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Bronze Lifter Bore Bushing on the Street - Experience?
#2410409
11/28/17 11:34 PM
11/28/17 11:34 PM
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Joined: Jan 2003
Posts: 4,275
Morrow, OH
markz528
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,275
Morrow, OH
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How much do bronze lifter bore bushings wear with a .650 lift mechanical roller cam? How will they survive on the street?
My bores are bad and need to be bushed.
Any experience running bronze lifter bore bushings on the street?
67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: markz528]
#2410413
11/28/17 11:41 PM
11/28/17 11:41 PM
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Joined: Nov 2004
Posts: 3,544
Syracuse,NY
CompWedgeEngines
master
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master
Joined: Nov 2004
Posts: 3,544
Syracuse,NY
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They are fine if the clearances are set right, they are honed round ( or bored on Rottler etc) and you get the right size oil hole for the application. I used to use one brand of lifter bushing, but have since switched to another brand, which seems to be a little more robust in the wear department.Its really all a case of having everything set up right for the combination and block ( oiling etc). I have more and more people bushing blocks now than before, and all without issue. Street and strip. Most will say ( or argue) , you should have cast iron for street use. Cant completely argue that, but it will really depend on how the car is used, miles, spring and lifter arrangements etc. There is more to it than just, " will it work", but for me, I wouldnt be afraid at all if done right.
RIP Monte Smith
Your work is a reflection of yourself, autograph it with quality.
WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: markz528]
#2410414
11/28/17 11:41 PM
11/28/17 11:41 PM
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Joined: Jan 2003
Posts: 11,718
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,718
Portage,michigan
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Ran them with a 699/672 roller in a small block for the 6 or 7 years i had that motor in a car i used to own.
Zero issues.
Ran the car on the street a bunch
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: CompWedgeEngines]
#2410461
11/29/17 12:57 AM
11/29/17 12:57 AM
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Joined: Jan 2003
Posts: 1,807
Mopar Country, Mi
ccdave
The Ultimate
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The Ultimate
Joined: Jan 2003
Posts: 1,807
Mopar Country, Mi
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They are fine if the clearances are set right, they are honed round ( or bored on Rottler etc) and you get the right size oil hole for the application. I used to use one brand of lifter bushing, but have since switched to another brand, which seems to be a little more robust in the wear department.Its really all a case of having everything set up right for the combination and block ( oiling etc). I have more and more people bushing blocks now than before, and all without issue. Street and strip. Most will say ( or argue) , you should have cast iron for street use. Cant completely argue that, but it will really depend on how the car is used, miles, spring and lifter arrangements etc. There is more to it than just, " will it work", but for me, I wouldnt be afraid at all if done right. Well said 
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: markz528]
#2410600
11/29/17 11:05 AM
11/29/17 11:05 AM
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Joined: Jan 2003
Posts: 4,448
Phoenix, AZ
MoparBilly
master
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master
Joined: Jan 2003
Posts: 4,448
Phoenix, AZ
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My X block small block has the lifters bushed with bronze bushings, no oil holes. It was ran for 560 passes as a bracket car before I bought it with a 296/557 MP cam. I put a Hughes flat tappet in it, around .580 lift, and put 120 more passes on it before I converted it to a street car and did Drag Week twice (about 2700 street miles). Then I stroked it with a bigger arm, went to a .600 lift flat tappet from Comp, and have since finished four more Drag Weeks and local cruises (about 5100 miles) and another 55 passes. So far, so good, no cam/lifter issues. 10.39-128 motor, 9.43-139 on a 165 shot.
