Hey Andrew,
Just read your e-mail... what is a TB34 400Hp Unit ? Is taht a bolt on
bigger turbo for an FJ20???
Anthony
----- Original Message -----
From: andrew smith <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, January 30, 2001 1:37 PM
Subject: Re: FJ20DET ex manifold
> Eddie,
> What turbo are you using, still the T3? How did you go with that idler
clearance
> problem? Hope you had the turbo high flowed.Having another manifold made
can be
> quite expensive and making it yourself can be time consuming.A lot would
depend
> on what HP you turbo is rated at or if you intend to go bigger later
although I
> think the standard manifold is capable of flowing enough for at least
400HP.Any
> more HP than this I would be looking at an external waste gate type set up
and
> therefore another manifold.The standard manifold will keep air speed high
and
> combine with the high exhaust pulses the FJ20's produce allow for quick
spool
> up.A larger dia manifold is usually used when ultimate HP is being chased
or if
> the standard one is to small or if you change to different bolt pattern.I
ran a
> TB34 400HP unit on an FJ20 with no back pressure problems at all.Theses
units
> were designed by Nissan for there domestic racing where no external waste
gates
> were allowed and standard manifolds retained. These turbos featured a
turbine
> housing with a larger nozzle area and a -61 turbine wheel. These are only
my
> experiences anyway maybe some others have had problems with the standard
> manifold.While you were getting your turbo done did you come across any
> workshops with any used -61 turbine wheels as I think thats what they used
in
> the RS500 Cossies.
> Andrew Smith
>
> [EMAIL PROTECTED] wrote:
>
> > I'm wondering what the limitations are in respect to power potential
using
> > the stock exhaust manifold on my FJ turbo( It's a Gazelle RS-X
manifold). Is
> > it worth me getting an aftermarket one now? The reason I ask is because
I
> > get my new turbo this week and them it will be time to get the exhaust
> > system fabricated. I don't want to have to have it done twice if I find
I
> > need a better manifold in the future. I'd rather just spend the money
now
> > and do it right. Any idea, anyone?
> >
> > Cheers,
> > Eddie
> > England
> > 1969 510 4door
> > [EMAIL PROTECTED]
> > www.ratdat.com
> >
>
>
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