WHY?

well, the intake was new..I bought it new, no box. You can tell its never been bolted onto an engine and never had bolts installed in the EGR block off or anything..They offered to give my money back but I am heartbroken. I have wanted an intake for a LONG time and finally got one and it doesn't work. Hell, no I am afraid to buy another one. I WISH I had someone close by with a few aluminum intakes they would let me bolt on and see if they would be ok or if something is wrong with my engine..Shouldnt be the engine..when I pulled this engine out at the junkyard years ago, the heads needed a lot of work, so I just went back to the junkyard and got another set of heads and had them rebuilt and my factory iron intake had no issues sealing up with ONLY the valley tray..no sealant or paper gaskets at all. This aluminum intake has the valley tray and paper gaskets on both sides of it and STILL wont seal! If there was enough 'meat' between the top of the ports and intake edge I would just plaster RTV or something on it, but there is only a small amount of area above the port windows on the intake and I don't think it would last long before leaking through the RTV. This just sucks! Anyone got a spare aluminum intake I can try to see if it will actually work? Damn I really wanted the street dominator!


I think i got it straightened out and didnt have to pull the intake back off afterall... I found 2 things that i didnt like and fixed both so not sure which one fixed it. I told you about spraying carb cleaner along the rail and it revved up right? Well i got to thinking that maybe the gasket between the carb and intake was possibly leaking and sucking that carb cleaner in and not the intake..so i pulled the carb off and that thick gasket was pretty rough..been used a long time, so i found a thin gasket to put between this thick gasket and the intake because that side of the thick gasket was in bad shape. Next, i checked the torque on the intake and it was only at 20 ft. pds..so i tightened it up to 40..Fired it up and she idled on her own!! I ran it for over an hour and drove around and all seems fine thankfully! I do appreciate everyones help with this, thats for sure!!! Now my next problem is finding another thermoquad base plate..the throttle shaft bore on the primary side on mine is worn and it whistles to beat hell when idling and is very aggrevating! Also, i cant get the primaries to close all the way against the idle screw because of this so its wanting to idle at 1000 rpm's..I can pull it back with my hand but it wants to go back up on its own..I think with the throttle shaft bore worn that its binding the primary plates just enough to do this.. This is a big primary thermoquad, wondering if i can use the base plate off any thermoquad as long as it has the big primaries? I know the top plates and center sections vary, but not sure about the bottom plates..This one is a 9077S

I have a 9077S carburetor. Let me check to see if the base plate is good.