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Old Dec 30, 2005 | 04:08 AM
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Make sure you have some good oil pressure to keep up with the increased valve spring pressures. I spun my old 302 up to 7600 without a problem. Oil restrictive pushrods don't hurt either.
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Old Dec 30, 2005 | 04:14 AM
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hell im @ 7200 in the burnout box!
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