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Old 09-06-2024, 11:07 PM   #1
pontiacvince
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Lifters

I haven't been on in a while. Since the last time I was on, I drove my '71 to Texas and back, a 4000 mile round trip journey. I left with a "ticking" noise that I COULD NOT adjust out. After I got back home, I tore the top end apart and found 2 of the CompCams lifters had lost the retaining spring clips and when I pulled the pushrods, the lifters came apart. I am SO LUCKY they didn't come apart on the road and completely grenade my engine. I contacted Summit AND CompCams and both stated that the warranty had expired. I built the engine about a year before I actually installed it, then it was another year before it was fired. The CompCams warranty manager sent me 2 of their latest and greatest DLC (Diamond Like Coating) lifters to replace the failed lifters. I decided to rebuild the entire engine and went from .030 to .040, and a substantially bigger cam. I did some head work and chamber work on the #416 305HO heads. I used the Summit 1202 4-7 swap cam and a FULL SET of the CompCams DLC lifters. VERY happy with the new engine and the sound of the bigger cam is awesome!!! Went from a 260H single pattern to a 278- 288 dual pattern cam.
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Old 09-07-2024, 12:11 AM   #2
Getter-Done
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Re: Lifters

Great luck you have for sure.

I have similar stories.

You have this figured out now.

That a great choice.
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Old 09-07-2024, 12:13 AM   #3
HO455
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Re: Lifters

Is the 307?

Good to hear it's back together and you're happy with it.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.
RIP Bob Parks.
1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
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Old 09-12-2024, 10:23 PM   #4
pontiacvince
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Re: Lifters

Quote:
Originally Posted by HO455 View Post
Is the 307?

Good to hear it's back together and you're happy with it.
Yep. The 307 is now 313ci now.
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Old 09-14-2024, 10:53 AM   #5
HO455
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Re: Lifters

Nice! Have you any idea what mileage you're getting?
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.
RIP Bob Parks.
1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
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Old 09-14-2024, 04:58 PM   #6
pontiacvince
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Re: Lifters

Quote:
Originally Posted by HO455 View Post
Nice! Have you any idea what mileage you're getting?
I haven't checked yet. Just enjoying driving it.
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