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So a few thousand miles later, it's still all hanging together. Survives another trackday at RAF Marham.

17th September a trip to Lorven Limited in Ipswich for a run on their dyno.

Recap:-

SAS run

Boost is up slightly......about 0.1 bar ;-) , following the same target boost profile as std, engine certainly does feel stronger.
The bottom line result was 432.9 BHP, which slightly up on the SAS result, probably not as much as I would have expected
but need to remember it was a different dyno, and further more, each car did 2 runs whose 1st and 2nd results were more
consistent than the previous runs at SAS.

 

Fueling plot.

 

LM-1 data logger setting up page here.

 
Download the data files:-    http://www.lotuscarlton.co.uk/ipswichsept06.ALD

                                               http://www.lotuscarlton.co.uk/ipswichrrsept06.dif

A look at waste gate duty cycle compared to std LC boost target mapping.