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68bird
Sitting Bull

USA
221 Posts

Posted - 08 Jun 2017 :  6:26:45 PM  Show Profile  Reply with Quote
What is the preferred brand of roller rockers out there on the market now? Used with a hydraulic flat tappet. I suspect faulty bearings in one of mine and will confirm that hopefully this weekend. Thanks in advance.

Robb Hermes

Dweld02
Tribal Scout

8 Posts

Posted - 13 Jun 2017 :  01:19:22 AM  Show Profile  Reply with Quote
Would like to know too whick roller rockers are best nowadays. Which one you go with?
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tjs44
Cochise

USA
411 Posts

Posted - 13 Jun 2017 :  09:49:16 AM  Show Profile  Reply with Quote
I have been running H&S for 20 years with no issues.Tom
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Brian R
Crazy Horse

USA
1672 Posts

Posted - 13 Jun 2017 :  3:56:44 PM  Show Profile  Reply with Quote
Full roller or roller tip?

I have been using Comp Cams roller tips for 15+ years, same set on 3 engines, no issues at all.
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tjs44
Cochise

USA
411 Posts

Posted - 13 Jun 2017 :  7:29:08 PM  Show Profile  Reply with Quote
I run full rollers with any aftermarket cam.Have used the comp roller tips on a factory cam with no issue.Tom
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loosetappet
Sitting Bull

113 Posts

Posted - 10 Jul 2017 :  12:31:56 AM  Show Profile  Reply with Quote
Scorpion Endurance rockers. No problems. Fit under stock valve covers too.
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Phil
The Great White Buffalo

USA
7214 Posts

Posted - 10 Jul 2017 :  10:36:01 AM  Show Profile  Reply with Quote
HS seems to be the preferred/popular one as there seems to be issues with others. Most recently I've seen issues posted about Scorpion but the vast majority of problems seem to be centered around PRW and other Chinese knockoffs. I have a set of PRW's on a HR 455 and its only just broken in so I plan to replace them with HS rockers soon.

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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cortcomp
Coyote

USA
5335 Posts

Posted - 10 Jul 2017 :  10:55:31 AM  Show Profile  Visit cortcomp's Homepage  Reply with Quote
What were the scorpion issues? I've run 3 sets for a few years with no issues. I know someone posted about the blue coming off where the pushrod contacts, but that was a few years back and i noticed that they have a steel black insert pressed in there now.
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Phil
The Great White Buffalo

USA
7214 Posts

Posted - 11 Jul 2017 :  08:43:18 AM  Show Profile  Reply with Quote
I don't remember, maybe cracking of the castings. Stuff about them posted on PY. Its a search away.

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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Blued and Painted
Chief PONTIAC

USA
3404 Posts

Posted - 11 Jul 2017 :  11:28:35 AM  Show Profile  Reply with Quote
If i recall correctly, on a seasonal inspection of a drag car, some cracks developed around the roller tip pin when using a .700+ aggressive lift cam. No actual breakage while running.

Im using the scorpion enduro @ .500 lift with no issues.

I used the butler thick VC gaskets for extra clearance under china re-pop valve covers.

--


Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 11 Jul 2017 11:45:02 AM
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