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Does the rocker arm boss have to be cut down when replaced stock rocker arm studs with screw in studs?
Wiki User
∙ 11y ago
I think the only time you have to do any cutting is when you're using guide plates.
Wiki User
∙ 11y ago
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Are all Chevy rocker arm studs pressed in?
No you can get screw in studs mainly for high performance engines.
Are rocker arm studs pressed in or srewed in?
there are both screw in and press in studs on 350s. it depends on application. i will say that fatory heads are most likely press in. high performance applications may be screw in.
What are press-studs?
The press-in studs are on the cylinder heads. That's where the rocker arms go. Press-in studs don't stay in very well in high performance applications, so most people either have there heads machined to accept screw-in studs, or buy heads that came with screw-in studs. A low-cost alternative to screw-in studs is to have the press-in studs cross drilled to accept roll pins to keep them from pulling out of the pedestals. This only applies to iron heads, as aluminum heads always come with screw-in studs.
Do Pontiac heads have pressed rocker studs?
Some do some do not. Look at the stud, if it has a nut built into the stud bottom, then it is a screw-in
How big of a cam can i run in a stock small block Chevy?
Around 450, to 460, lift, 250, to 260 degrees duration, 116, centerline. New answer: If you run anything bigger then a 400 Lift, Then you MUST change the rocker arms to a LONG SLOT rocker arm are you will CUT the rocker arm studs in half. Even with the 400 LIFT it will still try and probley pull the rocker arm studs out of the head if the studs are pressed in like MOST stock heads are.
What is the size of the rocker arm studs on a 1980 L-48 Cylinder Heads?
Unless some one has replaced them with aftermarket studs their more than likely 3/8
What are the disadvantages of a press stud?
I'm assuming you are talking about rocker arm studs. The only problem with them as opposed to screw in studs is they can pull out of the head when high pressure valve springs are used (to accommodate high lift camshafts.)
To replace two rocker studs on your 67 Chevy c 10 350 can you replace the two pressed in studs with screw in studs without removing the head?
if you can remove the broken studs without doing damage, you may be able to redrill the holes with the proper tap drill, and retap the hole for the screw in studs without removing the heads. careful you don't drill through the head, and get drill chips in the engine. i guess it depends on how good you do machine work.
Studs for rocker keeps pulling out hole on 350 engine how to stop that?
I'm guessing you have press in studs. You can either have them machined for screw in studs or there is a quick and dirty kit that involves drilling through the sidewall of the hole and the stud and inserting a roll pin. Most performance places like Summit and Jeg's sell them.
What causes threads in an engine to break and crack the rocker arm?
You must have a modified camshaft. The lift on the cam is to high of a lift and the rocker arms are binding on the studs. You need to use a long slot rocker arms to stop that. You also need to check the rocker are studs and make sure they are not cut in half.
Where can you get torque specs on your ZZ4 aluminum head rocker studs?
http://torquespecs.xoompages.com/gmfs70-88chv8.htm the rocker studs are 7/16-14, same as the head bolts. should be torqued to about 65 ft.lbs.
Why do rocker arm nuts keep coming loose on 1995 Chevy Blazer?
Could be the studs or nuts are worn and need to be replaced. Or, could be the cam is wearing very quickly for some reason.
