Having to fix or upgrade other parts to account for a part with an inherent weakness (weight) doesn't make a whole lot of sense. 
HPR 468 peaking to low.
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From: Central Cal.
TECH Senior Member
Joined: Jun 2016
Posts: 22,298
Likes: 3,619
From: Central Cal.
It would amaze you how many don't. Many will throw together a bunch of parts that SHOULD work together, but put little thought into HOW WELL they do so. Mamo puts the thought into the job.
Thread Starter
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Joined: Feb 2018
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From: Lawrenceburg Ky
Like I said, I didn't particularly want the YT rockers but at the time I couldn't find anything else. I prefer the TSP roller tip rockers but they didn't have any at the time due to covid-19. My dyno shows no strange dips or jagged lines to indicate any valve train problems. I think the motor just doesn't get enough air with this intakes. The CID/4500 will go on this winter.
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I had 2 different individuals same heads and rockers, both peaking early and breaking up past 6600. I had both remove those YT and replaced them with OEM LS7s with a trunnion and corrected their issue. Just sharing what I ran into. I'm not a fan of a heavier rocker. Many will disagree but on a build that you are not spinning to the moon an OEM will do great at 7500+. Shop manager here stock OEM rockers with a trunnion we spin that sucker to 7700.
Here's the Killer with all the money going into the Engine I ask Y in the World would one use some BS?
👇
Jesel / T&D / Crower 👈... anything else for a High performance engine is of Lesser Value or Not made for High End high Hp with Realiablity...
I know about old YT failures and reason I'd never recommend them vs... 👆
Use what Winners use and there Asking for More on Durability with Crazy rpm and lift used Vs the topic... Common Sense 👍
Last edited by Corona; Jul 27, 2021 at 09:34 PM.
Thread Starter
TECH Regular
Joined: Feb 2018
Posts: 426
Likes: 293
From: Lawrenceburg Ky
Here's the Killer with all the money going into the Engine I ask Y in the World would one use some BS?
👇
Jesel / T&D / Crower 👈... anything else for a High performance engine is of Lesser Value or Not made for High End high Hp with Realiablity...
I know about old YT failures and reason I'd never recommend them vs... 👆
Use what Winners use and there Asking for More on Durability with Crazy rpm and lift used Vs the topic... Common Sense 👍
👇
Jesel / T&D / Crower 👈... anything else for a High performance engine is of Lesser Value or Not made for High End high Hp with Realiablity...
I know about old YT failures and reason I'd never recommend them vs... 👆
Use what Winners use and there Asking for More on Durability with Crazy rpm and lift used Vs the topic... Common Sense 👍
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that post was 4 my buddy JR... But once you start getting Crazy with Rpm and lift. Leave no Doubts.
My 🐂 💩 has bushed lifters and Bigger BBC sized studs.. leave no Doubts on Movement even with the use of a 🐂💩 Stud mount. 😏
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Looks and reads like a Soft Solid roller or a Wanna be hard Hydraulic roller...try 8 mm studs with something with Some Aggression. Spring rate and the open Pressure tells me that Cam isn't trying to kill nothing in a 8mm stud
It's a Cheap Option for 7/16ths studs using the rockers I did.
Get a bell mouth to put on that throttle body. Will pick up power.
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https://www.ebay.com/itm/4-Inch-Car-...-127632-2357-0