oil change and spinning the push rod by hand a few turns and all seems to be okay; oiling working, but I have 2-3 push rods that just don't spin...

no problem there, I hope...

Mark

"God Bless Texas"location: Houston,TX

Probably time to soak the rocker arms in some solvent as the shafts might be gummed up.

Butchering up everything I can get my hands on in Dayton Ohio

Started right up!

But I've noticed that a few of the push rods do not rotate, and a few do not seem to be getting oiled...

This can't be good, right?

"God Bless Texas"location: Houston,TX

hot-cha-cha-cha!

thanks to the generousness of a fellow-forum member in Texas, four push rods arrived this afternoon.

Just installed a replacement one, using the "oil and then whack the valve to make sure its not stuck..." step as mentioned earlier; then pulled the coil wire off and bumped the engine to make sure the rod/rocker actually moved as it should, and SUCCESS!

Of course, the battery was too low to actually start it, so back on went the charger...

we'll see in a few if the "chug, chug, chug" is gone!

thanks to all who jumped in with suggestions!

Mark 

"God Bless Texas"location: Houston,TX

Ted,

I just sent you an email msg to your work email.

thanks, Mark

"God Bless Texas"location: Houston,TX

Ted, again thanks for the offer of assistance;

not sure how to get my hands on a ball to place in the cup so I can do the calculation you describe...

any suggestions on that item?

"God Bless Texas"location: Houston,TX

Mark.  I do have some stock pushrods here that measure 8¼“ overall length.  These particular pushrods are 8.100” effective length and are the ¼” diameter units.  While overall length can vary due to cup depth, effective length is a constant.  Different manufacturers will have different cup depths which is why this is important.  Effective length is measured by placing a ball of a known diameter in the cup end of the pushrod, measuring the overall length with the ball in place, and then subtracting the ball diameter.  Just let me know exactly which pushrod and I’ll get a couple in the mail once you email me your shipping address.  My contact info is at www.eatonbalancing.com  .

Lorena, Texas (South of Waco)

Ted, thanks for the offer...

using a plain ole ruler, my rod is 8 1/4 inches long...

or 21 cm...

bear in mind it has a very slight bend, so that might make it a hair or two longer.

does that sound standard?

Mark

"God Bless Texas"location: Houston,TX

Mark.  What is the effective length pushrod you are needing?  I’ve bins full of stock used pushrods here in the various Y lengths.

 

Chuck.  While the oil baffles are a consideration for the rocker arm geometry, it’s not a model year qualifier for the pushrod length.  Seems the later model pushrods were the same lengths as the early models which rules out the oil baffles being what determined the pushrod length.

Lorena, Texas (South of Waco)

Speaking of push rods. I've been wondering for a while if the difference is longer push rods for the heads with the oil diverters under the rocker stands. Is the thickness of the diverter about the same as the difference in pushrod lengths? Chuck

Y's guys rule!
Looking for McCullouch VS57 brackets and parts. Also looking for 28 Chrysler series 72 parts. And early Hemi parts.

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