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Old 10-18-2015, 12:26 PM   #1
Gregg Luneack
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Default Re: Schubeck lifters

I ask NHRA to make roller lifters an option 3 years ago, no response.
Just the cost and availability makes it a no brainer. Maybe if more
racers send emails something will happen.
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Old 10-18-2015, 01:03 PM   #2
Billy Nees
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Default Re: Schubeck lifters

Quote:
Originally Posted by Gregg Luneack View Post
Just the cost and availability makes it a no brainer.
Not if I know Drag Racers! Next you'll see more wiped and broken cams, valve and valvetrain and spring failures. Availability maybe. Cost? Bull.
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Old 10-18-2015, 01:09 PM   #3
Rick Leininger Jr.
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Default Re: Schubeck lifters

If the ceramic foot lifter always stays in contact with the cam the lobe, then the ceramic foot is a lot less likely to shatter. Issue (as far as I'm concerned) is that the optimal performing stocker camshaft will incorporate some amount of loft (cam/lifter separation for increased dynamic lift) incorporated into the design, therefore I'd only consider a steel/DLC coated flat lifter for a stocker application. Some of you may even be lofting and don't know it, or might find out when you have a failure.

In addition to the Precision steel lifters mentioned, I've used the Ferrea lightweight steel SBC flat lifters with the foots polished, successfully in a 8200 rpm SBC on a nitrided cam core.
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