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Re: King engine bearings
[Re: '72CudaRacer]
#3121638
02/14/23 11:45 PM
02/14/23 11:45 PM
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Joined: Mar 2005
Posts: 1,547
Seattle, WA
375inStroke
Special needs person
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Special needs person
Joined: Mar 2005
Posts: 1,547
Seattle, WA
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I used them in an endurance track car, and it went a few dozen races going full throttle in 24 and 36 hour races without a problem.
Last edited by 375inStroke; 02/14/23 11:46 PM.
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Re: King engine bearings
[Re: 10secchallenger]
#3121664
02/15/23 07:36 AM
02/15/23 07:36 AM
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Joined: Jan 2003
Posts: 6,444
Abilene, Texas
fastmark
master
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master
Joined: Jan 2003
Posts: 6,444
Abilene, Texas
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Id like to get some opinions/feedback on some engine bearings. I’m in the process of getting parts together to build a 408. I’ve always used clevite for years. I was going to use clevite H series bearings in this engine. After a conversation with molnar, which by the way is the crank and rods that with be going in this engine. All I could find in clevite is full groove mains. While some say that’s fine while others say half groove is better. The engine will see some street time, but will mostly be run at the track.
Molnar recommends the king bearings because the tolerances are much more within spec than clevites. Has anyone used king engine bearings? What did you like about them, what don’t you like?
The king bearings I was looking at is
MB517XP- mains
CR805XPN-rods
Well isn’t this perfect timing! #$-%+&#—=&. I just ordered Clevite H seties bearings for my 418 stroker with Molnar crank and rods! Why didn’t you bring this up earlier? If it weren’t for bad luck, I guess I’ve have no luck at all. I started to call Molnar but I didn’t. Crap. crap. But to answer your question, I’ve used king bearings on a big block and was happy with them. They are a little tighter in clearance if I remember correctly. I considered them for this build but they were not available from summit at the time with a long wait before they were able to ship. I guess I need to call Molnar now.
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Re: King engine bearings
[Re: fastmark]
#3121665
02/15/23 07:45 AM
02/15/23 07:45 AM
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Joined: Aug 2006
Posts: 601
Usa
10secchallenger
OP
mopar
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OP
mopar
Joined: Aug 2006
Posts: 601
Usa
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Id like to get some opinions/feedback on some engine bearings. I’m in the process of getting parts together to build a 408. I’ve always used clevite for years. I was going to use clevite H series bearings in this engine. After a conversation with molnar, which by the way is the crank and rods that with be going in this engine. All I could find in clevite is full groove mains. While some say that’s fine while others say half groove is better. The engine will see some street time, but will mostly be run at the track.
Molnar recommends the king bearings because the tolerances are much more within spec than clevites. Has anyone used king engine bearings? What did you like about them, what don’t you like?
The king bearings I was looking at is
MB517XP- mains
CR805XPN-rods
Well isn’t this perfect timing! #$-%+&#—=&. I just ordered Clevite H seties bearings for my 418 stroker with Molnar crank and rods! Why didn’t you bring this up earlier? If it weren’t for bad luck, I guess I’ve have no luck at all. I started to call Molnar but I didn’t. Crap. crap. But to answer your question, I’ve used king bearings on a big block and was happy with them. They are a little tighter in clearance if I remember correctly. I considered them for this build but they were not available from summit at the time with a long wait before they were able to ship. I guess I need to call Molnar now. Molnar didn’t say the clevite H series bearings weren’t any good, they just said you may have to mix and match more of the bearings to get where you need to be within the specs required. I know guys who use the H series bearings without any issues. I’ve used the clevite p series bearings in my 440. I didn’t have any problems, but that was 20 years ago.
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Re: King engine bearings
[Re: Cab_Burge]
#3121720
02/15/23 12:51 PM
02/15/23 12:51 PM
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Joined: Jan 2003
Posts: 17,926
S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,926
S.E. Michigan
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P bearings are the tri metal type.
Rich H.
Esse Quam Videri
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Re: King engine bearings
[Re: ZIPPY]
#3121721
02/15/23 12:59 PM
02/15/23 12:59 PM
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Joined: Jan 2003
Posts: 13,417
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,417
Marion, South Carolina [><]
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I've had better luck w/ Clevite and Speed Pro main bearings having the clearances I needed. The newer Speed Pro bearings haven't been as good. The last freshen up I did on my hemi, I had a set of main bearings from all 3 manufacturers and the Clevites measured the best for me.
