Roller rockers????
Le Mans Master
Joined: Dec 2006
Posts: 5,557
Likes: 9
From: Oquirrh Mountains
St. Jude Donor '09
yes, but you will need to install taller valve covers or double gasket your existing ones to gain clearance for the lock nuts. You should also check your valvetrain geometry.
If you're just changing them for the sake of having roller rockers, save your money and leave the stock rockers on.
If you're just changing them for the sake of having roller rockers, save your money and leave the stock rockers on.
Race Director
Joined: Nov 2002
Posts: 12,142
Likes: 54
From: Taylor Michigan
Yes you can,......but it may also be necessary to replace your valve covers......you don't need them however and the OE and aftermarket stock rockers will handle almost any HP you can provide.....add some new nuts will keep there adjustment for thousands of miles.......
but you don't get bragging rights with stock rockers......
but you don't get bragging rights with stock rockers......
Le Mans Master
Joined: Nov 2008
Posts: 5,691
Likes: 12
From: columbus oh
the comp cams roller tipped models will fit under the stock covers and their ratio's are true to form, unlike the stamped steel stockers that can vary a lot....go for it......
Drifting
Joined: Aug 2005
Posts: 1,443
Likes: 65
From: Wauconda IL
If your motor has been 'built' (IE revised intake, exhaust, cam, heads etc) than roller rockers have their place, but on an otherwise stock motor, save your money.
Mind if I ask what the itch is to get roller rockers?
Depending on the engine and heads you have, some roller rockers claim they will fit under stock covers-
I just bought some Scorpion roller rockers for my 409 SBC that have short poly locks (their Endurance series) that they say will fit under my stock aluminum valve covers.
I run thick valve cover gaskets regardless.
I'll let you know if they really fit ;-)
Elm
Le Mans Master
Joined: Oct 2010
Posts: 6,943
Likes: 850
From: melbourne florida
2023 C3 of the Year Finalist - Modified
its an incremental change kind of thing, it wont give you 50 horsepower but it might give you 10 or 15. combine that with a couple other modifications and you will get 50 . you can put higher lift rockers on and possibly gain a little more. but you can most assuredly put them on a stock motor.
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Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
The LS7 427ci has a roller fulcrum and no roller on the tip apparently they were / still are having problems keeping the little roller needles in the fulcrum and there have been countless failures on new C6 Vettes.
I have seen a video of a roller tip rocker in action when the motor is running and most of the time the roller stays stationary and just slides across the valve stem just like a stamped steel rocker would.
I don't know why anyone would buy these things, now shaft rockers on a street motor makes much more sense
I have seen a video of a roller tip rocker in action when the motor is running and most of the time the roller stays stationary and just slides across the valve stem just like a stamped steel rocker would.
I don't know why anyone would buy these things, now shaft rockers on a street motor makes much more sense
Terrorizing Orange Cones
Joined: Oct 2007
Posts: 2,572
Likes: 17
From: Northern CO
I also agree that on a stock assembly, unless you just have to have them, there's other ways to get to, where you're going.
Where did you want your ride to end up? How much is it worth, to get there? What's your ideas and how much credit can you get?
M-H: that exhaust valve on #8 is open into tomorrow, as deep as that lobe buried it... I wouldn't race you.
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
Do these rockers make my butt look big? (RIP: Crane Cams... we hardly knew ye)
I also agree that on a stock assembly, unless you just have to have them, there's other ways to get to, where you're going.
Where did you want your ride to end up? How much is it worth, to get there? What's your ideas and how much credit can you get?
M-H: that exhaust valve on #8 is open into tomorrow, as deep as that lobe buried it... I wouldn't race you.
I also agree that on a stock assembly, unless you just have to have them, there's other ways to get to, where you're going.
Where did you want your ride to end up? How much is it worth, to get there? What's your ideas and how much credit can you get?
M-H: that exhaust valve on #8 is open into tomorrow, as deep as that lobe buried it... I wouldn't race you.
Thread Starter
Instructor
Joined: Oct 2011
Posts: 138
Likes: 1
From: Point Texas
Well the motor has been tinkered with its a 468, 4340 eagle crank,comp mag hydraulic cam & lifter kit, but it still has the 3deuces to make it look factory. Just thought about the roller rockers after I had it put back together, so I needed ya'lls input!! Thanks guys
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
I put roller rockers on motors that didn't need it, I know where your at, take a look at the Harland Sharp RR good and cheap and full roller
Le Mans Master
Joined: Dec 2006
Posts: 5,557
Likes: 9
From: Oquirrh Mountains
St. Jude Donor '09
Agree with MH, Harland Sharp are great rockers and aren't Chinese.
Last edited by Ben Lurkin; Jan 19, 2012 at 07:02 PM.
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
Just tell them you have roller rockers and stud girdle at the car show and don't forget to tell them "it's around 500 horse" the most common line you will hear at car shows for 350ci motors
Drifting
Joined: Aug 2005
Posts: 1,443
Likes: 65
From: Wauconda IL
Drifting
Joined: Aug 2005
Posts: 1,682
Likes: 3
From: League City TX
They certainly aren't mandatory at this point, but I would probably use them if it were my car.