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Old 01-06-2015, 09:15 PM   #1
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Edelbrock cams

I rebuilt my motor about 6000 miles ago with top of the line materials and an edelbrock cam, lifter and spring kit. I've run zinc additive in my oil and did the proper break in procedure. Last week I noticed a terrible lifter tick so I readjusted the valves but that only made it worse so I pulled the intake and found that the cam was wiped. I called the guy who machined the block and he said that edelbrock has their cores made in China out of mild steel. Don't get me wrong, edelbrock makes some if the finest intakes around but their cams aren't worth crap. What are your recommendations on a new cam? By the way the wiped cam sent trash throughout the motor and killed the bearings Click image for larger version

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Old 01-06-2015, 10:29 PM   #2
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Oh this scares me i just got a cam for my mustang. Hope mine turns out better


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Old 01-07-2015, 06:01 AM   #3
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Make sure you run a Zinc additive and to the proper break in procedure
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Old 01-07-2015, 06:33 AM   #4
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I can not see any Cam being made with mild steel. I think I would Edelbrock and see what they tell ya. Do a Google search on the Cam part number and see if it has been a problem or not. I have not rebuilt an engine in many years so I have not followed the quality of any MFG, but I always used Edelbrock cams when I did and never had a problem.
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Old 01-07-2015, 06:50 AM   #5
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Take a look at this from Comp Cam.

http://www.compcams.com/Technical/In.../Files/255.pdf

I did a quick search to see what I could learn cause I will be building an engine in the summer maybe. Depends on the body work and how far I get.
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Old 01-07-2015, 09:27 PM   #6
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Good luck with the bodywork, it can get quite tedious. That's an interesting article. Apparently the cam core is mild steel then it's whipped to the states to get machined and and hardened. It seems like there is so many variables with flat tappet cams to pin down the exact issue. I'm bringing the torn down motor to the machinist on Saturday to get a final opinion. Hopefully it doesn't ned to be punched out agin or need anything more than a quick hone and new bearings
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Old 01-08-2015, 06:17 AM   #7
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Quote:
Originally Posted by BA68 mustang View Post
Good luck with the bodywork, it can get quite tedious. That's an interesting article. Apparently the cam core is mild steel then it's whipped to the states to get machined and and hardened. It seems like there is so many variables with flat tappet cams to pin down the exact issue. I'm bringing the torn down motor to the machinist on Saturday to get a final opinion. Hopefully it doesn't ned to be punched out agin or need anything more than a quick hone and new bearings
Good luck with it. I am thinking I am going to go Roller and maybe some new heads and intake. I keep changing my mind on the engine but will get it figured out before I send it off to get machined.
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Old 01-08-2015, 08:09 AM   #8
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If you keep the stock heads, go for screw in studs, the press in one have a tendency of pulling out
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Old 01-29-2015, 05:58 PM   #9
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Update, the machinist is convinced that it was a bad cam/lifters. He's never seen a can wipe after 6,000 miles. Apparently if they don't go in the first 500 you should be in the clear. Either way I got 5 qts of Joe Gibbs break in oil and a case of his hotrod oil to play it on the safe side
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