"Livin' in a powder keg and givin' off sparks"
4 Street cars, 5 Race engines
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: markz528]
#2410666
11/29/17 01:16 PM
11/29/17 01:16 PM
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Joined: Jan 2003
Posts: 13,369
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,369
Marion, South Carolina [><]
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FWIW...my KB aluminum hemi block has no oiling to the lifters (solid rollers). Just a straight aluminum bore. Been that way for 10+ years now w/ a good bit of street time, no noticeable wear.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: an8sec70cuda]
#2410716
11/29/17 03:18 PM
11/29/17 03:18 PM
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Joined: Mar 2005
Posts: 1,581
N/E, Michigan
RATTRAP
pro stock
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pro stock
Joined: Mar 2005
Posts: 1,581
N/E, Michigan
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FWIW...my KB aluminum hemi block has no oiling to the lifters (solid rollers). Just a straight aluminum bore. Been that way for 10+ years now w/ a good bit of street time, no noticeable wear. Just curious if you or anyone running a aluminum block with out lifter bore sleeves have checked the lifter bores with a bore gauge to see if they have started to get egg shaped from ware.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: CompWedgeEngines]
#2410728
11/29/17 03:36 PM
11/29/17 03:36 PM
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Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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They are fine if the clearances are set right, they are honed round ( or bored on Rottler etc) and you get the right size oil hole for the application. My  ... don't use them without oiling holes to lube the bushing. About 5K miles on bronze-bushed lifter bores with a .400"-lobe SFT and NO oiling holes left definite wear "steps" in the bushings at the tops of the lifters' rise in the bushings. I've since switched to solid rollers and added holes to the bushings. I added the holes for the pressure-fed roller bearings, but in retrospect should have added them years earlier. The taller lifter bodies sit above the wear steps left from the flat-tappet lifters, so that doesn't appear to be an issue... at this point.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: BradH]
#2410743
11/29/17 04:02 PM
11/29/17 04:02 PM
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Joined: Nov 2004
Posts: 3,544
Syracuse,NY
CompWedgeEngines
master
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master
Joined: Nov 2004
Posts: 3,544
Syracuse,NY
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They are fine if the clearances are set right, they are honed round ( or bored on Rottler etc) and you get the right size oil hole for the application. My ... don't use them without oiling holes to lube the bushing. About 5K miles on bronze-bushed lifter bores with a .400"-lobe SFT and NO oiling holes left definite wear "steps" in the bushings at the tops of the lifters' rise in the bushings. I've since switched to solid rollers and added holes to the bushings. I added the holes for the pressure-fed roller bearings, but in retrospect should have added them years earlier. The taller lifter bodies sit above the wear steps left from the flat-tappet lifters, so that doesn't appear to be an issue... at this point. thumbs up on that.
RIP Monte Smith
Your work is a reflection of yourself, autograph it with quality.
WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: RATTRAP]
#2410754
11/29/17 04:16 PM
11/29/17 04:16 PM
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Joined: Jan 2003
Posts: 13,369
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,369
Marion, South Carolina [><]
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FWIW...my KB aluminum hemi block has no oiling to the lifters (solid rollers). Just a straight aluminum bore. Been that way for 10+ years now w/ a good bit of street time, no noticeable wear. Just curious if you or anyone running a aluminum block with out lifter bore sleeves have checked the lifter bores with a bore gauge to see if they have started to get egg shaped from ware. I have not, but I do check them for wear w/ the lifters at teardown. Kinda like checking valveguides, you get a feel for it. I've been surprised they haven't felt like they're loosening up.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: CompWedgeEngines]
#2411057
11/30/17 12:14 AM
11/30/17 12:14 AM
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Joined: Jan 2003
Posts: 4,275
Morrow, OH
markz528
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,275
Morrow, OH
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They are fine if the clearances are set right, they are honed round ( or bored on Rottler etc) and you get the right size oil hole for the application. I used to use one brand of lifter bushing, but have since switched to another brand, which seems to be a little more robust in the wear department.Its really all a case of having everything set up right for the combination and block ( oiling etc). I have more and more people bushing blocks now than before, and all without issue. Street and strip. Most will say ( or argue) , you should have cast iron for street use. Cant completely argue that, but it will really depend on how the car is used, miles, spring and lifter arrangements etc. There is more to it than just, " will it work", but for me, I wouldnt be afraid at all if done right. Thanks for all the replies! Based on feedback, I'm taking it to a different vendor than I planned. The new vendor will do it on a Rottler CNC. The others do it on a Bridgeport with a jig.
