Turbo LQ9 in a 70 Buick GS
Thread Starter
Staging Lane
Joined: Nov 2006
Posts: 55
Likes: 1
From: Nashville
Turbo LQ9 in a 70 Buick GS This is a car I am doing for a guy here in Nashville. Now I have messed with my fair share of LSx variants but I know some of you guys are just chock full of all sorts of random LSx info. One weird thing with this engine is that the way the throttle lever is positioned on the throttle body, it wants the cable to come up from below and along the front of the motor. This engine came from an 02 Escalade. Has anyone used this throttle body before? Before I weld an elbow to it, I would like to hear from you guys. Mainly, what cable did you use, or do I need to fab something to make a universal cable work? Here are some pics of the build so far.
That throttle body is from a gen 1 vortec motor, not a gen III which is why the throttle lever is pointing the wrong direction and there is no lip to clamp the intake tube to. They used threaded extensions on the three bolts that the intake piping bolted to.
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Staging Lane
Joined: Nov 2006
Posts: 55
Likes: 1
From: Nashville
I'll have some more soon.
haha either way itll def hit his goals with the 75. didnt you have pics of the fuel system!? 
Thread Starter
Staging Lane
Joined: Nov 2006
Posts: 55
Likes: 1
From: Nashville
This throttle body I have is 75 mm. Hmm... I wonder what it is from? I thought it was a camaro but I am not sure. Anyways he is planning on using a different manifold and throttle body, later on with his built engine so this will work for now.
I thought LQ9's weren't ideal for turbo's because of the higher compression?? Let me if this is not the case, as I'm building an LQ9 for my 72 Nova right now. It's not too late to add some boost
My mistake. The F body ones are 75mm and the LQ4/LQ9 throttle bodies are 80mm. This is for the cable driven units. I just found the info while looking for something else.
LQ9's are 10:1 factory as opposed to 9:1 for the LQ4's. But, the LQ9's have stronger rods. You can still turbo it but you have to tune and watch for knock.
