The reason these are more common is that they easily produce +15psi boost
with low lag due to the use of the small exhaust side from the t3, the t4 is
the blower side and this is what produces the higer boost..
yes it's a very nice setup to use, but I wouldn't do it on a stock engine..
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Wayne Jones
> Sent: Monday, 18 September 2000 3:00 PM
> To: [EMAIL PROTECTED]
> Subject: Re: custom turbo set up, I need help
>
>
> when serching fora turbo i looked for the most lastest (hopfuly more
> advanced), proven reliable turbo that was from a engine with similar
> displacement to mine thats how come im looking at the ca18 and sr20. but
> every time i look in mag which has old carby cars with custom turbos they
> all seem to be using a to3 garrett some use t03/t04 hybird???.
> anywa is this a better turbo than the ca18 and sr20???
>
> regs
>
>
> >From: "Denzil Palmer" <[EMAIL PROTECTED]>
> >Reply-To: [EMAIL PROTECTED]
> >To: [EMAIL PROTECTED]
> >Subject: Re: custom turbo set up, I need help
> >Date: Sat, 16 Sep 2000 20:41:04 +1200
> >
> >Andrew,
> >
> >You say the L20 turbo doesn't drive like an FJ20/SR20 turbo what do you
> >mean
> >by that? That is a great result though for a "classic" turbo setup, ie
> >using
> >the L series engine and carbs.
> >
> >What was your terminal speed at 13.2 and diff ratio & tyre sizes, did you
> >have turbo-lag in normal driving.
> >
> >----------
> > >From: andrew smith <[EMAIL PROTECTED]>
> > >To: [EMAIL PROTECTED]
> > >Subject: Re: custom turbo set up, I need help
> > >Date: Sat, 16 Sep 2000 5:52 AM
> > >
> >
> > > Wayne,
> > > If your'e going to do a suck thru set up you'll need a
> >carbon
> >seal.
> > > Check with your local turbo shop on availability and cost of
> having this
> >done
> >on
> > > a T25 or T28. Doing this on a T3 can be much cheaper [ mine
> cost $60 ].
> >Suck
> > > thru is the easiest way to go as there is a wider range of suitable
> >carbies
> >eg.
> > > CD strombergs, SU's and webbers although webbers are quite
> expensive and
> >harder
> > > to set up. I did my first suck thru on an L16 510, 20 years ago. The
> >book you
> > > just ordered will be usefull as research is the key to success when
> >playing
> >with
> > > turbo's. Another book I've used is Turbochargers by Hugh Macinnes
> >although
> >it's
> > > getting old now it has plenty on carby set ups and basic turbocharging
> > > principils. About a year ago I pulled my FJ20T/510 off the road for a
> >major
> > > rebuild as it was getting a bit smokey, the gearbox was
> making noises in
> >second
> > > gear again and the body was showing a few rust holes.So I
> bought another
> >510
> >for
> > > $300 but after driving it around for couple of weeks it
> wasn't much fun
> >with a
> > > standard L18. I wouldn't be using the T3 from the FJ20 as I
> had bigger
> >plans
> >for
> > > that and I had an L20 sitting in the garage so this began a low cost
> >conversion.
> > > The L20 was freshened up with a rebore,ACL pistons, molly
> rings, crank
> >ground,
> > > rods were polised, shot peened, resized with new bolts. An
> A87 head was
> >ported
> > > and 44mm inlet valves used, Crow valve springs and lash pads
> were used
> >with a
> > > Wade turbo cam with 288 duration and 114 lobe seperation. I
> made steel
> >inlet
> >and
> > > exhaust manifolds which took about 4 days of cutting, grinding and
> >welding. I
> > > then made a 3'' turbo back mandrel bent exhaust.I found a CD175
> >stromberg at a
> > > mates wrecking yard and welded an adapter plate to the
> turbo.I used the
> >largest
> > > needle and seat available and a custom made needle and jet.These are
> >usually
> > > found at some of the older turbo workshops.Electronic dizzies are a
> >must, I
> >used
> > > a Bosch and had it modified by Turbowise in Perth for $50.
