#21  
Old 11-07-2019, 11:24 AM
Steve C. Steve C. is offline
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Tim worked with Harold Brookshire at UltraDyne for 21 years.

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  #22  
Old 11-07-2019, 11:50 AM
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Quote:
Originally Posted by wts69bird View Post
Ordered a comp 51-221-4 when I went to degree it , was 18 degrees advanced in the straight up position. yes I checked it twice!!!!! In talking to the supplier said they are being machined in Argentina now. Have anybody else hear that?
While if someone had just put the cam in dot to dot and ran it that would have been a problem. But since you were degreeing the cam. If everything else about the cam checked out, I would have just put in at the ICL I wanted and ran it.

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  #23  
Old 11-07-2019, 12:09 PM
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Quote:
Originally Posted by Stan Weiss View Post
While if someone had just put the cam in dot to dot and ran it that would have been a problem. But since you were degreeing the cam. If everything else about the cam checked out, I would have just put in at the ICL I wanted and ran it.

Stan
True but I would have checked more than 1 lobe. In that case every lobe would need to be degreed. I have seen them off from lobe to lobe

  #24  
Old 11-07-2019, 12:21 PM
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Quote:
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While if someone had just put the cam in dot to dot and ran it that would have been a problem. But since you were degreeing the cam. If everything else about the cam checked out, I would have just put in at the ICL I wanted and ran it.

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Originally Posted by JSPONT View Post
True but I would have checked more than 1 lobe. In that case every lobe would need to be degreed. I have seen them off from lobe to lobe
I agree and that is what I meant above.

Stan

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  #25  
Old 11-07-2019, 02:08 PM
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I spent two days at CompCams a couple years ago, taking the FAST efi class. They have a BUNCH of cam machines, and they were all running steadily whenever I walked through the shop.

They mentioned back then that they had acquired Lunati, but Lunati was being ran separately. Basically 3 guys that are the owners, and are all car guys.

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Old 11-07-2019, 03:20 PM
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I just talked with Dean Harvey, Sales Group Director at Comp. He assured me that 100% of their cams are ground in the U.S.A.

He also would not mind knowing who made the Argentina claim.

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'73 T/A (clone). Low budget stock headed 8.3:1 455, 222/242 116lsa .443/.435 cam. FAST Sportsman EFI, 315rwhp/385rwtq on 87 octane. 13.12 @103.2, 1.91 60'.

'67 Firebird [sold], ; 11.27 @ 119.61, 7.167 @ 96.07, with UD 280/280 (108LSA/ 109 ICL)solid cam. [1.537, 7.233 @93.61, 11.46 @ 115.4 w/ old UD 288/296 108 hydraulic cam] Feb '05 HPP, home-ported "16" D-ports, dished pistons (pump gas only), 3.42 gears, 275/60 DR's, 750DP, T2, full exhaust

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  #27  
Old 11-07-2019, 04:52 PM
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I left a message for Dean last week.Tom

  #28  
Old 11-07-2019, 04:54 PM
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PAUL K PAUL K is offline
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Quote:
Originally Posted by Lee View Post
I just talked with Dean Harvey, Sales Group Director at Comp. He assured me that 100% of their cams are ground in the U.S.A.

He also would not mind knowing who made the Argentina claim.
Good information, thanks for posting. Did he have any input on all the issues with their HR lifters?

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  #29  
Old 11-09-2019, 12:24 PM
darbikrash darbikrash is online now
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Good information, thanks for posting. Did he have any input on all the issues with their HR lifters?
I spent a good hour or so with the Comp guys in the SEMA booth this week. Specifically asking about HR issues. I spoke with a gentleman (did not get his name) who had oversight on HR production and he was very knowledgeable and willing to discuss the issues with hydraulic rollers.

He did say that they had supplier issues in the past and that these were corrected with production going to Shaver for Pontiac HR. He mentioned Johnson as another HR supplier for Comp. Both of these manufacturers produce acceptable quality lifters according to him.

He said that most of the issues he saw had to do with the lifters sitting on the shelf for a long time, and the lubricant used by the supplier during assembly solidifying and causing problems with operation.

I let him know I had heard this explanation before and was skeptical of it. I have personally seen big differences in bleed down rates lifter to lifter which to me speaks of poor tolerance control. After some “discussion” he conceded bleed down rate was an issue and they had acknowledged this internally and had an open initiative to build a bleed down tester for in-house quality control. This has been under discussion for 5 years at Comp according to him and still no hardware has been built, as they do not have a good design concept to accomplish this.

I did not leave with the impression that there were going to be any changes.

So I think it is then up to the engine builder to check bleed down on each lifter during assembly, and expect that there will be some failures in each batch, and to replace these under warranty as needed.

Or buy Crane lifters at significantly more money which reportedly do not have these issues.

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  #30  
Old 11-16-2019, 08:16 PM
TheGrudge TheGrudge is offline
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darbikrash - off topic - guessing you’re a Germs fan?!?

  #31  
Old 11-17-2019, 01:21 AM
darbikrash darbikrash is online now
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  #32  
Old 11-17-2019, 02:30 AM
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What can I say, great taste in cars and music. Rare combo!

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Old 11-17-2019, 04:43 AM
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.....purely subjective comment of course

  #34  
Old 11-23-2019, 04:54 PM
wts69bird wts69bird is offline
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did you guys see my first post. It was 18 degrees off theres only 8 degrees in the crank gear. I got a call back the key way was in the wrong spot.

  #35  
Old 11-23-2019, 05:17 PM
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How much does moving the cam one teeth change its position?

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