[HMeeder]

On my '72 one of the tubes just wouldn't come completey out due to conflict with sheet metal. I have heard others say the same thing but once you get the tube loose, you don't really need to remove it to replace the inner o'ring.

Also, as far as sealant or RTV or no stuff at all goes... I was recommended to try plumbers teflon sealant. It is a white goop that comes in a can with a brush attached to the lid. Around $5.00 at your local Home Depot or the like. Some guys swear by a light bead of RTV. Yet other guys use varying greases (John Rodgers uses Amsoil synthetic grease I believe.) And other guys will tell you to use nothing at all. I guess ther may be as many opinions on that subject as there are drivers! The white teflon sealant worked great for me and I haven't had a drop come from the tubes. The oil screen is another story....

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Herb
'72 1.7 Tangerine 'Teen
'74 2.0 Red Rustmobile