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I don't think manufacturing tolerances allowed for high boost levels on gas engines back then.
PD and Centi blowers were a far cry from where they are today.
Even in the 80s turbo cars were not intercooled for the most part.
Back then, increasing displacement was probably the best way to increase horsepower, particularly considering 25 cent gas.
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2010 SS - Kind of an On3 kit, CTR 78/80, CompCam 239/251 620/632 122+4, E85, Z28 suspension and ZL1 diff with Outlaw axles. Gen6 ZL1 brakes.
2011 Vert - 416/w 230/236 .612/.602 115lsa, 1LE suspension w/32mm rear bar. Z28 diff. Gen6 ZL1 brakes.
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