SAM98WS6

stock ls1...needle bearings in oil...happens more than you think...why chance it....

https://ls1tech.com/forums/dynamometer-results-comparisons/415615-98-z28-dyno-results-what-do-they-mean.html

mrr23

iTrader: (3)

because all the fastest ls1 cars use stock rockers. at least that's the answer i get when i mention the vinci/crane rockers i use.

RaNsOm

iTrader: (2)

that thread had nothing to do with needle bearings. Ive reused my stock rockers through 2 cam swaps and they're fine.

CAT3

iTrader: (9)

RaNsOm, yes it did actually, you have to scroll all the way down.

SAM98WS6, shouldnt you edit the title since the rockers in that post where NOT reused? He didnt have a cam in yet, or springs or anything else that would require the rockers to be removed. And I bet there is a correlation to those with **** stock rockers and running low oil, but of course we'll never know.

mrr23, if they werent such a PITA to setup maybe more ppl would buy them, that and the sniveling weight issue (yeah I read the propaganda the weight is not over the valve tip....).

I would venture to say there are more successful stories of the stockers going quick, then stockers shitting the bed. And whats the quickest Vinci rockered car (sounds like a new title for some lil title *****).

SUX2BU

iTrader: (14)

My rockers have 132,000 miles on them and look at my sig.

PREDATOR-Z

LS1 rockers are still some of the best out there.
And there is a cure:
Send the stockers to Nasty Performance for a Harland Sharp rebuild. New trunions and C-CLIP to prevent spilts bearings in the future.

AllThrottle4U

iTrader: (14)

I just pulled my rocker arms off about 30 minutes ago during my cam install. Every one of them are in excellent condition. Car has about 85k and I drive it pretty rough. I'll be putting these back on without hesitation. Time to finish

bmfcamaro

iTrader: (1)

ya i pissed i read that thread. mine are perfect. i have removed them twice. i have 85000 miles also heres to the stockers

Jimmy P

iTrader: (177)

One of my stock ones exploded, and I got Yella Teras which caused valved float.
I then did what Predator Z mentioned, and sent my stock ones to Nasty, which realy sends them out to Harland Sharm and they rebuild them. They replace all the bearings as well, not just the trunions and c-clips. They are holding up fine so far.

98A4LS1

iTrader: (1)

What did it cost to rebuild the stock rocker arms?

PREDATOR-Z

Last time I checked it was ~$260.00

Fireball

iTrader: (21)

my stockers have seen plenty of 7000+ rpm runs. just pulled them out, still intact.

DONAIMIAN

iTrader: (18)

I was told that rockers shitting the bed can be caused from not having enough spring preasure also.

Fireball

iTrader: (21)

that makes sense...

mrr23

iTrader: (3)

they really aren't. the problem most people have is finding zero lash. even by finger, i could turn the nuts and push the lifter plunger down on my car. once you get zero lash correct, the rest is cake.


vinci's z06 about three years ago ran 9.80s. a blue corvette in chicago right now that runs 9.40s name is john reese. his car is pictured on vinci's site.

in the autocross arena, here in florida, there's mike edstrom. been points champion for the last two years. in oregon, there's marv wodtli that won his class.

SAM98WS6

My stock rockers were perfect too...until they let loose way back when...

Im just pointing out it happens more than you think...and that car was stock and never apart..just like the LS1s that roll into dealers with rocker arm failures..my mechanic buddy has repaired a few..

Im not telling you not to reuse your stock ones...do what you want...

Fireball

iTrader: (21)

stock ones bend pushrods too...I guess they are junk

TAQuickness

iTrader: (28)

personal prefernce I suppose. I wasn't comfortable using stock rockers when I did my rebuild.

777

iTrader: (21)

I highly doubt the statement they happen more often than you think stand true. How many reported rocker arm failures do we have. There is over 50,000 members. I highly doubt if we have had 100 rocker arm failures. With that being said I have 106,000 miles and two cam swaps still using stock rockers and they look fine. With that also being said when I build my new engine I won't be using stock rockers Not worth risking a 10,000 engine with <$500 set of rockers.

gkrocket

iTrader: (6)

I gonna e-mail Nasty now.
Thanks