540 BBC NITROUS, BLOWER & TWIN TURBOS 

FULL RESULTS, ALL POWER ADDERS! Nitrous, 6/71 supercharger, Procharger Centrifugal Supercharger and Twin Turbos- We tested them All on a BPE Power Adder 540 BBC Stroker. Blue Print Engines offered up a 540 Power Adder Crate motor so we could run 4 different power adders. We started with a 250-hp nitrous shot, then ran a dual-quad, 6/71 blower, then a Procharger F1A-94, then twin S475 turbos.

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