67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: markz528]
#2411059
11/30/17 12:20 AM
11/30/17 12:20 AM
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Superfreak
Unregistered
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Superfreak
Unregistered
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I just got my new hemi iron block from FHO yesterday and the lifter bores are bushed with the oil holes and this will be a street/strip combo.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: markz528]
#2411279
11/30/17 02:16 PM
11/30/17 02:16 PM
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Joined: Jan 2004
Posts: 8,290
fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,290
fredericksburg,va
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Wasted effort for the street. Like putting on a fire suit to go to the grocery store.
Last edited by cudaman1969; 11/30/17 02:17 PM.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: CompWedgeEngines]
#2411315
11/30/17 03:37 PM
11/30/17 03:37 PM
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Joined: Mar 2008
Posts: 292
NY
challenger451ci
enthusiast
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enthusiast
Joined: Mar 2008
Posts: 292
NY
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They are fine if the clearances are set right, they are honed round ( or bored on Rottler etc) and you get the right size oil hole for the application. My ... don't use them without oiling holes to lube the bushing. About 5K miles on bronze-bushed lifter bores with a .400"-lobe SFT and NO oiling holes left definite wear "steps" in the bushings at the tops of the lifters' rise in the bushings. I've since switched to solid rollers and added holes to the bushings. I added the holes for the pressure-fed roller bearings, but in retrospect should have added them years earlier. The taller lifter bodies sit above the wear steps left from the flat-tappet lifters, so that doesn't appear to be an issue... at this point. thumbs up on that. Anyone have a trick for drilling oil holes on bushed lifter bores that are already installed? We have a block that was bushed with no oil holes. It took out a lifter. Not saying it was 100% caused by the lack of oil feed, but I'd sleep better knowing it had some pressure feeding the lifter bores this time around.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: challenger451ci]
#2411364
11/30/17 04:54 PM
11/30/17 04:54 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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MP use to sell a lifter tool that would work.. I have one that I bushed down so I could do it.. normally you would have the bushing drilled before pressing it in... The tool is P4120603.. its part of the reaming package for drilling and reaming a SB for doing roller lifters.. I pressed in a piece of steel then drilled it for a .030 drill bit.. you might see if that will work(the tool was cut on a angle to intersect the bushings) 
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: rebel]
#2411379
11/30/17 05:25 PM
11/30/17 05:25 PM
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Joined: Jan 2003
Posts: 16,376
dogdays
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,376
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It seems that some people DO need that firesuit!
There are plenty of bronze valve guides running around on the streets.
Would a pro answer this question? Is there any difference between bushing the block using a jig or by using a Bridgeport milling machine? Seems to me if the machinist took time to measure the spacing it would be as good as using a jig. Probably the jig would take less setup time though.
R.
Last edited by dogdays; 11/30/17 05:27 PM.
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Re: Bronze Lifter Bore Bushing on the Street - Experience?
[Re: MR_P_BODY]
#2411487
11/30/17 10:29 PM
11/30/17 10:29 PM
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Joined: Mar 2008
Posts: 292
NY
challenger451ci
enthusiast
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enthusiast
Joined: Mar 2008
Posts: 292
NY
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MP use to sell a lifter tool that would work.. I have one that I bushed down so I could do it.. normally you would have the bushing drilled before pressing it in... The tool is P4120603.. its part of the reaming package for drilling and reaming a SB for doing roller lifters.. I pressed in a piece of steel then drilled it for a .030 drill bit.. you might see if that will work(the tool was cut on a angle to intersect the bushings) Ok, I think I follow. Basically I need to make a solid slug that fits the lifter bore. Drill a hole at an angle and use it as a guide. Makes sense. Thanks!
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