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Messages - mark89a

#1
1968 Shelby GT350/500/500KR / Re: 1968 KR Tilt Motor
September 11, 2022, 05:32:36 PM
I saw that one on eBay but it doesn't have the safety switch built into it.  I'm guessing 67's didn't have one, or it was someplace else?  I could likely retrofit a safety switch into that NOS one, except the one in my existing actuator apparently has some burned contacts, as evidenced by high ohm readings.
#2
1968 Shelby GT350/500/500KR / Re: 1968 KR Tilt Motor
September 11, 2022, 05:20:21 PM
Interestingly, I just talked with a guy at a car show and he suggested lubing up the inside of the cylinder walls with silicone grease.  The actuator actually comes apart very easy, so it's obviously engineered to be serviceable.  Anyways, I lubed it up and it works now!  I'll probably still call Tony on Monday because the switch inside has excessive Ohms when closed and it doesn't appear to be easily serviceable.
#3
1968 Shelby GT350/500/500KR / Re: 1968 KR Tilt Motor
September 09, 2022, 06:58:08 PM
Thank you.  I'll shoot Tony a message.
#4
1968 Shelby GT350/500/500KR / Re: 1968 KR Tilt Motor
September 09, 2022, 06:56:28 PM
I have the bracket grounded to a 12V battery.  The relay clicks when I apply positive to #1 and when I release power.  I can tell the solenoid is working since I have Tee'd in vacuum gauges on both sides of it and can see vacuum on both sides after I apply power (with the vacuum motor hose plugged).  Thank you
#5
1968 Shelby GT350/500/500KR / Re: 1968 KR Tilt Motor
September 09, 2022, 06:43:12 PM
When I pull on the cable manually, the steering wheel pops up as it's supposed to.  I am aware of a leak in the vacuum canister, which is why I was applying vacuum with the underdash assembly out of the car.  I checked the solenoid and relay according the pamphlet-style manual and your coral snake website.  They appear to be functioning properly.  The only thing not happening is the metal pawl is not retracting into the vacuum motor.
#6
1968 Shelby GT350/500/500KR / 1968 KR Tilt Motor
September 09, 2022, 03:58:27 PM
I have been going thru the tilt-away system on my 1968 GT500KR and one of my first tests was the vacuum motor.  I put vacuum to it with a handpump and got nothing.  Then I connected an AC vacuum pump with a gauge inline between the vacuum pump and the KR's vacuum motor.   I started with 5 in Hg and went up to 25 in Hg of vacuum and got no movement from the pawl, which was fully extended and tied to a weight.  When I pushed the pawl all the way in, the vacuum held and I could not pull the pawl back out without releasing vacuum.  I'm assuming the KR's vacuum motor is bad?  Can it be rebuilt or does anyone perform this service?