I am using an OEM precat. I need to plug the hole where the smog pipe goes into. I don't have any of the old piping. Anyone know what size cap I can use to plug it? can I used JB weld? Thanks.  

My 89 quest needed a new head gasket and while the head was off i am looking to getting the intake and exhaust manifolds powder coated. while i was cleaning the exhaust manifold i noticed two small stress cracks on the underside of the manifold. So, i'm looking for an un-cracked exhaust manifold. i have checked with DAD and all the recent post of quest part outs. no luck..     Please help.. If you got one that you can let go of i would appreciate it..     thanks Jeff

i made these years ago. They come in handy so i wasnt going to sell them but I need the cash.   l used to have so many oem CAT downpipes and didnt want to scrap them. So I found a use for the flanges, then scraped the CATs. I may have to save one for a member but as for now these are available and I dont know that I ever used these ones. i made 14 of them in the past sold all but these.   Anyways if you want one 85 shipped. 2 of them have the smog pipe capped so it dont leak and cant use that pi

Is the heat shield for the turbine supposed to have a little room around it? I can spin it beneath the turbine just making sure the turbine housing seats it against the center cartridge so it doesn't affect the turbine in any way