1968 Plymouth Roadrunner 440, 4spd. History of the car: It came factory with the 383 4bl. The original engine was swapped out at the local Chrysler dealership in 1970 under a factory warranty. I am the third owner of the car; the second owner purchased the car in 1969 and had fun at our local drag strip until he threw a rod damaging the original engine. He paid the dealership extra to upgrade to a 440 magnum at this time, he stated he could not afford to replace another engine, so he limited his lead foot to the street and back roads. The car has one repaint that was completed in 1990, the owner stated he rebuilt the 440 at this time. The engine was hot tanked and magnafluxed along with a line bore and cylinder honing. New main bearings, timing chain, heads were decked, and valve train assembly rebuilt. A mild cam was added along with headers. I attempted to purchase the car in 1993 when I bought another 68 Roadrunner from him, the car was a sight to be seen at that time. I was unable to get him to even consider selling it. He then “went away†for several years and stored the car at a friend’s storage facility inside for nearly 5 years. After no payment was made for quite some time the car was moved outside and sat in the elements until I convinced him to sell it 25 years later. Current condition: The 440 was rebuilt in 1990 and had roughly 750 miles on it before being parked. I disassembled the top end to check the condition of the internal components, everything was spotless and there were still some of the rebuild assembly paint markings. The engine was oil primed, completely resealed and painted with Chrysler Hemi Orange DE1652. I added the correct 68 painted steel valve covers from AMD along with the factory HP exhaust manifolds from YearOne. The engine bay wiring harness was completely replaced along with adding a Mancini Racing electronic ignition and Blaster coil. The engine also received new plugs and wires along with countless OEM nuts and bolts. I added a new Holley 750 classic series carb along with a new fuel pump and lines. The gas tank and sending unit are also new from Classic Industries along with a new starter.The car is relatively solid except for some of the standard Mopar floor and trunk pan issues. The lower quarters can be patched with AMD lower sections, I was going to replace the quarter skins, that makes replacing the trunk pan much easier with a one-piece floor. The rockers are perfect as well as the front fenders, no rust! There is a dent on the passenger front fender by the headlight, this can easily be pulled and repaired. The door tubs are in excellent condition, there are a couple of small rust spots on the bottom corners of the doors, they can be patched or new door skins, also from AMD. The hood will need replaced as there is a large rust hole on the underside by the latch. The roof and deck filler panel are in great shape, there is some surface rust with pitting but no holes. The trunk lid has rust on the inside seam just below the lock, this is also repairable. The unibody frame rails are in excellent condition from front to back. The entire tail-light panel is in great shape, it will however need polished and the red lines repainted. I have an OEM factory tinted windshield that goes with the car, the rest of the glass is in perfect condition. All the chrome trim is present and in excellent shape. The rear bumper was struck at some point but there is no body damage, just the bumper and the left mount was bent.The car still has it’s original 4 speed transmission along with the 8 ¾ rear axle, not sure of the ratio. The car is ready to start and tune as soon as there is an exhaust. When I removed the headers, I had to cut the exhaust just under the front floorboards. My intention was to have a 3†custom exhaust ran from the head pipes. Currently there is only the HP factory manifolds, you could just add the 2 ½ head pipes and have an exhaust shop patch back to the current mufflers if need be. The 26†radiator was pressure tested and full of clean anti-freeze when the engine was disassembled. The interior was in bad shape from the extreme heat of the sun being stored outside for so many years. I removed the headliner, carpet and package tray due to poor condition. The cloth seat material was disintegrated so I removed that portion from the front bench seat, the rear seat is in the same condition. This is a real and complete 1968 4spd Roadrunner, I have accurately described the condition of the car to the best of my ability through the add and photos. I have to many car projects and need to let a couple of them go, my plan is to focus on just one.
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