TO: GUYS & GALS! Here is something I just learned this summer about lubricating HEI and conventional distributors pivot points and advance weights. It would be best to use #30 non-detergent motor oil for the advance weights to slide on and on all the pivots points too. Just a note for general information. I use it on all my five cars (only one Cadillac) and it works quite well. Of course, on the module you still would use silicone lubricant. EAM