[theiceman]

I used curil T on all my Viton ( green ) orings. not leaking so far.

Also I bought 1104 and couldn't even get it out of the tube, must have been old stock, waste of money. Bought some yamabond and it went on like butter , great stuff, unlike 574 tho it wont dissolve in oil so be carful how you use it, don't want it in an oil gallery.
when I did my engine I thought I was going to run out of 574 so I used 574 on one side and yamabond on the other.. my yamabond side is bone dry but my 574 side is leaking a fair bit on to the exchangers.

I am checking for a rockershaft leak so jury still out.