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My cam 229/242 w/114 lsa 631 lift. Love the sound and the power. I installed LT headers, 243 ported heads. My questions are the following
1. When the engine is cold the engine does not want to pull the car.
2. Anything under 1500rpm (no load) the engine wants to start bucking.
3. When the engine is cold it "blubbers out the exhaust" until warm.
Is anyone experiencing the same, and what is exactly happening and why? I need to get educated on cams. I love the sound and performance. 03 LS1 433rwhp
Who did the tune? Usually tuners can take care of some of the bucking. The cam you have is fairly radical for a 346, so I don't think you are going to be able to lug it down too much.