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JaniH 07-15-2024 06:04 AM

BBC roller rockers?
 
Hi, had a nice set of crane gold rockers, but during the winter 5 of them has pitting in the tip roller i can feel i with my nail. What is the go to rocker nowdays? I know the t&d and jesel shafts seems to be the best but those do not fit to my budget. Dont know the peak hp rpm but should be in +-6000rpm.

Engine specs
-509cid gen6
-flotek 290cc heads 2.3"/1.88" ,11/32" stem valves.
-johnsson 2126bbr hyd lifters.
-isky 9005 valve springs, 185/470lbs
-comp custom roller 240/245 @050, 0.647/0.647" lift.

snapmorgan 07-15-2024 10:05 AM

I like the stainless steel Crowers, but I have good luck with Scorpions as well.

JaniH 07-15-2024 11:11 AM


Originally Posted by snapmorgan (Post 4902909)
I like the stainless steel Crowers, but I have good luck with Scorpions as well.

Few guys has also recomended the scorpions and crowers, but i could get the yella terra platinum pedestals or jesel sportsman shafts for the same money. Some even suggest the comp 1620-16 ultra pro magnum steel rockers, but somehow i dont thrust the comp stuff.

larose481 07-15-2024 08:40 PM

Comp 1820-16 XD rockers for the win. Used them on my last 8 builds and half being blower builds with no issues. Scorpion has had snap ring issues. If you wanna stay stud mount you cant go wrong with the Comp XD's

TomZ 07-15-2024 10:17 PM

If the trunnions are good, why not polish the roller tip instead? The tip really doesn’t “roll” anyway - it slides across the valve tip.

JaniH 07-16-2024 02:49 AM


Originally Posted by TomZ (Post 4902972)
If the trunnions are good, why not polish the roller tip instead? The tip really doesn’t “roll” anyway - it slides across the valve tip.

allreaydy did this with 1000grit paper and some wd40, it did help alot but everithing Else in this build new so i want replace them.

JaniH 07-16-2024 02:52 AM

Case closed, ordered 8 new crower 73605 rockers. Thanks

JaniH 07-16-2024 09:32 AM


Originally Posted by snapmorgan (Post 4902909)
I like the stainless steel Crowers, but I have good luck with Scorpions as well.

so bought the crowers. How well did you check the geometry of the crowers? True ratio?.

snapmorgan 07-16-2024 12:22 PM

Spot on

JaniH 07-16-2024 12:31 PM


Originally Posted by snapmorgan (Post 4903042)
Spot on

just trying to decide should i use the crowers for exhaust or intake side, the 1.7 crane golds are 1.76 when i measured them.


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