Belive it or not it is the cast iron ones, the truck was beat to oblivion and back by my father, the first owner. And I am really trying to fix everything I can. I need the manifolds cause there shot, the gaskets to the block are shot and it leaks from the block end and the pipes. I really want...
Thank you for the input, I need new manifolds cause I can see through them like a shotgun blast. Both ends of the down pipes fell so I held em in place till I can fix it. I welded them up a little to fix it till the summer till I can pull them. But I have a dynaflow and a magna flow welded under...
hello, I’m new to the group but I read a lot on here, I’m trying to make my 94 Sierra k3500 more fuel efficient (I’m a comedian I know) it currently has a 454 TBI in it and is you’re typical dog. I know these aren’t race trucks but I want it to be able to hold its own. I also need to to...