Received both of my shipments today from Vintage Air. The hoses arrived via UPS and the replacement ECU come thru the post office. I got the ECU first and installed it on the Corvette and sure enough it fixed all the problems. I didn't even try the dimmer lights on the 3 knob control and left it connected to the Corvette wiring. I drove the Vette over the the house and the neighbor hollered over that UPS has dropped of a package. Sold the transmission from the Corvette conversion for 75 bucks, the ECU came and this fixed my control knob problem and now the hoses have arrived. I don't usually get this many good things all in one day. The hoses hooked up with out much of a problem and I connected the AC vacuum pump and AC gauges. Seems to be holding vacuum and I will check back tomorrow to be sure. If the vacuum holds I will Charge the system and I am up and running.
I still have not come up with any C3 Corvettes that have the LS1 conversion, so I plan to list the Vette for $16000. I am basing this on what the Vette would have been worth as a project ($5800.00 on eBay but didn't reach my reserve), the $7000 I spent and some for all of my time. $16000 but I doubt it will sell local.
I had the problem with the lighting on my control knobs and later had problems with the knobs not working right.Vintage Air was the ones who gave me the part numbers for my AC system and I made it clear it was for a 1977 Corvette, which Vintage Air does not make a kit for because of the design of the factory controls. Found out on the Corvettefourm site that the 3 knob takes a different control panel on the evaporator then the controls on earlier Corvettes (a double wheel setup instead of slider controls). Interesting that I had to find this out on a Corvette forum instead of the sales and tech staff of Vintage Air. But they did send me the proper control panel (ECU) on their dime. Thank you Vintage Air.
Made up the AC hoses and tried to find someone around here ( in the middle of Western Montana) that could crimp the hoses for me, but no luck there. Called up Vintage Air and the closest dealer was Richmond Washington 350 miles away. The guy I talked to said NAPA does the hoses for Vintage Air but when I called the NAPA stores around here they had never heard of Vintage Air and most didn't do hydraulic lines at all. Called back and the next guy said to send them in and they would crimp the hoses for free I just pay the shipping. really? Wow. The hoses are on the way and I will have AC just about the time the weather turns cool here in Western Montana. We only get about two months of AC weather and even today is not hot enough to need the AC....the heater has been working for over a month and I have had this turned on several times now. Kind of cold driving around on an early Montana morning with the windows rolled down ( no center console so no window switches and also no T-Tops) so I fired up the heater.
I was having problems getting the cruise to work but I finally found out what the problem was. One of the sites I went to, while having problems with the cruise, said to be sure pin J, the inhibit from the ECU, was disconnected. This seemed logical to me to disconnect inhibit, right? Later I found I was missing one of the brake switch voltages and repaired this problem. Now I had voltage to the cruise module when the brake was engaged and voltage when the brake was disengaged, but the cruise still didn't work. Got to looking around the internet some more and found out only a few of the trucks can function without the inhibit connected. Mine is not a truck.... reconnected the inhibit and the cruise works fine.
First time the Corvette has been at the house in 2 months. There are still a few problems to work out, but mostly the Corvette is ready to go. I can say one thing for sure, the car is a lot more fun to drive then the old smog engine relic of the 1970's.
The Radio did fit just fine into the area now filled with the evaporator. I had to move some wires and slide the console up from the bottom, but the radio slide right in. The AC controls, the ones I had the light issue with, are not working right. The knob for the fan speed needs to be turned almost all the way counter-clockwise before the fans start. The center vents come on when the floor vent is selected and the floor vent is the center vent setting. The defrost does work right, however. I re-wired the lights, I guess I can rewire leads, going to the servos, also....it would be easier then pulling the dash back out and swapping the AC hoses. One of the instructions for the install stated to turn the knob clockwise to the left...not sure how I would pull that off.