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Discussion Starter · #1 ·
what is the max hp out of a 5m so far? I am planing to build the hell out the motor and turob it....will i surpass 500 hp? and would i be able to use a 7m trany on a 5m motor, so it would hold more hp?
 

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Depends on your definition of a "5M".

As I've mentioned earlier in another thread, Russ M is doing just a little over 900rwhp on the bottle. This is on a 5M block (I asked him personally 5 years ago @ the Vegas meet, it's not a 6M block), using a 7M crank. Forged innards, supposedly a Turbonetic's T66 turbo, custom Spearco IC (done to his specs), GM 2-spd Powerglide, can't remember his NOS setup...

If you have the $$$$$ the mega HP is yours.... 8)

BTW, he did mention several years ago that on stock innards, things started failing around 600rwhp...
 
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