Push Rod Tubes

JMHO from Best - Good

Original 1 piece metal properly stretched to 7.5" IIRC Metal 2 piece that screw apart Plastic spring loaded

BTW are the cylinder head nuts properly torqued down?

Thanks Dave. Not sure about heads torqueds properly or not. 1970 T3 auto squareback thats never had engine/transmission out!. Wouldn,t like to guess how many miles on the old girl. It would certainly be wise as you suggest to check torque if I,ve got it down that far. Cheers John

Avoid those nylon spring loaded tubes, they are only for temporary emergency fixes.

MOST tubes, regardless of design, leak.

Aircooled.net supposedly has the best tubes available:

Jan

available:

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These look a lot like the original (ie, pre-WWII) VW push-rod tubes.

-Bob Hoover

My bus engine came with Scat spring loaded tubes. If I use the seals that come in a generic gasket kit, they don't leak. If I use the more expensive silicon gaskets, the springs apply too much tension to them and they leak. I have a new supply of stock tubes for the next time I pull the heads. My bug engine has the stock tubes and they are the easiest to install and they don't leak with the silicon gaskets

I have aircooled.net tubes, they don't leak. I've also put some permatex onto the seals just the on the round part that mates with case/head.

Ant> >