My 408 also uses a Hughes custom cam, and also uses a 106 LSA, and is also a hot street car. In my case the 106 LSA was spec'd to fool engine into thinking it had more than its 10:1 compression at my elevation of 3200 feet. This is in a 69 Swinger with a 4 speed. 3.55 gears only provide rubber at anytime up to 60mph with street tires. The 2.94 gears are actually a lot of fun on highway trips, still a major traction issue in 1st and second gear. I can let clutch completely out in 1st without any throttle input. Current intake is Victor W2, this season I am going to experiment with a dual plane W2 intake for fun. I have 4.10, 3.55, 2.94, and 3.23 chunks to swap around, only one I havent tried is the 3.23 which I feel will be just the ticket for fun all around driving, my 3.09 first gear a833 trans helps with not needing deeper rear gears. Here is my cam, engine made 547 hp, 562 ft/lbs.
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