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The mkiv Supra Owners Club

BHP on BPU


Calzo21
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Hi guys

 

Currently selling my car, and some guy is claiming the cars probably lost 150bhp since new so will be 250bhpish

 

The car was Stock until this year in Feb/March time I got it BPUd but not Dyno'd, only at 41600 on clock

 

Got it 2 years ago with 26500 on clock....so my question is roughly what would i expect it to be bearing in mind iv already told him it's a tried and tested method and it's obvious itl loose some throughout the years

 

Cheers

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Is the mileage backed up with a service history/MOTs etc? My brothers BPU aristo TT kicked out 380hp 2 weeks ago and thats done 130k I think

 

This is the amazing thing about a tubby. The way it works means more air, less compressed fluid, more bang, less destruction, less return force (as I understand it) so therefore less ware.... but the best part is that the pressure in the cylinder is pretty constant regardless of ware, thanks to the WG keeping it constant. This means less reductions in performance, even when evidential ware is present. Tubbys actually mask performance issues as far as the longblock is concerned.

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