Quote:
Originally Posted by Blue GMC
Running an Edelbrock 1405 carb. Engine was ran for the first 300 miles with break in oil then drained and the valves were adjusted and the oil was switched to Mobil 1. Details I remember from rebuild are few as the paperwork was lost last year when basement flooded. But running a mild can upgrade with cast votrec heads bored .60 over. Trans has a stage 2 shift kit and a 2200 stall. Builder said had to have an octane booster added with each tank as 92 octane would not cut it
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Was the cam properly broke in if it is a new flat tappet? And unless you're running 11:1 compression or higher you won't need octane boost. I have a very snotty 355 in my truck, and at 10:1 compression with a wicked cam for the street, I can run 92 octane right out of the pump no problem.
Gary