Turboing an L20B seems to be a "cheap horsepower" combination. When you talk
cheap turbo setups on the L20B the non-crossflow is great for making your
own non-intercooled plumbing...minimum tubing.
But when taking on a challenge like bringing the old L20B up to power you'd
have to consider the overall limitations of the old vs the new...stuff I
wouldnt have a clue about...maybe the cooling capacity of the L20B coolant
and even oil...the different metals used than the newer.
There are heaps of differences in the newer motors working together to get
the horse power figures they get.
But if they can make a NA valiant 225 slant six do 9 seconds for under $5000
you can do almost anything.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, February 24, 2001 9:49 PM
Subject: Re: L20B TURBO v SR20DET
> Gday
>
> I rekon you would be nits to try and make a L20Turbo up to SR20DET horses.
The L20
> was not designed for a turbo so it would have so many more problems then a
new SR.
> As a side note, you might aleready no but NIS016 was written off about a
month ago
> and the driver lucky to live.
>
> Pele.
>
> Gary Savage wrote:
>
> > Denzil Palmer wrote:
> >
> > > The question is, given a similar size turbo would the L20B engine be
able to
> > > produce as much power as the SR20DET?
> >
> > Probably not! It's not just the turbo that makes the power, but the sum
of it's
> > parts!
> >
> > > Take it that the L20B would be
> > > injected, with after-market computer, intercooled, mandrel exhaust and
built
> > > to the required standard. The fact that the modern engine would be
cheaper
> > > isn't the point. The idea is to keep the traditional L-series engine
but
> > > with a modern induction system.
> >
> > You will spend twice as much to get an old L20B to even get close to the
> > SR20DET, so if you are just throwing money at the car just to keep an
antique
> > design in there, go ahead! ;-)
> >
> > > If the 300+hp L20 B turbo idea is feasible, then what needs to be done
> > > w.r.t. engine internals? If anyone has already done this your thoughts
would
> > > be invaluable.
> >
> > I'm assuming that you are willing to spend more money on the motor than
the car
> > is practically worth, right? I would guess that $5000 might get you
that motor,
> > by the time you get all the trick stuff to make it do that. It's hard
to beat
> > new technology! ;-)
> >
> > --
> > Gary Savage - Racing in Memory of Swede & Shelly
> > Eugene,Oregon
> > [EMAIL PROTECTED]
> > '70 510 2dr - "Casper" the VG Turbo, double A-arm rocket
> > '70 Plymouth AAR Cuda Factory Trans-Am Racer
> > Check out our Team AAR 'Cuda stuff at:
> > http://www.aarcuda.com/merchandise.html
> >
>
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