My project vehicle has a 350 out of a 79 Chev 4x4. It's bone stock with the original quadrajet 4 barrell. (17058213, 0738 BJB are the #'s on the carb)
Last week I got the project to the point that I could start the thing up. It hadn't run in 3 yrs. Using a gas jug for a gas tank, and after a few squirts in the carb it fired right up great. I've had it running several times to get it up to running temp and check it over for leaks and can't drive it yet except to move it in and out of the shop.
Anyways it's starting and running great but I think it's too rich. My shop and my clothes have that rich exhaust stink and the new exhaust has black build up at the tailpipes. I checked the two air/fuel mixture screws, one side is out 4 and the other is out 2 1/2. I've read here before that they should be the same on both sides and about 2 to 2 1/2 turns out. Just wondering what I should try and how do I adjust it properly? Is leaner in or out on the screw?
Last week I got the project to the point that I could start the thing up. It hadn't run in 3 yrs. Using a gas jug for a gas tank, and after a few squirts in the carb it fired right up great. I've had it running several times to get it up to running temp and check it over for leaks and can't drive it yet except to move it in and out of the shop.
Anyways it's starting and running great but I think it's too rich. My shop and my clothes have that rich exhaust stink and the new exhaust has black build up at the tailpipes. I checked the two air/fuel mixture screws, one side is out 4 and the other is out 2 1/2. I've read here before that they should be the same on both sides and about 2 to 2 1/2 turns out. Just wondering what I should try and how do I adjust it properly? Is leaner in or out on the screw?