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Old Sep 12, 2008 | 10:50 PM
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Chip
*** Sierra RS Custard ***
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Bar of boost by 3500rpm without labouring the engine was quite impressive I thought for a 400bhp+ capable

All in all, your car is coming together very nicely I reckon, im surprised at the progress we made round combe, from how it went I wouldnt have been at all surprised at 300bhp at that boost level, so it going that well on only 273 is pretty impressive stuff.

So much more to come out of the 1.2 boost setting, FAR too rich still (it only made 283 the first time we strapped it on with that same boost controller fitted cause it was so rich, I then quickly culled a load of fuel out of the map between runs just to get it vaguely into the right ballpark, and it picked up about 3-4 lbs more boost from the same setup and gained 26bhp) the timing was WAY retarded too, I reckon it will easily take 10 degrees more at least at the top end.

We'll have to go out and do some mapping next time you have a day off or whatever, and then pop back, as Id like to see 340bhp+ on the 1.2 bar setting before we start dialling in any more boost, one step at a time and all that
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