As a matter of fact, it may be the same fuel pump for Corvettes (and maybe other Chevrolets with small-block V8 engines) from the late 1950s all the way to the late 1970s, so always take the time to do your research. There are several ways to drain the tank. Too test it you'll probably want to force some high pressure air from a compressor back from the fuel pump feed line towards the tank to see if you get bubbles back at the tank, if you do I. d suspect the tanks got considerable trash or rust blocking the fuel flow strainer out of the tank, that needs to be cleaned out, and you may certainly want to replace or clean the fuel tank and fuel lines. If you need to replace those items, Zip Products stocks a reproduction separator (PN GT-380) and hose kit (PN CZ-1173). Five different fuel pumps were installed into various C3 Corvettes. Finally, we ordered a new Tank Pick-up assembly from Zip (PN GT-302) along with a Fuel Tank Sender Tool (PN TL-120) used to remove or replace the lock ring which retains the sender in the tank. The factory installed a breaker-point ignition system on most 1968–1974 Corvettes to control spark. Warning: Depending on the exhaust system in place on your car, you may need to remove the final length of exhaust tubing and mufflers to do this job. 1976 Corvette Stingray: Restore, Repair, Detail: Installing a New Fuel Pump on a C3 Corvette. Remove the entire clamshell assembly and you can see the gas tank up under the rear end of your car. Strip an ⅛-in of insulation off both wires. I cleaned the baseplate mating area of the block before gluing on the new gasket with High-Temp RTV.
If necessary, adjust the position of the shield. 05: The tank can be easily removed by one person. Note: One thing you might find, if the fuel tank is original to the car, is a "Tank Sticker" on the top of the tank. But before you take the pump out, you will want to disconnect the lines.
It may help to temporarily screw a couple of very short ⅜-in coarse bolts into the bolt holes such that your pry bar can pull on the bottom side of the bolt head stretching the strap enough that, once the pry bar is removed, you can remove the short bolts and start the retention bolt into the threaded hole in the strap. The tools are simple - A good floor jack The spare tire release tool from your car Wrenches and sockets from ¼-inch up to ½-inch and 9/16-inch sizes. You should also order a replacement spill collector and drain line while you've got an easy chance to renew it. 13: Lay the tank strap anti-squeak strips, which come in Zip's tank installation kit, in the strap channels on the tank. Next, undo the four bolts that hold the removable cross-member in place. Pull the feed line off the manual pump and see if fuel drains, if it does but flow is rather minimal replace the fuel filter if you have one located before the fuel pump (most c3 won, t have this), if fuel flows easily, your fuel pumps likely to be defective as it should prime easily. For supplies, you will need about 3 feet of ¼-inch fuel hose. C3 corvette not getting fuel to carb. The forward cross-member has two slots to hold the hooked ends of the tank straps. Just make sure you snug it by hand to avoid damage to the pushrod. Once I had the Zip tank sitting next to the original, I was pleased to see that other than lacking the O. Anderson stamping, it looked just like the original, right down to the bracket for the evaporative emissions system vapor separator. The remaining bolt you can easily reach from under the vehicle. 1971-1974 Gas Tank Plastic Rear Shield. Seat Belt Pads / Extensions.
1965-1974 Gas Tank Overflow Hose, Spring & Nipple Kit. It used two throttle bodies to measure the fuel for the engine and produced 200 hp. Set your fire extinguisher nearby and drain all the fuel from the gas tank. C3 corvette fuel line diagram photos. But the good news is that they're all 1/4-inch or 3/8-inch fuel grade hose. Now it was time to unbox the Zip Products repro fuel tank. In our case the fuel was five years old and contaminated with water, rust and corrosion so we disposed it in an environmentally responsible manner.
The solution is a pair of longer bolts. The gas tank sits on top of the two cross members. • SB Chevy V8 Fuel Pump Mounting Plate w/bolts by Spectre Perf. 09: With the filler neck in place, I added a Zip Products Filler Neck Boot (PN WS-623) to replace the original boot which was cracked and rotting. Remove the straps prying the front end of each strap out of the slots in the tank support beam. Your Corvette's spare tire is held up under the rear of the car in a clamshell-style holder. Next, I cleaned and repainted the tank front support beam using Eastwood Rust Encapsulator and two coats of Eastwood Satin Chassis Black. Many older Corvettes have had their tanks replaced at least once since they were new, and many more are in need of replacement. Using an off-the-shelf straight hose will result in a kinked line and the car will not run. A total of 11, 159 1968 and 1969 Corvettes were delivered with this innovative spark system. 1968-1682 Fuel Tank Replacement | Corvette Magazine. Shifter / Transmission. Not getting fuel out of line at carb. C3 1978-1982 Corvette Parts. Portable Compressor.
• Fuel Pump Mounting Gasket #6579 by Fel-Pro. Finally, connect the ground wire to the spade terminal on the sender. 1968-1982 Fuel Tank Replacement. 1968-1974 Gas Tank Installation Kit. C3 corvette fuel line diagram 1 to 2 lines. The other way, if you don't want to replace the entire rear harness, is to cut the old tank sender wires out of the rear light harness and splice new tank sender wires in place. You did not mention which engine you have, you did not mention. How you do that may vary with local or state laws.
The computer controls various functions inside the engine with a series of sensors that measure fuel, spark, temperature, and other functions of the engine. LOGICALLY FOLLOW THE PATH THE FUEL TAKES WITH TESTING. It was easy to push the spring all the way into the hose. Mine had no gas left in it, so I loaded it into the back of my pick-up and hauled it downtown to a scrap metal recycling center. I used a couple blocks of wood between the frame rails and the tank seams. There are two to four of them attached to the tank in various places. The exceptions are the above-mentioned tank sender tool, a very large pair of slip joint pliers and a large pry bar which will likely be needed towards the end of the project when the tank straps are installed. • CARiD: Spectra Premium Mechanical Fuel Pump. 04 of 08 Inspect the Tank Photo by Jeff Zurschmeide With your fuel tank out of the car, you can inspect it thoroughly - and you can usually tell a rusty tank even before you look inside it with a flashlight. Note: The procedure is likely to be similar for C1 (1953-1962), C2(1963-1967), and C4 (1984-1996) Corvettes, but I didn't have access to these to test these instructions. This was the first year this system was installed into a Corvette. Sitting on top of the tank in bags are parts Zip includes with every '68-'74 repro tank: a tank pick-up retaining cam lock, pick-up O-ring seal, filler neck gasket and a set of filler neck screws. We started thinking of some kind of installation tool. C3 Air Cleaner 73-82.
The purpose of doing this is to keep the gasket from shifting and not sealing properly during installation. Once you have the spare tire out of the car, you need to undo the bolts that hold the top half of the clamshell to the frame of the car. You don't need to jack up the car, but you will need some space behind the car. With the gas tank in place, you can reinstall the rear bumper cover (if you removed it) as well as the clamshell and spare tire.