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Nick
I was going to get the pistons made with he same 10.5:1 compression ratio. I am looking for rods at the moment. Not much out there for the BUH engine.
Ray.

Nick, The ECU does have knock control I never set it up the car is a, Ultima Evolution it is a kit car based on a Group C le mans 24 hour car built for McLaren. Ultima Sports in the UK makes it. Normally it used a GM LS engine. Special Piston Services In Melbourne Australia are making the piston. I ...

What an interesting car that must be. Rather than answering any questions, I just want to know more about what you've done. Tuner? ECU? Intercoolers? Manifolds? Gearbox? etc The tuner was me, ECU is a Motec M150GPR, Large water to air intercooler. I designed and made the manifold. Gearbox is Porsch...

Hi Ray, Th BUH internals are pretty strong so while you can rebuild with forged if you wanted it isn't necessary for the power level you're currently running which is almost identical wheel HP to my car (802hp vs 803hp). I'd suggest anything north of 1100hp Flywheel is were you "need" to be forged ...

What an interesting car that must be. Rather than answering any questions, I just want to know more about what you've done. Tuner? ECU? Intercoolers? Manifolds? Gearbox? etc Anyhow, there are usually two sorts of answers to this. Go ahead and add a bit more boost and then tell us all what happens -...

I have the 5.0L V10 BUH engine fitted to a Ultima Evolution. The engine is stock except for the direct injectors are not used and port injectors fitted. The turbochargers are Garrett GTX3071R Gen II. The engine makes 803 HP at the wheels at 22 psi boost. Here is the dyno chart. I have damaged two pi...