Former J/S FI 86 Turbo Coupe 351C swap April 02, 2018, 11:39:49 AM I recently bought an 86 Turbo Coupe that was campaigned for the last few years in NHRA stock category J/FI, a stock class for later fuel injected cars. It won three Wallys at National events, including one US Nationals win in Indianapolis. I bought it less turbo 4 and 5 speed, and am converting it to 351C power for now. I am using a 1970 351C 4V with C4 trans and 4000 convertor. Eventually, I would like to move up to mod motor wth a big turbo. For now, the Cleveland will do. I have the solid motor mounts built, as well as headers and oil pan. Yes, this is a low buck project to teach my 15 year old son how to do something besides play stupid ass x box. Everything is mocked up and built at this point, and I will begin disassembly this week to prepare for cleaning up under the hood, paint, and new wiring kit to eliminate the cluster under the hood and inside the car. I had considered converting the dash to Fox body Mustang to lighten up the interior, but have not been able to find one at the boneyard yet. Still looking. I plan on eliminating everything the car does not need to get down the track in hopes of getting the car down to 27-2800 lbs without my fat ass in it. My kid is much smaller than me, and i will be teaching him how to drive it, guaranteeing he will be broke for the rest of his life.FYI for those also doing this swap, I used a set of cheap (80 bucks) Summit headers for 70 Mustang with 351C 4V. Number four (pass side rear) tube needs turned straight down to clear firewall. Original tube is swept back toward firewall. The driver side needs routed around the steering on the number 5 (front tube driver side). I also had to use a borgeson universal joint to modify the steering shaft for clearance. 80 bucks, two hours of cutting fitting and welding on two tubes, and your done. These however are only 1 3/4 tube headers, but will do for up to 500 hp or so. Any more and you will need 1 7/8 or 2 inch.The car had connected subframes and 8.8 with spool and 5.13 gears, and Moser 31 spline axles. Since my local track is 1/4 mile, I will swap the gears for 4.57s. I will be buying or building a new set of custom control arms to replace the factory ones one the car now. If nothing else, will box the factory arms. The car hooked and would carry the front wheels 4 ft in the air, so it worked well before. I will also be fitting it for a roll bar this summer.Other changes coming will be to swap out the stock fuel tank and lines for a fuel cell and 1/2 inch aluminum fuel line. The car will be getting a V8 radiator, electric fans and water pump, and dropping from 30x9 MT slicks to 28x10.5 Hoosier slicks, as well as shorter front tires. It has 28x7.50s on front now for NHRA Stock competition, will be stepping down to 165R15s for bracket racing. Also will be completely rewiring to eliminate all the extraneous crap that a drag car doesnt need.Anyone else running something similar to this? I am hoping for consistent 11.0s with this car. It will not be street legal, just a fun drag car to play with and teach my kid with. I figure later on, if he stays interested, we may upgrade this car, or maybe move on to a tube frame car. My long term dream is to field a Nostalgia Pro Stock car, but that probably wont ever come to fruition unless all the stars and planets line up. For now, we just want to have fun. For those of you who have went this path before, step in and share your experiences, ets, failures, etc. We've all been there, help avoid the pitfalls for others after us.