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Lunati rocker arms

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Old Apr 11, 2013 | 05:04 AM
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Default Lunati rocker arms

Anyone use the Lunati LS-retrofit rocker arms? They are only about $275 complete, compared to the comp trunion upgrade for $140. These are all brand new vs using the old GM bodies.
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Old Apr 11, 2013 | 06:32 AM
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I was just looking at these. It looks like they have come out relatively recently. I pose same question ^^^. has anyone used these yet? Im really considering buying a set for my bare L92 heads...Also I found the L92/Ls3 versions here:
http://www.hinsonsupercars.com/p-162...-trunions.aspx
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Old Apr 11, 2013 | 08:43 AM
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hmm...im thinking about replacing my 212xxx stock rockers
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Old Apr 11, 2013 | 05:53 PM
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I just can't see using old rockers with 100k on them, these are new, ready to go. I'd like to get some roller rocker arms, but the research I've done, there are to many problems with them.
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Old Apr 11, 2013 | 09:36 PM
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I have a lot more faith in Lunati than I do Comp.
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Old Apr 14, 2013 | 05:03 AM
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Originally Posted by Quick Ranger
Anyone use the Lunati LS-retrofit rocker arms? They are only about $275 complete, compared to the comp trunion upgrade for $140. These are all brand new vs using the old GM bodies.
I am using Lunati shaft mount adjustables for a completely adjustable valve train, $595 new. Just bolting down rockers and hoping that you're appling the right amount of lifter preload is a little sketchy IMO.
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Old Apr 14, 2013 | 06:21 AM
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Originally Posted by Daniel0026
I was just looking at these. It looks like they have come out relatively recently. I pose same question ^^^. has anyone used these yet? Im really considering buying a set for my bare L92 heads...Also I found the L92/Ls3 versions here:
http://www.hinsonsupercars.com/p-162...-trunions.aspx
That's a GM rocker with a trunion upgrade.
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Old Apr 14, 2013 | 04:16 PM
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^^^That.
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Old Apr 14, 2013 | 09:59 PM
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The price of the lunatis is less than the comp kit and new gm rockers... then add labor? wha?
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Old May 5, 2013 | 02:19 PM
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whats the part number for the Lunati's
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Old May 5, 2013 | 03:32 PM
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Don't know the number offhand, but you can get them at coloradospeed.
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Old May 5, 2013 | 06:04 PM
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85427-16

$268 for upgraded trunions + new GM rockers. GM rockers by themselves are ~$11 each. The Comp kit is $130. That's $300 right there. Yeah, it's more than twice what the Comp kit costs, but if you have 145k miles like me, why not just spend another little bit?

I just bought them. Will let everyone know how they work out.
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Old May 5, 2013 | 07:04 PM
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yeah that my thought on it...I have 212xxx miles on mine and everything was upgraded but them. Im wondering if the mine are just worn out? I mean they gotta be huh? I wonder if i would pick up anything from getting new stiffy's


What was total with shipping? Im about to pull the trigger on these aswell

Last edited by stroked383HSR; May 5, 2013 at 07:11 PM.
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Old May 5, 2013 | 07:25 PM
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Very curious about these!

Please post up a review. After you've tired them of course
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Old May 5, 2013 | 07:31 PM
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$284 shipped from Hinson.

The bodies themselves probably won't ever wear out. They are steel. But if the tips, pushrod cups, or trunion bore have any wear on them, time to replace.
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Old May 5, 2013 | 08:16 PM
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heres another must need part..Jake tell us how you like it when it comes in.
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Old May 5, 2013 | 08:33 PM
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I think the trunion will be fine. I was torn between CHE and the Comp Trunions... And then this comes along... 268 vs 642 is the price difference between the CHE and Lunati trunions; both in new GM rockers. To me, that's too big of a cost delta for a part that's designed to basically keep the needle bearings out of the engine.

The rocker itself is unchanged, though the trunion takes abuse as well. The stock design actually works well, it just can be prone to spilling the needle bearings if the caps fail. This eliminates that. If the CHE upgrade was 420 in new rockers, I'd probably have done that since they eliminate any chance of failure beyond the rocker body giving out.
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Old May 5, 2013 | 08:44 PM
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Originally Posted by JakeFusion™
$284 shipped from Hinson.

The bodies themselves probably won't ever wear out. They are steel. But if the tips, pushrod cups, or trunion bore have any wear on them, time to replace.

not a bad price at all.

so how would one tell if anything is worn out? are you just assuming with your 145k that yours must have some wear on them? if so then mine must be about to come apart...LOL hopefully not but with my cam upgrade and now pushing 420ish and about to put the juice on it too.. I think it would be a good upgrade.
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Old May 5, 2013 | 11:22 PM
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Tips show wear with high lift cams. Otherwise they should be fine.
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Old May 8, 2013 | 04:39 PM
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Got them today. I tested each one out by hand to see if any had any hitch and to make sure all had a little side-to-side play in the bearing. All 16 passed the side-to-side play test but 3 had a slight hitch on smooth operation. Looks like the bearing might be pressed in ever so slightly too far. I'll probably just put them in a vice with a socket and press them back out slightly so they operate smoothly.

Here are the pics:





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