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Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead


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Topic: SCAT Crankshaft Email this topic to a friend | Subscribe to this TopicReport this Topic to Moderator
Page 1 of 1   of  17 replies
mjs48
February 21, 2009 at 06:25:16 PM
Joined: 09/16/2008
Posts: 15
Reply

Has anyone out there had any experience with SCAT crankshafts? It looks like they make a good product but I never hear about them. I am always hearing about Callies and Crower though.

Thanks

 




double duece
February 21, 2009 at 06:40:02 PM
Joined: 02/17/2009
Posts: 202
Reply

i hear they are decent.why



mjs48
February 21, 2009 at 06:44:01 PM
Joined: 09/16/2008
Posts: 15
Reply

Because there lightweight crank is about $1000.00 cheaper than some of the competition.




double duece
February 21, 2009 at 06:50:46 PM
Joined: 02/17/2009
Posts: 202
Reply

If you do your research, and you talk to respected experts...... I have found, you always get what you pay for!



meatbag
February 21, 2009 at 08:19:41 PM
Joined: 07/10/2007
Posts: 947
Reply

everything from china is cheaper!


do it in the dirt

305RULES
February 21, 2009 at 08:25:05 PM
Joined: 09/14/2008
Posts: 49
Reply

As i see there are many experts on here, i have a question. Whish would be a better crank. a steel gm crank or a new 4340 scat crank.?




dirtybeer
February 21, 2009 at 08:35:33 PM
Joined: 11/25/2005
Posts: 558
Reply
Reply to:
Posted By: mjs48 on February 21 2009 at 06:25:16 PM

Has anyone out there had any experience with SCAT crankshafts? It looks like they make a good product but I never hear about them. I am always hearing about Callies and Crower though.

Thanks

 



Must not be too bad,there is probably more scat cranks on race tracks across the U.S. than anything else.



meatbag
February 22, 2009 at 03:02:58 PM
Joined: 07/10/2007
Posts: 947
Reply
Reply to:
Posted By: 305RULES on February 21 2009 at 08:25:05 PM

As i see there are many experts on here, i have a question. Whish would be a better crank. a steel gm crank or a new 4340 scat crank.?



neither, .....callies, bryant, crower, winberg is where i would start.


do it in the dirt

65
February 23, 2009 at 06:13:49 AM
Joined: 08/09/2007
Posts: 57
Reply

Do not run the lightweight Scat crank in a sprint car! I'm talking about the one that costs like $1100 - $1200. We tried that a few years ago-had one that was fine until we burned it pretty bad from an oiling problem. The next two both broke @ the #1 / 2 rod journal, allowing the front part to wipe out the front main bearing & web-had to weld up, remachine, and line bore. Both times, it happened when I would slow down-once slowing down from hot laps, and once after I had just set fast time. The engine was still running and had 10-15 lbs oil pressure, but obviously was not very happy. This was in a stout 410 motor that was professionally balanced, but something about not having a harmonic balancer kills those cranks. After that, we finally spent $2700 or so on a new Callies Magnum XL and haven't looked back.




race88
February 23, 2009 at 10:09:58 AM
Joined: 04/10/2007
Posts: 949
Reply
Reply to:
Posted By: meatbag on February 22 2009 at 03:02:58 PM

neither, .....callies, bryant, crower, winberg is where i would start.



Slightly off subject ,but I bought a 3.625 light weight sonny bryant crank.I was informed at purchase they took a raw GM fordging and did their thing to it ....worked great ,had it through 3rebuilds then sold the motor...more of an endorsement of Bryant than a state ment for or against scat



Wesmar
February 23, 2009 at 02:18:57 PM
Joined: 09/29/2005
Posts: 626
Reply

I wouldn't think Sonny takes a GM forging and then finishes it to his specs on one of his high end pieces.  However I would believe that Sonny and know for a fact that Crower does get raw forgings from GM and then finishes it to their specs on their Pure Stock and Stock Plus line of cranks.

I have seen a few guys bring in their engines (360) with Scat crank and rods and knock on wood they're holding up.

Most professional engine builders can't or won't take a chance with those "other" pieces, instead relying on a Crower, Callies, Bryant, etc........ in which they know will hold up to the demands.



dirtdevil
February 23, 2009 at 05:19:09 PM
Joined: 09/30/2005
Posts: 1387
Reply
This message was edited on February 23, 2009 at 05:21:51 PM by dirtdevil

the way I look at it , If your utilizeing a handfull of used /economic parts the SCAT might be worth a try? Ive heard the good and the bad of the item, If your putting alot of effort/cash and new items in the mill I would use the most popular/common for sprint applications Bryant,Callies,Crower ect those will cost more , but, the Scat could cost more in the long run , and dont forget the frustration? , Personaly my good motor I have a Callies, the P.O.S motor I used a Ohio extreemly cheap, "the folks there said it could take the abuse"? I dunno , I was in a pinch, we finished off the season , I dont think I have really abused it yet, but it has held up so far, Im not much help, Just remember how attached you are to your block,rods,pistons ? , If your running for points with one mill, get the better of the two and dont second guess yourself, you did the right thing. If you buy the cheaper crank you might have enuff money in your pocket to buy a pop and watch from the trailer? goodluck!




Hawg Wild
February 24, 2009 at 03:16:39 AM
Joined: 08/07/2008
Posts: 123
Reply

Does anyone have any experiance with the Callies Compstar cranks? I was wondering anyones thoughts on them.

 

Thanks



Wesmar
February 24, 2009 at 10:22:27 AM
Joined: 09/29/2005
Posts: 626
Reply

We've used them in one or two ASCS engines in a pinch and they seem to be pretty good.



azteca
February 24, 2009 at 03:47:57 PM
Joined: 09/29/2006
Posts: 645
Reply

If it lasts twice as long ...it costs half as much ...

R.A.


S.H.S.


meatbag
February 24, 2009 at 08:39:34 PM
Joined: 07/10/2007
Posts: 947
Reply
This message was edited on February 24, 2009 at 08:40:18 PM by meatbag
Reply to:
Posted By: Hawg Wild on February 24 2009 at 03:16:39 AM

Does anyone have any experiance with the Callies Compstar cranks? I was wondering anyones thoughts on them.

 

Thanks



theyre ok, but they do have a horsepower limitation...not a top of the line piece if youre planning on twisting the snot out of it


do it in the dirt

throttlejohnson
February 24, 2009 at 10:12:34 PM
Joined: 02/27/2007
Posts: 468
Reply

O.K. my turn. What about BRC, Lunati, Eagle,L.A. Enterprise cranks? How do they stack up?


The older I get, the faster I used to be.

meatbag
February 25, 2009 at 07:38:22 AM
Joined: 07/10/2007
Posts: 947
Reply
Reply to:
Posted By: throttlejohnson on February 24 2009 at 10:12:34 PM

O.K. my turn. What about BRC, Lunati, Eagle,L.A. Enterprise cranks? How do they stack up?



never seen or used a BRC. I would rate eagle with scat and compstar. good cranks for the medium power range, possible joe blow drag racer or pure stock guy. LA made a real nice crank, but theyre not in business anymore???


do it in the dirt



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