The King rod bearings have been spot on though.
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: King engine bearings
[Re: Cab_Burge]
#3121734
02/15/23 01:39 PM
02/15/23 01:39 PM
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Joined: Jan 2004
Posts: 4,594
Motor City
6PKRTSE
master
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master
Joined: Jan 2004
Posts: 4,594
Motor City
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I like King bearings better than Clevite and F.M. bearings. I have been able to get the clearances needed easier with Kings readily available. Seem Clevite is on back order alot. Also, Kings come coated already where Clevites cost extra for coated bearings.
Last edited by 6PKRTSE; 02/15/23 04:28 PM.
1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.
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Re: King engine bearings
[Re: 6PKRTSE]
#3121781
02/15/23 04:13 PM
02/15/23 04:13 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
pro stock
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pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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I recently built a 2nd SB stroker 410 (360 block). The machine shop I dealt with told me that the Clevite main bearings were on a 2-year back-order... same with SealedPower/Speed Pro mains and rod bearings! They searched for King bearings and said they were better fitting than the previous Clevites (as commonly supplied in Kits).... more desirable clearances with King. My engine is running great!
In my opinion, from what I've been reading in some technical journals, King bearings are a secret for the racers wanting the best!
The old 3/4 grooved mains from Sealed Power/Speed Pro are a more preferred design vs half or fully grooved mains, but... they've been discontinued due to poor sales volume.... too bad.
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: King engine bearings
[Re: fastmark]
#3122257
02/17/23 09:36 AM
02/17/23 09:36 AM
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Joined: Dec 2006
Posts: 3,397
Pa
Hot 340
master
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master
Joined: Dec 2006
Posts: 3,397
Pa
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Hot 340. Wow! That is not the place you want your bearing to be tight. They are supposed to have MORE clearance at the parting line. Otherwise it acts like a scraper and removes oil from that area of the crank. Not good. I’ve had trouble in the past with the getting the clearance I desire with some of the newer bearings. I was happy with the clearance on the last set of King bearing I bought. I may just order the King bearing and wait. That is exactly what happened. It wiped the oil and left starvation/debris trail on the bearing area the tangs were in line with. The bearings looked good otherwise, good crush ect (they have that burnt look in pics because their hp bearings have no cosmetic flashing and lighting is bad).. Always liked Clevites, well, scratch off another. These were put in in 2018 so they fairly new manufacture. I have a set of King 806HPND on the way
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Re: King engine bearings
[Re: fastmark]
#3122392
02/17/23 05:20 PM
02/17/23 05:20 PM
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Joined: Dec 2006
Posts: 3,397
Pa
Hot 340
master
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master
Joined: Dec 2006
Posts: 3,397
Pa
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Hot 340. Are these the Clevite H series coated and narrow bearings? CB481HN is what I just got in. Yes, Clevite CB527HND. Standard size big block rod journal
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Re: King engine bearings
[Re: Hot 340]
#3122484
02/18/23 06:11 AM
02/18/23 06:11 AM
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Joined: Jan 2003
Posts: 6,444
Abilene, Texas
fastmark
master
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master
Joined: Jan 2003
Posts: 6,444
Abilene, Texas
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Hot 340. Are these the Clevite H series coated and narrow bearings? CB481HN is what I just got in. Yes, Clevite CB527HND. Standard size big block rod journal Well. Many thanks for posting those pictures. I just got these in and my plans were to prep and measure for assembly this weekend. Looks like I need to get back to that important checker game instead of wasting time on this build and order some king bearings. At least I have not opened the packages so I can get my money back.
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Re: King engine bearings
[Re: fastmark]
#3122621
02/18/23 07:05 PM
02/18/23 07:05 PM
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Joined: Dec 2006
Posts: 3,397
Pa
Hot 340
master
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master
Joined: Dec 2006
Posts: 3,397
Pa
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Hot 340. Are these the Clevite H series coated and narrow bearings? CB481HN is what I just got in. Yes, Clevite CB527HND. Standard size big block rod journal Well. Many thanks for posting those pictures. I just got these in and my plans were to prep and measure for assembly this weekend. Looks like I need to get back to that important checker game instead of wasting time on this build and order some king bearings. At least I have not opened the packages so I can get my money back. You bet. Glad i could help.👍
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