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General B58 performance tune

FlyingTexan

Grenadier Owner
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BlueSpark really let it rip. Pretty impressed with these numbers.


Horsepower: 286 to 430
Torque: 331 to 464

My worry hasn’t been the engine. There’s TONS of B58s running 550hp+ and living long lives. The ZF tranny used was a little bothersome with its 350ft/lb limit but again there’s many guys running 500+ at the wheels with 50k miles doing it an no issues. I was reading from an engineer who said the real limiting factor for longevity is the trannys ability to cool itself so even the zf45 version was safe to 700nm worth of power. Since it’s not going to be a track car running super hard for 20min straight at a time it shouldn’t have any issues. If there’s any slippage then I’ll turn it down and upgrade the tranny to match but should be good to go. Will be interesting to see how it handles and daily drivability. I haven’t exactly wanted for more power but I can definitely feel it’s at its limit.

Should have it in Wed/Thur and will report back.
 
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