Originally Posted by Jo
Gavin E-Cos,
I know what the 'problem' was now.
Just have to replace the 0.48 exhaust housing by a 0.63 one and it should be fine.
Still will have to go back for another dyno run then
Jo, had a look at the dynosheet, (didnt before)
but have to say.. the boostcurve looks bad.. cant possibly be only the exhaust housing when I look at the curve.
it should boost up to 5300 then slightly drop a bit , not the way yours looks thats dropping after 3750 rpm...
so maybe a rebuild
