I should go a bit more in depth here. I have a 84 C20. It's got a kinda wild cam RPM intake port+polished heads all the good stuff. The 1406 carb was by no means a bolt on and go. I had a lean backfire under light acceleration. I had to change the jet just to get it driveable Its al I had avaible and I needed the truck. I still need to get a rod and jet kit to get it running right but they are kinda pricey like $120 cdn. And I am trying to get the 67 on the road for the summer so it will have to wait.
My Dad is running a 385 with the performer intake 1406 carb World S/R heads. It's built for towing and lot's of torque that carb works great good millage and nice responce. With the exception of the choke. It is horrible.
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