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I bought a lower left hand dash pad with the speedo and tach at a swap meet. The tach is mechanical. Any one know how to tell the year model? I can find no obvious part numbers. The speedo is a 160 mph. What was the last year for mechanical tachs?

I'm looking for repair parts for the speedometer on my '77. The problems are the trip meter doesn't register any mileage (the resets cable works and rolls the trip meter numbers) and during hot weather, the needle will occasionaly begin bouncing around. I replaced the cable and no luck. I have...

I replaced the a/c heater control as a unit 1 yr ago. Got it from one of the major Corvette suppliers. It began leaking at the diverter valve on the top of the unit. It wouldn't leak if the selector was on a/c, but you could hear it if on any other position. I pulled the unit out and the leak...

1977 Vette, L48, Edelbrock carb, intake, Accel HEI Dist, headers, pretty much stock internals.. Recently I had the console and the guage cluster out (again) for some insulation work. All went back together fine. Connected all the ground wires, etc. I have driven the car twice since then and...

I want to super insulate the cabin of my '77, to help keep down heat and road noise. I have searched the web and there are numerous suppliers out there. Some glue down, some self stick, etc. I'm sure someone has done this before. Any tips on application, specific product & suppliers would be...

I have a '77 L-48. The moror was rebuilt: two owners ago and I have no idea what was done. It runs good, just "NOT ENOUGH POWER". This winter I will pull the original heads and check piston type (flat or dished) Based on that finding, I am considering the Vortec steel or the fastburn alum. The...

Does anyone know of a replacement hood or how to modify a stock '77 hood to work as the old cowl induction units circa '70 Chevelle? A sealed air cleaner base to a functional opening in the hood.... open air induction would help my underhood "hot air" to the carb problem but would like to keeo...

My '77 has power windows that work... but go up slowly. The pass side goes down in a split second and the drivers side is slow. They both go up slowly and need a little tugging to fully extend so the door / window seals properly. I lubed the drivers side slides / regulator, etc., but no change...

First, sorry for the long post, but I want to relate my experience when I ordered the complete "new" trailing arm assemblies from Fast Corvette.com (aka) Duntov motor co. I discussed what components went into these units with the owner, Allan. I was told they would have Timken Brgs. and would...

I have just replaced my original '77 steering box with a rebuilt unit from Corvette Central. I replaced the control valve at the same time with a CC rebuilt unit (new were out of stock). The power cylinder and all other front end "wear parts" , ps hoses, etc. have been replaced within the last 8...

I converted my '77 to r134a freon last Sept. While the system was down I replaced all the pressure switches, the (temp sensing) clutch cycle switch, etc. Recently the clutch has been cycling too frequently every 10 seconds it cuts out for 4-5 seconds. The cycle switch seems to have bit the dust...

I have a '77 with factory air. I am trying to get any feedback on replacing the stock blower motor / fan with something with more power... I checked previous threads on this subject and it seems there are others with my problem; low air volume from the unit. I have replaced the motor, checked...

I finally had the cracked windshield removed from my '77. The frame is in great shape for it's age, but has a few areas with surface rust. All the moulding clips are in good shape as well. I plan on power wire brushing the frame to metal and prime and paint the frame. Has anyone used a good...

I have a '77 with a turbo 350. It is leaking at all the seal areas and seems pretty tired. Summit or Jegs carry "streetfighter/ street strip" turbo 350's. B&M and TCI both have them for about the same $$$. I bought a new B&B 2200 stall convertor, flexplate, etc. and was going to have the...

I am planning on updating the motor in my '77 L48 this winter. It is stock internally. I have already put on an Edelbrock Performer, Accel distributor & coil and Dynomax headers with true duals. It has a turbo 350, 2000 stall convertor and a 355 rear gear. I want to update the heads, carb and...

First .. sorry for the long post, but I'm almost at meltdown... I have seen past posts about rear end noise but I'm still looking for advise. I have a '77, L48, auto. The car has 145k miles. Differential looks to be original. After the car is driven a few miles, (warmed up) about 50% of the time...

The windshield in my '77 Coupe is cracked. I went to a local auto glass shop and the installer advised that they can get the windshield, but the windshield gasket/weatherstrip would have to be replaced because the old one would basically be destroyed in the removal process. The local Chevy...

Just wanted to pass along good news.. I installed a set of the Dynomax Ceramic headers I read about in this forum. Summit was great and fast shipping. Their part # is WLK-86008, $240 + shipping. They were as advertised, super easy install, no grinding, no hassle. Made a 1 1/2"spacer for the a/c...

I'm new to the forum. This is very good...thanks for your time and efforts. On my '77, I was checking the steering for excess play and the only slack seemed to be where the control valve to pittman arm stud seats in the valve itself. The pittman arm is tight on the box and to the stud. This is...