are you running turbo? you don't mention it.
if trying to go normally aspirated, take a look at the circle track v6 articles. the CT boys were pulling near SBC horsepower levels out of a Buick with a LOT less engine weight, made for a bad *** late model.
the downfall of the v6 in circle track was that it takes more money to build it to those power levels than a comparable v8 ( 100 extra cubes, duh ) and they had to spin so much rpm that they didn't last all that well.
http://www.teambuick.com/reference/l...aker_buick.php
http://www.teambuick.com/reference/l...for_racing.php
http://www.teambuick.com/reference/l.../v6_stage2.php
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