Re: Bushing the lifter bores
[Re: hemienvy]
#3004053
01/11/22 09:05 AM
01/11/22 09:05 AM
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Joined: Jan 2003
Posts: 4,050 Shelby Twp. Mi
HardcoreB
master
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master
Joined: Jan 2003
Posts: 4,050
Shelby Twp. Mi
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"............ I think sleeves are .060~~.080 thick. Depends who does yours and what they use. They are sleeved for both oil control and indexing. Mine were 1" O.D. and were done by one of the few old school people locally, there was always stuff in there from out of state. But I've NEVER heard of the block breaking in that area after this was done.
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Re: Bushing the lifter bores
[Re: HardcoreB]
#3004147
01/11/22 02:25 PM
01/11/22 02:25 PM
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Joined: Nov 2020
Posts: 348 Isle of Sheeps
Gtxxjon
enthusiast
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enthusiast
Joined: Nov 2020
Posts: 348
Isle of Sheeps
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Now you have lol!
I have a 1972 hemi block where the lifter bore has 'let go'! Bushed on one side to control oiling to the crank.
I assume these 72 blocks are factory replacements for the racer guys?
I was told by the seller its an ex Sox and Martin, but I see no stamps... Painted a strange blue colour maybe Ford?
John
Last edited by Gtxxjon; 01/11/22 02:34 PM.
Carpe diem, quam minimum credula postero, thanx Horace!
There’s no point trying to fix stuff that ain’t broke,,, 'but if ain’t broke',,, you is not trying hard enough...
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Re: Bushing the lifter bores
[Re: 68rrunner]
#3004198
01/11/22 04:41 PM
01/11/22 04:41 PM
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Joined: Aug 2003
Posts: 43,204 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,204
Bend,OR USA
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Just out of curiosity, How much lift gets us in the range of unshrouding the oil passage? I didn't have any experience with bushing a stock block, but was interested in the bushings with the roller lifter guide built in so you didn't need a cross bar. Are these not a good idea on a factory street engine? it depends on which lifter and which camshaft core base circle cam i had one 1966 Street hemi block that unshrouded the driver side oil galley with a early set of solid roller lifters with the .750 diameter wheels on them, I'm not sure which brand they were but the cam was a old Crane SS cam with right at .500 lobe lift. The passenger side was good, so I block the left side galley off with a small welch plug and then had to add another one later in the car due to it turning sideways in the galley the motor was in the car when we fired it up and one or two lifters were lifting high enough to make the oil pressure bounce around between 50 to 70 lbs. cold, that problem was a challenge to find and fix., trust me We had race that motor with a solid flat tappet cam before with no issues so we knew it was something we had changed, challenging me to figure out what was causing the oil pressure problem I got lucky on that one Bushing the lifter bores first is way better to start with
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Bushing the lifter bores
[Re: Gtxxjon]
#3004461
01/12/22 09:30 AM
01/12/22 09:30 AM
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Joined: Jan 2003
Posts: 4,050 Shelby Twp. Mi
HardcoreB
master
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master
Joined: Jan 2003
Posts: 4,050
Shelby Twp. Mi
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Now you have lol!
I have a 1972 hemi block where the lifter bore has 'let go'! ...
John Respectfully, I stand by my opinion that; done correctly, something else in the block will let-go long before the valley.
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Re: Bushing the lifter bores
[Re: HardcoreB]
#3004531
01/12/22 01:22 PM
01/12/22 01:22 PM
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Joined: Dec 2005
Posts: 11,586 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,586
Fulton County, PA
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I've never seen a lifter bore blown out because of being bushed. If anything, I would think the bushing would reduce the likelihood of that. A flaw in the casting, crack, etc. might cause that.
The benefits far outweigh any possible downsides. And it is far better than using the tube in galley modification.
If the results don't match the theory, change the theory.
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Re: Bushing the lifter bores
[Re: Cab_Burge]
#3004800
01/13/22 07:39 AM
01/13/22 07:39 AM
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Joined: Nov 2020
Posts: 348 Isle of Sheeps
Gtxxjon
enthusiast
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enthusiast
Joined: Nov 2020
Posts: 348
Isle of Sheeps
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My mistake guys!
It’s the non bushed side that has “let go” maybe something got in there, when the rod broke doh
The 1972 426 hemi block is going into my Sox and Martin Duster clone.
It’s basically will be a ‘full size’ model kit clone lol...
HNY from Limey John
Last edited by Gtxxjon; 01/13/22 07:40 AM.
Carpe diem, quam minimum credula postero, thanx Horace!
There’s no point trying to fix stuff that ain’t broke,,, 'but if ain’t broke',,, you is not trying hard enough...
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Re: Bushing the lifter bores
[Re: CMcAllister]
#3004815
01/13/22 09:54 AM
01/13/22 09:54 AM
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Joined: May 2019
Posts: 713 Lake Villa Il
INTMD8
super stock
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super stock
Joined: May 2019
Posts: 713
Lake Villa Il
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If anything, I would think the bushing would reduce the likelihood of that. I agree. Lateral loads at the top of the lifter bore could be transferred through the base into the stronger section of the block, rather than just chunking the top of the bore off.
69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700
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Re: Bushing the lifter bores
[Re: rebel]
#3005166
01/14/22 09:17 AM
01/14/22 09:17 AM
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Joined: Nov 2020
Posts: 348 Isle of Sheeps
Gtxxjon
enthusiast
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enthusiast
Joined: Nov 2020
Posts: 348
Isle of Sheeps
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Wow Rebel, that is awesome! Wydendorfmachine company has cracked it with that reamer kit... I thought about this since seeing an industrial version at Tom Nelson race engines. He was doing race hemi blocks for 2000hp twin turbo injected cars. Think one was put into the silver Charger, “Maximus”...
Last edited by Gtxxjon; 01/14/22 09:21 AM.
Carpe diem, quam minimum credula postero, thanx Horace!
There’s no point trying to fix stuff that ain’t broke,,, 'but if ain’t broke',,, you is not trying hard enough...
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