Andrew,
I was also hoping for around 250 and believe it is good for it if it when i have
another go.The boost was set at around 15psi on the street and has an overboost
of about 18psi but the dyno guy reckons he saw it go to 20psi under 100% load
but this was just an overboost spike.I had a bit of toluene in the fuel for safe
keeping and the motor sounded sweet at 5500 with 100% load.I've never found a
hill that will slow the motor under boost condition but thats what these dynos
do thru the rev range.I only had a .48 exhaust housing on it as the .63
developed cracks so it should get a bit more with the .63 housing and the used
stage 3 wheel i just picked up for $120.I've also got a 288 duration cam to go
in.I think that will be about the limit until i get forgies then it will be time
for the 60-1 and efi.500hp here we come.
Andrew Smith
Andrew Denniss wrote:
> Hey andrew that HP output is quite impressive from a L20 turbo what kind of
> boost and fuel where you using?? I will see how much the Ca18 will be making
> next week at the datnet dyno day Im aiming around the 250hp mark before the
> head comes off for some further work and some new valve guides ect.
> Andrew
>
> andrew smith wrote:
>
> > Put the L20 turbo in a dyno comp yesterday.I won the 4 cyl turbo class
> > and also got the highest hp per litre.The old dinasour made 228 hp
> > before wheelspin set in which was at about 5500rpm only 200 rpm above
> > the max torque figure.The mdx dynos stop the engine from reving futher
> > while it measures torque and every time it would try to slow the motor
> > over about 5500rpm it would just break loose cause the dyno graph to do
> > loops.Anyway im gunna go back when they have more time to spare with
> > bigger tyres and get them to strap the car down better and see what
> > she'll do at around 6300 where i rekon it should make peak hp.They only
> > put some straps on the front lower control arms.Then i'll run it up on a
> > dynodynamics dyno and see what she'll do as about 25 of the cars there
> > had run on these previously and recorded between 40 to 75hp more on the
> > dynodynamics.
> > Andrew Smith
> >
>
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