> The dizzy is
> >set at
> > > 15 with 6 mechanical advance and standard vacum. I made up
> 45 psi water
> > > injection set up with a fogger nozzle which is activated by a hoobs
> >pressure
> > > switch at 6 lbs boost. A borrowed Holley blue was used but this was
> >changed to
> >a
> > > Carter 110 gph [ these are much quieter and you dont need a
> regulator].
> > > Backfiring can be a bit of a problem especially when cold and using
> >steel
> >inlet
> > > manifolds. After playing around with different needles
> sanding them
> >down in
> >a
> > > drill ] the mixtures were pretty good. This stopped the
> backfiring but
> >the
> > > choke must be used until the motor is nice and warm.The car went well
> >with
> > > plenty of grunt between 3 and 5 but power fell off over 5.
> First trip to
> > > ravenswood it run 14.8@95 with a single spinner and shifting at 5
> >running
> >15psi.
> > > The single carb was to restrictive and after searching everywhere
> >finally
> >found
> > > a twin CD175 carb set up on a manifold for $15 at a garage
> sale.After a
> >bit of
> > > tuning and the LSD from my other car it was off to Ravenswood again.
> >This time
> > > running 20 psi a best time of 13.2 which was actually .6 quicker than
> >the FJ20
> > > with the same turbo same psi.This set up cost less than $2k although
> >most of
> >the
> > > work was done by myself. It doesn't drive like an FJ20T/SR20T but its
> >still
> > > fun.Its done 30,000 miles and with no detonation the head gasket has
> >lasted
> >even
> > > running as much 25 psi [ water injection works].My
> compression ratio is
> >7.7:1
> >so
> > > you should be ok with 8 but i would definately look at water
> injection
> >with a
> > > suck thru set up.Good luck with your project.
> > > Andrew
> > > Wayne Jones wrote:
> > >
> > >> just using carby proabably suck thru, or blow thru depends
> on if i get
> >a
> > >> intake manifold when i get a batter car, if i do itall be
> blow, if not
> >suck.
> > >> ill proabley try it with stock carb which wont work so good but im
> >still
> > >> looking for a good priced SU or webber, ive got a su but im
> pretty sure
> >its
> > >> to small.
> > >> ill make my own manifold using a modified strock item, or
> maybe using
> >those
> > >> steel ealls menationed on a web site. the only thing im not lookig
> >forward
> > >> to is seting up the carb so it dosnt run lean on boost and figureing
> >out
> > >> timing, advance ect.
> > >> anyway tomorrow im ordering the book so it should be fun.
> > >>
> > >> regs
> > >>
> > >> >From: "Geordie Smith" <[EMAIL PROTECTED]>
> > >> >Reply-To: [EMAIL PROTECTED]
> > >> >To: <[EMAIL PROTECTED]>
> > >> >Subject: RE: custom turbo set up, I need help
> > >> >Date: Fri, 15 Sep 2000 08:14:24 +1000
> > >> >
> > >> >
> > >> >Dude, CA & SR create around 10-11 psi in stock form. This
> can be upped
> >to
> > >> >14-15 psi if your fuel system is up to it, but you gotta
> keep the air
> >cool
> > >> >as it comes out otherwise your just busting your gut and
> pushing the
> >turbo
> > >> >hard for no reason. It's all in "THE BOOK!" You can create 30psi if
> >you
> > >> >wanna, but you gotta have the fuel system, plumbing (intercooler and
> > >> >exhaust), cooling systems to back it all up or else your gunna start
> > >> >blowing
> > >> >stuff up.
> > >> >
> > >> >The book tells you all about the theory of it, explains EFI vs blow
> >thru
> > >> >carbs vs draw thru carbs systems and everything. The book is your
> >bible to
> > >> >what your doing!!! I'd just be quoting from the book if I were to
> >tell you
> > >> >much more.
