We talk about how long solid rollers will run on the street....
Thread Starter
Drifting
Joined: Jul 2013
Posts: 1,299
Likes: 93
From: Tri-Cities TN
We talk about how long solid rollers will run on the street....
Well this is a picture of a 10 year old set of Morel 4845's. These are pressure fed needle bearing lifters that have 3000 street miles and hundreds of passes. This is a 3500/3600# car that runs 9.60's on pump gas. this is 496 build that has been shown no mercy. This was the first time the valve covers had been off this build in the 10 years it has been together....
Le Mans Master
Joined: Mar 2001
Posts: 6,240
Likes: 1,013
From: Watkinsville, GA and Glen Cove, NY
Well Chris, my Morel bushing lifters I got from you should last awhile then. Great post! Makes me glad I didn't compromise and go Hydro roller. Time will tell!
Bill
Bill
Tech Contributor
Joined: Jun 2004
Posts: 20,910
Likes: 962
From: I tend to be leery of any guy who doesn't own a chainsaw or a handgun.
Well this is a picture of a 10 year old set of Morel 4845's. These are pressure fed needle bearing lifters that have 3000 street miles and hundreds of passes. This is a 3500/3600# car that runs 9.60's on pump gas. this is 496 build that has been shown no mercy. This was the first time the valve covers had been off this build in the 10 years it has been together....
Le Mans Master
Joined: Oct 2006
Posts: 7,123
Likes: 433
From: Gladstone MO
C3 of Year Finalist (appearance mods) 2019
I'm going to find out. I went with the .904 lifters- bigger roller, more needles= spread the load out more. Plus the roller turns a little slower. With the pressure fed bearings, and good oil, they should last. And I AM planning on driving it as much as I can. I'll pull the intake and take a look at them in about 18 months- find out if I made a good or bad choice.
Drifting
Joined: Aug 2015
Posts: 1,939
Likes: 477
From: NSW, Australia
C3 of Year Finalist (track prepared) 2019
I have to admit I too was thinking that 3,000 miles isn't much... I've covered nearly 5,000 in my Vette since the start of the year, and I can't really fathom only driving it through a couple of tanks of fuel a year.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
I ve never kept good records on my two crane pro solid rollers but 20 to 30K miles If I had it to do over I would have had the blocks machined to bbc. 903 dia and bought Chris's solid bushing. 810 roller wheels
Drifting
Joined: Jun 2008
Posts: 1,565
Likes: 111
I've been running .842 Crower HIPPO lifters for several years now on a 268/274@.050 solid roller. It's not a high mileage setup, but it sees plenty of stoplight idle time. I plan to inspect the lifters at the same interval I would check the valvesprings, unless the lash moves more than it should. I do however maintain a relatively high idle speed just in case.
Drifting
Joined: Jun 2008
Posts: 1,565
Likes: 111
I've been running .842 Crower HIPPO lifters for several years now on a 268/274@.050 solid roller. It's not a high mileage setup, but it sees plenty of stoplight idle time. I plan to inspect the lifters at the same interval I would check the valvesprings, unless the lash moves more than it should. I do however maintain a relatively high idle speed just in case.
Melting Slicks
Joined: Mar 2008
Posts: 2,666
Likes: 289
From: Spring Park MN
I put about 4000 miles on my Comp Cams solid rollers. The lobes on my cam are pretty aggressive with not a lot of lead up ramp. This makes me able to run a tight lash. I run .010" and .012" hot. The tighter I run the lash, the better the engine likes it, mostly because the cam isn't too big for the combo.
I check the lash quite often and if I ever hear any tick whatsoever, it will get shut down and hauled home.
Mike
I check the lash quite often and if I ever hear any tick whatsoever, it will get shut down and hauled home.
Mike
Burning Brakes
Joined: Feb 2005
Posts: 894
Likes: 91
Tough to beat the "bushed" rollers, good friend/customer has a set of Isky's in his '56 Chev for over 6 years now, no real issues.
This is a N.Y. registered 100% street-legal ride, a constant "Drag-Week" contestant and winner. Every one of these events the ride attends he racks up about 2500 miles all tolled traveling from track to track and racing.
Does much other racing also at nearby tracks including Maple Grove and down in the Carolina's!
Up around 1800 HP, close to 3800# (still), runs 7.50's @ 190.
If you want a good lifter by all means go "bushed", you'll never regret it.
Thanks, Gary in N.Y.
P.S. We find the same performance/service from Comp's new one's also. With the ride above we have absolutely no more "broken" parts, this includes lifters, springs, and now rockers. Just eliminated the needle brgs in the T&D's, went over to bushings there also.
This is a N.Y. registered 100% street-legal ride, a constant "Drag-Week" contestant and winner. Every one of these events the ride attends he racks up about 2500 miles all tolled traveling from track to track and racing.
Does much other racing also at nearby tracks including Maple Grove and down in the Carolina's!
Up around 1800 HP, close to 3800# (still), runs 7.50's @ 190.
If you want a good lifter by all means go "bushed", you'll never regret it.
Thanks, Gary in N.Y.
P.S. We find the same performance/service from Comp's new one's also. With the ride above we have absolutely no more "broken" parts, this includes lifters, springs, and now rockers. Just eliminated the needle brgs in the T&D's, went over to bushings there also.
Tech Contributor
Joined: Jun 2004
Posts: 20,910
Likes: 962
From: I tend to be leery of any guy who doesn't own a chainsaw or a handgun.
The "real hot rods" must be hanging out at the local drive-in, 'cuz I ain't seeing any at the track.
Pics of your car at the track?
Drifting
Joined: Aug 2015
Posts: 1,939
Likes: 477
From: NSW, Australia
C3 of Year Finalist (track prepared) 2019
That sounds pretty good, thanks for the info. When they went bad, were you able to catch them in time and just replace the lifters, or did the engine require a complete rebuild?
Team Owner
Joined: Apr 1999
Posts: 21,953
Likes: 1,445
From: Reno Nevada
2024 C3 of the Year Finalist- Modified
The motors have both been refreshed with the same lifters going back in. The springs, rings, and valve guides go
69427 with no other changes other than a roller cam you could gain significant amounts of power across all rpm. Then quit worrying about using your lighter weight brake rotors and minor additional gains flat bottoming your car to a higher level. Actually your car would be so much faster that you would finally understand that stock brakes are incapable of running more than just a few laps before failure
Last edited by gkull; Apr 26, 2017 at 03:41 AM.
Thread Starter
Drifting
Joined: Jul 2013
Posts: 1,299
Likes: 93
From: Tri-Cities TN
Thread Starter
Drifting
Joined: Jul 2013
Posts: 1,299
Likes: 93
From: Tri-Cities TN