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solid roller lifters in an unbushed RB block #2950265
08/04/21 01:52 AM
08/04/21 01:52 AM
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Graz, Austria
DGS Offline OP
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Which solid lifters work in an unbushed RB block? Specifically interested in the BAM steel axle lifters..
Most info I found is in connection with SBs where some lifters (skirted) work and some don't (have oil gushing out at the bottom of the lifter when used in a non bushed block).

Thanks

Re: solid roller lifters in an unbushed RB block [Re: DGS] #2950305
08/04/21 09:12 AM
08/04/21 09:12 AM
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Ontario, Canada
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Stanton Offline
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Crane 66550 work. They're skirted and they have roller oiling.

Re: solid roller lifters in an unbushed RB block [Re: Stanton] #2950886
08/05/21 10:27 PM
08/05/21 10:27 PM
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New York, USA
Chargerfan68 Offline
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The Comp Sportsman bushed are very nice and pricey, but they are made on the small spec. I’ve used them on my motor and another guys motor. Both have a little excessive clearances and lower oil pressure at idle. Both ended up at between .029” and .033” lifter/bore. So i wouldn’t use them again on a stock unbushed block. Just my experience and fyi


1.50 60Ft. , 10.75@ 127MPH Hauling 3900 LBS.
Re: solid roller lifters in an unbushed RB block [Re: DGS] #2950955
08/06/21 07:59 AM
08/06/21 07:59 AM
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Apollo, PA.
B1MAXX Offline
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Comp 829's, or howards used them many times.

Re: solid roller lifters in an unbushed RB block [Re: DGS] #2950964
08/06/21 09:26 AM
08/06/21 09:26 AM
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Milwaukee WI
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TRENDZ Offline
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Don’t have the specific info you are looking for. I do have relevant info though. I have used bams in sbc engines. They are high quality. As far as your application, I would suggest the solid body crower lifter. No oil band cut to deal with.


"use it 'till it breaks, replace as needed"
Re: solid roller lifters in an unbushed RB block [Re: Chargerfan68] #2950967
08/06/21 09:35 AM
08/06/21 09:35 AM
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New York
polyspheric Offline
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.029” and .033” lifter/bore
Did you mean .0029" and .0033"?
What you wrote has no oil pressure.


Boffin Emeritus
Re: solid roller lifters in an unbushed RB block [Re: polyspheric] #2950992
08/06/21 10:35 AM
08/06/21 10:35 AM
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New York, USA
Chargerfan68 Offline
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Originally Posted by polyspheric
.029” and .033” lifter/bore
Did you mean .0029" and .0033"?
What you wrote has no oil pressure.


Sorry….yes i meant .0029-.0033” clearances.


1.50 60Ft. , 10.75@ 127MPH Hauling 3900 LBS.
Re: solid roller lifters in an unbushed RB block [Re: Chargerfan68] #2951049
08/06/21 12:54 PM
08/06/21 12:54 PM
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north of coder
moparx Offline
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Originally Posted by Chargerfan68
Originally Posted by polyspheric
.029” and .033” lifter/bore
Did you mean .0029" and .0033"?
What you wrote has no oil pressure.


Sorry….yes i meant .0029-.0033” clearances.




i was wondering myself how any oil pressure was produced with .029 clearance in the lifter bore ! eek
glad that was a MIS-print !
beer

Re: solid roller lifters in an unbushed RB block [Re: moparx] #2951054
08/06/21 01:16 PM
08/06/21 01:16 PM
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Ontario, Canada
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Stanton Offline
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Quote
No oil band cut to deal with


The oil band isn't the issue, the issue is exposing the oil passage at full lift because the wheel isn't shrouded.

Re: solid roller lifters in an unbushed RB block [Re: Stanton] #2951242
08/06/21 11:06 PM
08/06/21 11:06 PM
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Rittman Ohio
fourgearsavoy Offline
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The BAM lifters on the Hughs Engines site advertises fully skirted roller wheel pocket so there shouldn't be an issue.

