1977 GMC C15 Sierra Grande Standard Cab Pickup 2-Door 7.4L

1977 Gmc 2wd short bed built 454 bored . 30 over forged pistons. 9. 75 to 1 compression 219 and 188 valves. big oval port heads. stock crank and rods. ls5 cam. 800 holly. msd box. roller rockers high volume fuel pump. transmission built with a 2000 stallrear end is posi trac 12 bolt with either 3. 73 or 3. 42I bought this truck with all the work done to it. it has been a really fun truck to play with since I have had it but it is time to let it go and have others have fun with it. it has new tires new tie rod ends new key ignition. I cant answer a whole lot of questions about it because all I have done was just drive it and it does run really good. I has some rust beginning but any one with any type of experience it wouldn't be a problem to fix it. The motor isn't original to the truck