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Roller lifters

General engine tech -- Drag Racing to Circle Track

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408 Nova
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Roller lifters

Post by 408 Nova »

Is the main advantage of larger diameter lifters to help with pressure angles and block wear?

Getting a block drilled for the SB2.2 lifter pattern and would really like to know what diameter lifter is best to go with, with the .903" being as big as I would ever go.

And all that being said, what brand lifter is everyone using?
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mt-engines
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Re: Roller lifters

Post by mt-engines »

go .937 with an .850 wheel if you can.
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Re: Roller lifters

Post by mt-engines »

408 Nova wrote: Fri Jul 31, 2020 2:34 pm Is the main advantage of larger diameter lifters to help with pressure angles and block wear?

Getting a block drilled for the SB2.2 lifter pattern and would really like to know what diameter lifter is best to go with, with the .903" being as big as I would ever go.

And all that being said, what brand lifter is everyone using?
jesel or morel makes nice keyway lifters. crower enduramax are nice, isky redzone etc
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CamKing
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Re: Roller lifters

Post by CamKing »

The main advantage of a larger diameter roller lifter, is the larger diameter wheel that you can fit on it. The larger diameter wheel, produces less side loading on the lifter.
We have plenty of lifter options.
Our .842" and .875" lifters have .750" wheels.
Our .904" lifters have .810" wheels.
Our .937" lifters have ..850" wheels.

Our lifters can be upgraded to bronze bushings, or our steel-on-steel bushingless wheels
Mike Jones
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bob460
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Re: Roller lifters

Post by bob460 »

CamKing wrote: Sat Aug 01, 2020 10:27 pm The main advantage of a larger diameter roller lifter, is the larger diameter wheel that you can fit on it. The larger diameter wheel, produces less side loading on the lifter.
We have plenty of lifter options.
Our .842" and .875" lifters have .750" wheels.
Our .904" lifters have .810" wheels.
Our .937" lifters have ..850" wheels.

Our lifters can be upgraded to bronze bushings, or our steel-on-steel bushingless wheels
Mike anyone running your steel on steel lifters on the street?...........if so how many miles.
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Re: Roller lifters

Post by bob460 »

mt-engines wrote: Sat Aug 01, 2020 4:25 pm
408 Nova wrote: Fri Jul 31, 2020 2:34 pm Is the main advantage of larger diameter lifters to help with pressure angles and block wear?

Getting a block drilled for the SB2.2 lifter pattern and would really like to know what diameter lifter is best to go with, with the .903" being as big as I would ever go.

And all that being said, what brand lifter is everyone using?
jesel or morel makes nice keyway lifters. crower enduramax are nice, isky redzone etc
Bam is also a good lifter!
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Re: Roller lifters

Post by CamKing »

bob460 wrote: Sun Aug 02, 2020 12:20 am
Mike anyone running your steel on steel lifters on the street?...........if so how many miles.
Yes, I have a customer that builds a lot of turbo street engines, and he's been using them for a couple years, I don't know how many miles they're putting on them, but we haven't had any issues.
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Krooser
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Re: Roller lifters

Post by Krooser »

Will going to a larger wheel change the cam performance?
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Re: Roller lifters

Post by panic »

It will tend to stretch the window at both ends of the duration.
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Re: Roller lifters

Post by CamKing »

Krooser wrote: Mon Aug 03, 2020 2:13 pm Will going to a larger wheel change the cam performance?
There would be a very small change in performance.
Using my 262@.050", .440" lobe lift profile
If you went from a .750" wheel, to a .810" wheel, here's how the durations would change
@ .012": +0.66 degrees
@ .050": +1.22 degrees
@ .100": +1.42 degrees
@ .200": +1.38 degrees
@ .300": +1.05 degrees
@ .400": +0.60 degrees

If you went from a .750" wheel, to a .850" wheel, here's how the durations would change
@ .012": +0.80 degrees
@ .050": +1.79 degrees
@ .100": +2.29 degrees
@ .200": +2.23 degrees
@ .300": +1.69 degrees
@ .400": +0.91 degrees
Mike Jones
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rebelyell
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Re: Roller lifters

Post by rebelyell »

CamKing wrote: Sat Aug 01, 2020 10:27 pm The main advantage of a larger diameter roller lifter, is the larger diameter wheel that you can fit on it. The larger diameter wheel, produces less side loading on the lifter.
We have plenty of lifter options.
Our .842" and .875" lifters have .750" wheels.
Our .904" lifters have .810" wheels.
Our .937" lifters have ..850" wheels.

Our lifters can be upgraded to bronze bushings, or our steel-on-steel bushingless wheels
Mike
thanks Is it true that OE GM rollers (L31 & LS) have a wheel that's only 0.700" diameter ?
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