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
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Dana 60
Re: solid roller lifters in an unbushed RB block [Re: fourgearsavoy] #2951269
08/07/21 01:12 AM
08/07/21 01:12 AM
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Lake Villa Il
INTMD8 Offline
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Would like to see a photo of that. I've not seen a set of bam lifter fully shrouded, as to do so would compromise wheel diameter. (but possible, sure).

What I did is order lifters first, then drop them to within .100 of uncovering oil gallery to determine base circle. Then from there, bring it to .100 of max lift before uncovering oil gallery to determine max lobe lift.

Probably could go further but didn't need to for what I'm trying to do.

Guess what I'm trying to say is, if you're trying to get the most out of an unbushed block, IMO, the best you can do is measure.


69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700
Re: solid roller lifters in an unbushed RB block [Re: INTMD8] #2951931
08/09/21 04:16 AM
08/09/21 04:16 AM
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Graz, Austria
DGS Offline OP
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Originally Posted by INTMD8
Would like to see a photo of that. I've not seen a set of bam lifter fully shrouded, as to do so would compromise wheel diameter. (but possible, sure).

What I did is order lifters first, then drop them to within .100 of uncovering oil gallery to determine base circle. Then from there, bring it to .100 of max lift before uncovering oil gallery to determine max lobe lift.

Probably could go further but didn't need to for what I'm trying to do.

Guess what I'm trying to say is, if you're trying to get the most out of an unbushed block, IMO, the best you can do is measure.





Yeah, I was thinking about doing the same (measuring). A smaller base circle is one of the options (besides bushing the block) to make non skirted lifters work.
The BAM Chrysler roller lifters all have a .815" wheel - no idea if skirting is possible with the bigger wheel and a .903" diameter...

Re: solid roller lifters in an unbushed RB block [Re: DGS] #2952055
08/09/21 02:09 PM
08/09/21 02:09 PM
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Prospect, PA
BSB67 Offline
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Maybe share your intended lobe or valve lift with rocker ratio.

Re: solid roller lifters in an unbushed RB block [Re: BSB67] #2952083
08/09/21 03:21 PM
08/09/21 03:21 PM
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Walton's Mountain, Pa
Steve1118 Offline
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I've used Doug Herbert's for years. Reasonably priced, reliable.


"Old age and treachery trumps youth and enthusiasm, every time!"

East Central Director / Chrysler Power Magazine

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Re: solid roller lifters in an unbushed RB block [Re: Steve1118] #2952103
08/09/21 04:19 PM
08/09/21 04:19 PM
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NE Ohio
DoubleD Offline
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For an unbushed big block - the Comp Cams 829 -16 solid body lifters is what I have always used

Re: solid roller lifters in an unbushed RB block [Re: DoubleD] #2952105
08/09/21 04:23 PM
08/09/21 04:23 PM
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Bend,OR USA
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Cab_Burge Offline
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Originally Posted by DoubleD
For an unbushed big block - the Comp Cams 829 -16 solid body lifters is what I have always used
iagree They work good on all the motors I've used them on up scope


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: solid roller lifters in an unbushed RB block [Re: INTMD8] #2952739
08/11/21 09:34 AM
08/11/21 09:34 AM
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Canada
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Criterion Offline
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Originally Posted by INTMD8
Would like to see a photo of that. I've not seen a set of bam lifter fully shrouded, as to do so would compromise wheel diameter. (but possible, sure).


These are the BAM lifters with the 0.815" rollers: http://www.hughesengines.com/Index/...amp;level1=TGlmdGVycw==&partid=31343


I bought mine 6 years ago when MRL had started selling them and they have proven to be excellent in my application (unbushed 400 block, street roller w/ ~0.640" gross lift w/ 1.5:1 rockers). I did have to do some clearancing on the passenger side-rear of the valley, because the link-bars are thicc boys that would rub the block.

Re: solid roller lifters in an unbushed RB block [Re: Criterion] #2952769
08/11/21 11:13 AM
08/11/21 11:13 AM
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Lake Villa Il
INTMD8 Offline
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^ Thanks, I've never seen those.


69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700






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