Paddy,
Looks good.How did you go with a carbon seal or did it already have one
fitted.You might try fitting an overboost can to try to get it to boost quicker
as this helps stop wastegate creep.
Andrew Smith
Paddy McMillan wrote:
> g`day all,
> just an update on me mazda turbo powered L series, i finally got round to
> fitting it, i hadnt intended to but i fitted it to me L16motor with a U67
> head, ~2cc 85mm pistons, L18 crank, and a B cam(cam was in the head
> already), its got a 2.5" exhaust and using a single 1.75" SU carb, ive only
> just got it finished this weekend and its goin better than i expected it to,
> nothin overly flash but it goes ok, its starting to boost at 3500rpm, at
> 4000rpm its at 5psi and hits full boost,7psi, about 5000rpm, theres no
> audible pinging with the timing set at a static 8 degrees advance and it
> revs good upto about 6500, mite go higher but i havent pushed it too much
> yet.
> just thought id let you guys know how it went, i honestly thought it
> wouldnt even get to the 7psi mark coz of the turbine housing being quite
> big, but it does, and i rekon it may even make more if i alter the wastegate
> a bit. :)
> anyway heres a pic of the motor
> http://www.geocities.com/paddy510/L16turb.jpg
> http://www.geocities.com/paddy510/turbside.jpg
>
> Paddy
>
> > > > > andrew smith wrote:
> > > > >
> > > > > > Paddy,
> > > > > > The Mazda turbo is quite good and can be easily modified to flow
> over
> > > 400 HP if
> > > > > > you need to later down the track as i'm sure you will. The exhaust
> > > housing is
> > > > > > quite big so you'll probably have a late spool up especially if
> your
> > > only using
> > > > > > 1600cc.As for the cam the standard ones work ok but a proper turbo
> cam
> > > with
> > > > > > wider lobe seperation, long duration and high lift work a lot
> better.
> > > There
> > > > > > cheap to so I bought a couple of different grinds to try( I like
> the
> > > Fury
> > > > > > Bluebird copy the best).Water injection is a must but I had
> trouble
> > > with those
> > > > > > Ford expansion tanks cracking from a backfire.What dizzy are you
> using
> > > and what
> > > > > > advance? The L series love turbos and if you blow it up just throw
> > > another motor
> > > > > > in.
> > > > > > Andrew Smith
> > > > > >
> > > > > > paddy mcmillan wrote:
> > > > > >
> > > > > > > g`day,
> > > > > > > i bought the turbo and manifold together, someone had it
> made up
> > > to suit
> > > > > > > the mazda turbo and never got round to using it, it was
> apparently
> > > goin into
> > > > > > > a 1200.
> > > > > > > approximate measurements are
> > > > > > > turbine wheel 2.125"/2.44"
> > > > > > > compressor wheel 1.75"/2.5"
> > > > > > > compressor has a 1.75" inlet and 1.56" outlet
> > > > > > > its water cooled and has a split turbine housing and a 7lb
> > > wastegate
> > > > > > > actuator ,ive been lookin on the net for info but havent found
> > > anything
> > > > > > > specifically on it yet.
> > > > > > > im goin with the A87 head on it as my w53 needs some work done
> to
> > > it b4 i
> > > > > > > can reuse it.
> > > > > > > Terry do you know the specs of the A & B cams? timing, lobe
> > > seperation and
> > > > > > > lift would be good to know. and where did you get the specs
> from?
> > > > > > > cheers
> > > > > > > Paddy
> > > > > > >
> > >
> >
> >
>
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