is this mean i can't tune my 3k engine according to the tosco manual???I'm sad to hear this...all hope gone...unless...guy can u help me out . ok here the target of my tuning. 3k, high revv (7-8krpm if could 9krpm), twin weber 40 dcoe, and torquee...for drift project (can wait to slit rubber infront of them while tsusio battle) :dance: