Re: Ritter racing block design flaw
[Re: WHITEDART]
#2525866
07/23/18 02:28 PM
07/23/18 02:28 PM
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Joined: Jan 2005
Posts: 2,540 Milwaukee WI
TRENDZ
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master
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Milwaukee WI
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I don’t think drilling and plugging would be a good choice. From the looks of the pictures you posted, the cam bearings are either fretting or rotating in the block on occasion. The oil may be saving you on that front. If the oil drillings are .250”... At 100 psi of oil pressure, the exerted force on that square area is under 5 pounds of outward force. Not enough to open that crack in my opinion.
"use it 'till it breaks, replace as needed"
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Re: Ritter racing block design flaw
[Re: TRENDZ]
#2525867
07/23/18 02:32 PM
07/23/18 02:32 PM
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Joined: Oct 2011
Posts: 3,036 bean town ....Ca
WHITEDART
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bean town ....Ca
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No rotation of the bearing noted this time they were installed with Loctite . where we are going to plug them off is down at the mains.. I think the idea of expansion through heat and and pressured lubrication is less than ideal at this point. This is the fix that is recommended to me by the machine shop that I use.. although the cracks are relatively small in nature multiplied times 3 it could end up being a fairly substantial oil leak causing issues other places in the motor I just assumed stop the oil from going there because it is no longer needed with the roller cam bearings
Last edited by WHITEDART; 07/23/18 02:43 PM.
In the 8s N/A.with Brett miller W8's 5.07 at 133 at 2700lb
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Re: Ritter racing block design flaw
[Re: J_BODY]
#2526373
07/24/18 01:17 PM
07/24/18 01:17 PM
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Joined: Oct 2011
Posts: 3,036 bean town ....Ca
WHITEDART
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Probably pretty far out there..... but could this possibly be another effect from when you were beating stuff up in your E85 days? Jay that's a valid question.. but I don't see how the two could correlate
In the 8s N/A.with Brett miller W8's 5.07 at 133 at 2700lb
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2526396
07/24/18 01:58 PM
07/24/18 01:58 PM
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Joined: Jan 2003
Posts: 19,382 Las Vegas
Al_Alguire
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For anyone who thinks Ritter is not aware of all of these issues with this generation of their stuff you would be sadly mistaken. They are fully well aware of the issues, and they are numerous.
As for the cracks we run a 60MM in a SB Chevy Dart Block that sees a fair amount of spring pressure and makes a bit of power and has no cracks at all around the cam tunnel. We just replaced that block this winter, BTW took 7 months and was well over $7K when done, just for those who think its only Mopar guys waiting for blocks. It did have some custom things done to it but nothing crazy, really just relocating the lifter bores so we could have better alignment with the heads we run and get away from the 1/2" wide cam bearings we had been using..
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: Ritter racing block design flaw
[Re: madscientist]
#2526682
07/25/18 12:07 AM
07/25/18 12:07 AM
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Joined: Oct 2011
Posts: 3,036 bean town ....Ca
WHITEDART
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Right. The fracture is from the cam bearing bore down the bulkhead to the main bore. I've seen it plenty. I've never been able to say exactly why they fracture there, other than a guess.
I'm going to do a google image search and see what shows up. wondering how your Google search was going.. I couldn't find much information on the web where cracking race blocks was coming
Last edited by WHITEDART; 07/25/18 12:35 AM.
In the 8s N/A.with Brett miller W8's 5.07 at 133 at 2700lb
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2526688
07/25/18 12:18 AM
07/25/18 12:18 AM
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Joined: Sep 2014
Posts: 4,457 Washington
madscientist
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Washington
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Right. The fracture is from the cam bearing bore down the bulkhead to the main bore. I've seen it plenty. I've never been able to say exactly why they fracture there, other than a guess.
I'm going to do a google image search and see what shows up. wondering how your Google search was going.. I couldn't find much information on the web we're cracking race blocks were coming I found several on Google. I've seen many more with my own eyes.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2526780
07/25/18 10:44 AM
07/25/18 10:44 AM
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Joined: Jan 2003
Posts: 13,385 Marion, South Carolina [><]
an8sec70cuda
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I Live Here
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We've been beating on a 436" SBC (somewhere north of 700 hp) built w/ a Dart Little M block for well over 10 years and never had any cracks. Never heard of any Dart iron blocks cracking like this.
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: Ritter racing block design flaw
[Re: madscientist]
#2526813
07/25/18 11:40 AM
07/25/18 11:40 AM
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Joined: May 2003
Posts: 13,202 aZLiViN
J_BODY
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madscientist] I found several on Google.
I've seen many more with my own eyes. Didn’t find much myself.... just some stuff concerning some old ford FE blocks. Don’t recall ever hearing this concerning any Mopar block, stock or R3.
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Re: Ritter racing block design flaw
[Re: J_BODY]
#2526817
07/25/18 11:50 AM
07/25/18 11:50 AM
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Joined: Oct 2011
Posts: 3,036 bean town ....Ca
WHITEDART
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I understand the anything can be broke.. if this was a boosted application making 2000 horsepower I can understand some movement and potential cracking.. but there is obviously a design flaw with this area of the block. We are going to run it with the cracks.. maybe it will continue to get worse or maybe the block has done what it's going to do and is stable now. The only thing that I can hope for is if the block goes it doesn't take a whole bunch of quality pieces with it
In the 8s N/A.with Brett miller W8's 5.07 at 133 at 2700lb
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2526835
07/25/18 12:21 PM
07/25/18 12:21 PM
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Joined: Feb 2005
Posts: 20,197 PA.
pittsburghracer
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"Little"John
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There have been posts on Yellowbullet about Chevy aftermarket block issues but I didn’t have enough interest in them to read the posts. I do know from my friends that LS engines eat cam bearings rather quickly.
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2526873
07/25/18 01:33 PM
07/25/18 01:33 PM
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Joined: Jan 2003
Posts: 19,382 Las Vegas
Al_Alguire
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I Live Here
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LS engines have issues with the oil pump design that leads to their issues for the most part. Its just the way they drive the pump that becomes an issues with them especially the NA stuff that sees 8500+ rpm regularly where it really starts to show.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2527099
07/25/18 09:19 PM
07/25/18 09:19 PM
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Joined: Jan 2003
Posts: 20,205 Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
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Park Forest, IL
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There's a new Ritter iron block that's been at the ICH Swap for sale for a couple years at least. I asked one of the local Mopar small block guys about buying it. He said to run away because it has "issues". He did not elaborate.
"Everybody funny, now you funny too."
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Re: Ritter racing block design flaw
[Re: WHITEDART]
#2527106
07/25/18 09:34 PM
07/25/18 09:34 PM
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Joined: Nov 2010
Posts: 1,397 Carson City, Nevada
Biginchmopar
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pro stock
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Posts: 1,397
Carson City, Nevada
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I'm hoping to make good power out of my deal, I guess time will tell. If mine makes good power and has no issues then what?
I know Dart said they would make a block but that is a couple years away at least.
I'm telling you guys my block is different than Whitedart's but nobody is listening
Whitedart's block was an earlier version and the people that machined it are no longer doing the work for Ritter. Ritter moved all his stuff to a new facility with way better machines. I got blocks #3 and #4, who got #1, #2, #5, #6 and #7?
Nobody on this board I guess
Anyways Whitedart's block has problems and I wish him the best, he has one of the best machine shops in the US working on his stuff so he is in good hands.
These type of build are rare and even more rare because they are Mopars.
Like I said stay tuned.
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