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Anybody used PRW LS3 shaft mount rockers?

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Old 02-08-2019, 03:53 PM
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Default Anybody used PRW LS3 shaft mount rockers?


Anybody had any experience with them on LS1 or LS3 set ups
Old 02-13-2019, 10:53 AM
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I just bought a set of speed master ls1 shaft rockers. For a cheapy set up they look great. We'll see how they do soon.
Old 02-13-2019, 05:07 PM
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Originally Posted by HioSSilver
I just bought a set of speed master ls1 shaft rockers. For a cheapy set up they look great. We'll see how they do soon.
can you post some pictures please sir. thanks
Old 02-13-2019, 08:48 PM
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that's the only one i took. But i can take more if you like.
Old 02-14-2019, 12:59 AM
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I can see the flex in the tips from here. Good god, they dont even run material out to the roller. Best of luck with that chinesium and shoddy design.
Old 02-14-2019, 06:30 AM
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I ordered a set of PRW LS1 rockers a few years ago. They were pure crap so I returned them.
Old 02-14-2019, 10:37 AM
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Originally Posted by hiltsy855
I ordered a set of PRW LS1 rockers a few years ago. They were pure crap so I returned them.
the finish bad, of just the whole product in general
Old 02-14-2019, 10:58 AM
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You can see the roller tip isn't parallel with the trunnion. There were several like these in the set.


Old 02-14-2019, 11:37 AM
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Yep, pure garbage!
Old 02-14-2019, 11:54 AM
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Originally Posted by G Atsma
Yep, pure garbage!
which ones did you get?
Old 02-14-2019, 11:59 AM
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None, can tell just by the pictures. When it's that obvious that the roller is skewed, garbage it is!
Old 02-14-2019, 12:18 PM
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We shall see on my new ones. I know their not the greatest but what convinced me to try a set was some reading up and finding that some of the high dollar rockers broke also. These new junker chinky things look at least as good as my harland sharps and I've seen those break on a friends car. With me running light valves and beehives it should reduce the stress on the rocker some.

I used a set of speed master stainless 1.9 rockers on my uncles 5.3 truck with no issues so far. Even had a set on the ls6 after i fixed the bent valves.

So idk....I'm sure their not the best. But they were good enough when i was adjusting the valves on the 5.3 that i set the adjustment on the rocker the same for all 16 after i noticed the first 3 were identical.
Old 02-14-2019, 04:20 PM
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Originally Posted by HioSSilver
We shall see on my new ones. I know their not the greatest but what convinced me to try a set was some reading up and finding that some of the high dollar rockers broke also. These new junker chinky things look at least as good as my harland sharps and I've seen those break on a friends car. With me running light valves and beehives it should reduce the stress on the rocker some.

I used a set of speed master stainless 1.9 rockers on my uncles 5.3 truck with no issues so far. Even had a set on the ls6 after i fixed the bent valves.

So idk....I'm sure their not the best. But they were good enough when i was adjusting the valves on the 5.3 that i set the adjustment on the rocker the same for all 16 after i noticed the first 3 were identical.
yeah they all can break, i have seen jesel rockers break but the good thing about Jesel is they will replace them. PRW i don’t think they would.
Old 02-14-2019, 04:40 PM
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These have a 5yr warranty. Now it may not be worth the paper it's wrote on but hopefully i won't have to find out.

Btw DietCoke.....i can about guarantee these things are not gonna flex. They may break from being a pos but that type of material don't flex....it breaks.
Old 02-14-2019, 05:56 PM
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The prw are speedmaster/pro comp. Had a circle track guy try them both because he was told they were different. So he got 2 sets of the same thing and had issues with both. I forget exactly what happened but they were such an issue he sold em super cheap just to get rid of em. Prw was a hassle for him also to try and wnty.
Old 02-15-2019, 08:09 AM
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I have a friend that builds circle track ls engines. That's a much harsher environment than a street car engine for all the parts.
Old 02-15-2019, 04:55 PM
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Right, but he went jesel after spending money more than twice and has no issue now.
Old 02-15-2019, 05:02 PM
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FWIW - I got my PRW's from Amazon and returned them with no hassle. The shaft-mounts don't "look" bad. Let us know how they hold up.
Old 02-15-2019, 08:26 PM
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I am hopeful with skepticism
Old 02-17-2019, 12:08 PM
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Originally Posted by hiltsy855
FWIW - I got my PRW's from Amazon and returned them with no hassle. The shaft-mounts don't "look" bad. Let us know how they hold up.
mine don't look bad at all, thats why i asked about others. i out a dial indicator and checked to see the deflection cold with a pac 1208X spring shimmed properaly and it came out right at .650 lift. 3/8 push rod. all and all mine look good only ran them for about 40 mins total so fingers crossed! mine are the shaft mount rockers



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