Source for 1970 vacuum relay

[Mark E.]

Who sells wiper/headlight vacuum relays for 1970 - E1971? See Fig. M22.11, p. 162 of 1970-72 JG.

I learned Corvette America only has L1971-72 style relays.

[Mark E.]

Re: Source for 1970 vacuum relay

Did some more homework:

This thread from January recommends Bob Demmel to restore original relays:
https://www.forums.ncrs.org/showthre...r-relay-valves

I went through Driveline, but didn't see any adds for relays or repairing relays.

The major parts houses seem to sell what looks to be the same reproduction relay, which appears close to the correct style for L1971-72. Any experiences with these?

[Gary B.]

Re: Source for 1970 vacuum relay

Send your old relay's to Bob. He has a long term repair for those.

The new relays do not hold vacuum very well and leak down within seconds of shutting the car off. I have quit using the "repo's", they just do not work very well, if at all. They use a round molded spool inside, with parting lines on either side which cause the vacuum to leak by the parting lines. Over time, they shrink from age and heat, allowing vacuum to escape even faster. Bob uses a delrin spool with O-Rings, for a more permanent fix and work great.

Bob has a new address. Private message him here and he will give it to you.

Gary B

[Mark E.]

Re: Source for 1970 vacuum relay

Thanks Gary!