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ozsqrbck69
Samba Member
Joined: March 07, 2007
Posts: 77
Location: australia
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 Posted: Mon Aug 18, 2008 1:44 pm Post subject: CranK |
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| Hope you can answer this for me! What is the difference between CB 69mm forged chromoly crank part#1105 and 69mm rev power welded counterweighted part#1110? Which crank is the better of the two? |
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miniman82
Samba Swamp Donkey
Joined: March 22, 2005
Posts: 9515
Location: Southern Maryland
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| Posted: Mon Aug 18, 2008 1:58 pm Post subject: |
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The 1105 is just a cheap 4130 Chinese forging, so most people will steer you clear of them for that reason alone. I personally don't have any issues with the China cranks, I have a 4340 in my 1915 turbo and it's held up so far.
As for the 1110, I wouldn't use that one either. I've seen that exact crank break into 2 pieces, and it wasn't being abused either. My opinion is that if you want a quality C/W crank, go to someone who does it all the time- DPR and De Mello to name a few. You'll get quality German stuff from them, not Chinese.
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Build thread: http://www.thesamba.com/vw/forum/viewtopic.php?t=212747
| Glenn wrote: |
| satterley_sr wrote: |
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Welcome to the Samba. |
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ozsqrbck69
Samba Member
Joined: March 07, 2007
Posts: 77
Location: australia
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| Posted: Tue Aug 19, 2008 1:31 am Post subject: |
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| Thanks for the feedback! Does any 1 else have any input into this? |
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dubkrzy
Samba Member
Joined: July 02, 2006
Posts: 485
Location: One step behind
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| Posted: Tue Aug 19, 2008 7:03 am Post subject: |
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DPR  |
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turboblue
Samba Member
Joined: October 09, 2003
Posts: 4216
Location: Central Indiana
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| Posted: Tue Aug 19, 2008 8:28 am Post subject: |
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| miniman82 wrote: |
As for the 1110, I wouldn't use that one either. I've seen that exact crank break into 2 pieces, and it wasn't being abused either. My opinion is that if you want a quality C/W crank, go to someone who does it all the time- DPR and De Mello to name a few. You'll get quality German stuff from them, not Chinese. |
CB gets that crank from either mfg, DPR or DMS.
The 1110 is an 69 stroke VW forged crank that has been reground and counterweighted.
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Gary
Turbo VW Sand Drag Buggy
"If you don't run into the Devil every once in awhile, you must be going in the same direction!" |
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tonguetied56
Samba Member
Joined: September 05, 2011
Posts: 3
Location: michigan
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| Posted: Mon Apr 15, 2013 8:45 pm Post subject: crankshafts |
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| On the subject of Cranks, it would be better to use a German crank I guess but it is only a rumor in my opinion. as far as a legendary De Mello crank, I guess that is just an Urban legend as I have bought and paid for one and have been lied to and hoodwinked over but have never recieved and am out $865.00. I would rather run through some chinese cranks that actually exist. Fortunately, I have Discover card in my corner. |
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mark tucker
Samba Member
Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Tue Apr 16, 2013 9:41 am Post subject: |
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hmm my new drd crank seems to be in the same china box as the cb crank in my other motor.....they must buy china boxes so they can sell the expensive german cranks at china prices. Ive never used a vw crank in any vw motor of mine. Ive never had any crank issues. I have used the welded cw cranks on others motors, with no issues other than a lot more deburring of the cranks before usage. after drilling the first vw crank I had ever done(for extra dowels)I decided not to use them do to it drilling as easy as aluminum.I dont want a soft crank.are they all like that?? I dont have a clue.I do have a unused welded 78.4 cw crank I bought & never used.will I ever use it....probably not.but the quality looks very good& I send him my cranks to balance.
so get what you want the choice is yours,if everything is right you should not have any issues with any of it. I have close to 70000 miles on a scat 78.8 cast crank. I also use coated bearings in my motors, they are well worth the cost. if you have issues with something in the motor you will have problems if it's not corrected before it's done. it's not majick, just look at how many cars are out there built by the millions, with new parts that speck out corectly and are slaped togeather. rembember, if there is shit in the motor, shit happens. |
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jfats808
Samba Member
Joined: December 10, 2007
Posts: 5022
Location: oahu hawaii
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| Posted: Tue Apr 16, 2013 9:52 am Post subject: |
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Scat is the best chinese crank. If i will use one for my own builds i pick this one first. Second choice are dpr/dms. These are of the "affordable" choices. Chinese std cranks are good imo up to 200+hp. Some are using it much more, but that is what id feel comfortable using it up to. All my personal engines use Scat or dpr cranks.
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slalombuggy
Samba Member
Joined: July 17, 2010
Posts: 9147
Location: Canada
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| Posted: Tue Apr 16, 2013 12:03 pm Post subject: |
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I have no problems with my CB forged cranks at all. They are not forged at the same factory as the Empi and other generic forged cranks. they are forged to their specs at a different facility.
brad |
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Danwvw
Samba Member
Joined: July 31, 2012
Posts: 8892
Location: Oregon Coast
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Joe Bence
Samba Member
Joined: March 14, 2004
Posts: 501
Location: San Diego, CA
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Frank Bassman
Samba Member
Joined: July 01, 2012
Posts: 894
Location: Miami
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| Posted: Fri Feb 12, 2016 7:00 pm Post subject: Re: CranK |
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I used CB's 74 mm counterweighted crank, and it was bang on the money all around. I too was skeptical about the "demon china cranks" but like Mark says, if there's shit in the motor shit will happen. 10K miles since build and counting at a rate of 250-300 miles per week...
-Frank |
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modok
Samba Member
Joined: October 30, 2009
Posts: 26789
Location: Colorado Springs
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| Posted: Fri Feb 12, 2016 8:44 pm Post subject: Re: crankshafts |
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| tonguetied56 wrote: |
| On the subject of Cranks, it would be better to use a German crank I guess but it is only a rumor in my opinion. as far as a legendary De Mello crank, I guess that is just an Urban legend as I have bought and paid for one and have been lied to and hoodwinked over but have never recieved and am out $865.00. I would rather run through some chinese cranks that actually exist. Fortunately, I have Discover card in my corner. |
Sorry about that. Bob's getting old, and on mental vacation most of the time, but he still does a very good job.....eventually, sometimes. LOL
I found on a 74mm CB crank the dowel pin pattern was off center by .002"
I had to find a flywheel that was off center a similar amount and line it up the right way to make it work. Never before had that problem. I checked a EMPI 78 stroke I had on the shelf and the dowel pattern was perfectly centered. Just one more thing to check...........
watch out! |
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