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Old 03-08-2023, 02:16 PM   #1
Weekend Racer
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Default roller lifter
Hello! This is a sbc . New Jesel DLC coated pro-tie bar roller lifter .903 ,in Dart shp pro block with 55mm cam . I have an issue with the lifter .It Looks like it blocks the oil gallery off at Max lift .Has anyone noticed the same problem?
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Old 03-09-2023, 10:39 PM   #2
mike britt
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Default Re: roller lifter
Given how much time the lifter spends at max lift how would that cause any issues? Less oil to the top is a good thing.
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Old 03-10-2023, 10:04 AM   #3
Bob F
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Default Re: roller lifter
Base circle correct?
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Old 03-10-2023, 10:49 AM   #4
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Default Re: roller lifter
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Base circle correct?
at cam base circle lifter oil band is well exposed to the oil gallery.
at .050 from max.lift the lifter oil band is no more exposed to the oil gallery. Thank!
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Old 03-10-2023, 02:06 PM   #5
Dirk Olson
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Default Re: roller lifter
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Originally Posted by Weekend Racer View Post
at cam base circle lifter oil band is well exposed to the oil gallery.
at .050 from max.lift the lifter oil band is no more exposed to the oil gallery. Thank!
A little line with a die grinder on the lifter oil hole will allow oil to flow, will not need much.
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Old 03-11-2023, 05:39 PM   #6
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Default Re: roller lifter
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Originally Posted by Dirk Olson View Post
A little line with a die grinder on the lifter oil hole will allow oil to flow, will not need much.
These lifters had the lower edge of the oil band sitting higher than a “normal” lifter, and when the lifter was near the very top of the lobe, the band was no longer exposed to the gallery, and effectively shuts off the oil supply from that point forward. Also if I have to use a die grinder to make this lifter work,I understand this are not the lifter one I need !
There are few cheaper one that have the oil band well located. Thank you,
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