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Anyone have a set of decent banana groove shafts for sale? If not, where's the best place to purchase a set of new shafts besides the race shafts that Mancini sells.

Thanks for the reply, white grease on the crank seal as well?

What's recommended to use on the rear main seal.... oil or light grease?

Thanks

Anyone know the head milling spec for the small block Magnum Heads?

You correct in the fact the smallest needle bearing provide the best load bearing surface on the rocker shaft. Most inexpensive rockers used large caged needle bearing because their cheaper. Bronze bushed rockers, in my opinion are the best option for most engines using adjustable rocker gear...

Mancini has 1.6 rockers arms for the small block. They are manufactured by Harland Sharp and are bronze bushed with a roller tip. On sale now for $405 which include the rocker shaft hold downs.

Thanks for all the reply and PM's No fear of Mallory metal, just a cost thing, and yes we plan using a Scat Pro Comp I beam rod at 569 grams. As for the Eagle crank mentioned above, we were aware of that option along with the Scat 9000 series crank that will balance internally.

The Bob Weight on the last 360 was 2165 grams. Speed Pro H116 pistons and stock bushed rods with polished side beams( 736 grams)

Since the machine shops in my area haven't done this before, or don't have the knowledge to answer, I have to ask the question. What would the Bob Weight have to be to balance an LA 360 externally balanced crankshaft internally without using Mallory metal? The Bob Weight on the pieces I have...

The 71 thru 75 360's used 340 water jacket coring thus creating thicker cylinder walls, but the only real way to tell is by sonic testing

X'2

Agree with Moper that forged pistons and aftermarket rods are good choice for your motor but I still would have some concern over your 340 block which is already bored. .060 is the largest over bore that pistons are readlly available for the 340 block so checking the bore sizing will be...

After using many products for pipe threads both for automotive and industrial hydraulic use over a 35 year period, Loctite's Liquid Teflon wins hands down.

Keith Black has a instruction page on their website for installing and removing spiral locks. If you change a lot of spiral locks here some tools that really help... JMS Motorsports has a removal tool for spiral locks... contact via telephone @ 218-843-5477 Lock in Tool has the installers...

Why don't you phone Hughes to be sure.

The amount of shims depends on the width of the rockers, spacers and hold downs and there is no set formula on how many shims and where they go. Center the rocker arm over the valve and add shims to take up the clearance. You may have to switch rocker arms, spacers, and hold downs around to get...

Some machine shops carry 5/16 hex stock. You will need about 16 inches of it. Get them machine off the hex portion off the shaft 1 1/2 inches either side of center. (three inches total) This will stop any wear on the intermediate bushingwhile priming. And yes it doesn't have to be hardened...

Moper is right, but if you are using T/A, W2, W5 and other heads that have offset intake rocker arms the pushrod lenght will be affected.

Here's some manifold heights from various small block intakes A is the front measurement B is the rear measurement 1971 Stock Themoquad 340 cast iron manifold A 4.0625" B 5.1875" Edelbrock LD340 A 4.625" B 5.625"...

X2 Why take a chance on your personal safety or the circumtance of a motor falling off a stand. It is common knowledge that threaded rod, commonly known as redi rod, is structurely weaker than even a grade 5 bolt. For the cost, grade 8 bolts are cheap insurance.

Here's my old motor combination for the Super Gas Charger 340 block, O ringed and bored .020 over 340 crank clearanced and polished BRC Aluminum Rods Light weight Forge True pistons with 84 gram pins Hamburger aluminum pan W2 heads by Mullen 2.02/1.60 Victor W2 intake Cam Dynamics 620/640...

Now that is pure B.S. I used 2 bolt blocks in the Super Stocker, Super Gas and fast Bracket cars with no failures. Insure the cap registers are tight, install a stud kit and line hone the block after installing the studs and you should be good to go.

pettybludart.. You state that you are using a roller cam for this build up. Are you using a hydraulic roller or a solid roller, what spring pressures are you using and what is the intended use of the motor. These are some of the questions that need to be answered before you choose a rocker arm...

Mancini has raw steel small block dip stick and tube kits for $12.95. I believe this is the same set up that comes in the Direct Connection 360 oil pan kits.