Callies Compstar Crank?
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
Callies Compstar Crank? Can you have these turned? I had a bad experience with a builder and he didnt tighten 2 rod bolts and one we caught and the other was broke off! Any who, it put a knick about the size of a ball point pen and some light scuffings. I just want to know what your guys opinions on turning one of these 10 over or possibly welding it and have it cleaned up. I know some people don't recommend turning it and just looking for options!
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
of course its going to get check out at the machine shop... the shop its getting built at said its fine but some people i talk to said no dont do it! just trying to get some opinions !
Some people keep regurgitating what they read on the Internet about the nitriding being taken off, thinking that the crank will somehow come apart without it. In the real world, it's been done over and over again on cranks that have seen over 1000hp. Turning the crank .010" is no big deal.
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
I did a bit of research on here but didnt really get a real answer, so thats why i made a new post... but i appreciate the info ive been getting so far.... Also im sure you have seen my post in the texas section
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Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
on the acl bearings i can use those with this crank correct?
I know its suppose to use a ceramic coated bearing or whatever...please correct me if im wrong
I know its suppose to use a ceramic coated bearing or whatever...please correct me if im wrong
http://www.aclperformance.com.au/us/...Bearingsus.htm
You could send them out and have them coated
Mine are not it is not something you have to do with any crank. It provides a little protection but it is not going to save you if you have issues.
Tim
You could send them out and have them coated
Mine are not it is not something you have to do with any crank. It provides a little protection but it is not going to save you if you have issues.
Tim
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
http://www.aclperformance.com.au/us/...Bearingsus.htm
You could send them out and have them coated
Mine are not it is not something you have to do with any crank. It provides a little protection but it is not going to save you if you have issues.
Tim
You could send them out and have them coated
Mine are not it is not something you have to do with any crank. It provides a little protection but it is not going to save you if you have issues.
Tim
Thread Starter
Joined: Apr 2007
Posts: 595
Likes: 14
From: Dallas/Lancaster
Also do you see any issue with the crank being turned over 20 on the main journal side?
Launching!
Joined: Jul 2010
Posts: 238
Likes: 0
mines possibly getting turned and getting .010 as a lot of machine shops here have found some problems with the cheaper chinese made cranks and matching bearings even if they state finished in America, most are like Scat cranks but there having that many like this they recommended it. It also takes them longer matching up x-amount of different bearing sizes compared to just turning them to suit a set of bearings from the start.
There going to check them first and make sure there all ok then give me the option of turning them if one or more are off or if ok then not having to turn them.
And there not the only machine shop here that have mentioned this too me as well as shops selling the bearings.
There going to check them first and make sure there all ok then give me the option of turning them if one or more are off or if ok then not having to turn them.
And there not the only machine shop here that have mentioned this too me as well as shops selling the bearings.