> > >> >
> > >> >Are you using EFI or carbys? Do you plan on making up your own
> >manifolds?
> > >> >
> > >> >
> > >> > > -----Original Message-----
> > >> > > From: [EMAIL PROTECTED]
> > >> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Wayne
> >Jones
> > >> > > Sent: Thursday, 14 September 2000 7:05 PM
> > >> > > To: [EMAIL PROTECTED]
> > >> > > Subject: RE: custom turbo set up, I need help
> > >> > >
> > >> > >
> > >> > > hi,
> > >> > > col thanks for the advice i think ill go with the t25, oreven
> > >> > > something even
> > >> > > cheaper as this project is more of a learning curve than 1/4 mile
> > >> >killer.
> > >> > > illl have to order that book this weekend.
> > >> > > oh one last thing does anyone know what the maxium psi
> the ca18 and
> >sr20
> > >> > > turbos create in stock for, and also if this is too high for my
> > >> > > engine can o
> > >> > > lower the pressure at wish the waste gate opens (i know how to
> > >> > > keep it close
> > >> > > with a pressure regularter or similar device).
> > >> > > and does anyone know of any good turbo how to pages???
> > >> > >
> > >> > > regs
> > >> > > wayne jones
> > >> > >
> > >> > >
> > >> > > >From: "Geordie Smith" <[EMAIL PROTECTED]>
> > >> > > >Reply-To: [EMAIL PROTECTED]
> > >> > > >To: <[EMAIL PROTECTED]>
> > >> > > >Subject: RE: custom turbo set up, I need help
> > >> > > >Date: Thu, 14 Sep 2000 15:19:12 +1000
> > >> > > >
> > >> > > >
> > >> > > >Average starting price to re-build a garrett turbo is $340 so
> >choose
> > >> > > >carefully. If I were you, putting a turbo on a stock
> engine, I'd
> >run a
> > >> > > >maximum of about 10 psi boost and try and keep it around 7psi or
> > >> > > you'll run
> > >> > > >into problems. If you want low end power then go for a t25 and
> > >> > > if you want
> > >> > > >more mid-top go for the t28. If you want a good read, I'd
> >recommend the
> > >> > > >book
> > >> > > >Maximum Boost by Corky Bell. I have read it over and over again,
> > >> > > and it is
> > >> > > >aimed specifically at people like you!
> > >> > > >
> > >> > > >When you check out the turbo, make sure it spins but whatever
> > >> > > you do, DON'T
> > >> > > >bend the blades inside or your stuft!! Apart from that, you can
> >only
> > >> >find
> > >> > > >out if it is stuft by a) putting it on your car and run
> it or b)
> >pull
> > >> >it
> > >> > > >apart and check it over.
> > >> > > >
> > >> > > >Before you start though, go and invest $50 on that book and you
> >can't
> > >> >go
> > >> > > >wrong!!
> > >> > > >
> > >> > > >Average price for a second hand one is around $3-400 so the $240
> > >> > > one sounds
> > >> > > >like a good one if it's not blown up!
> > >> > > >
> > >> > > > >
> > >> > > > >
> > >> > > > > hi
> > >> > > > > im wish to do a custom turbo set up on a l18, escort 1600,
> >escort
> > >> > > > > 2l pinto,
> > >> > > > > ect (got a few to choose from)
> > >> > > > > anyway im fine with the custom manifold ect, but i need a
> >turbo,
> > >> > > > > so i have
> > >> > > > > been cheaking out import yards hoping to pck up somthing,
> > >> > > > > unfortunaltly im
> > >> > > > > too pick i think. as im after a sr20 garret t28 or
> ca18 garett
> > >> > > > > t25????? but
> > >> > > > > ive only been able to find a sr20 for 420 and ca18 for 240
> > >> > > bucks, im not
> > >> > > > > sure if thats dear or not but its the cheepest ive found, JMS
> > >> >quaoted
> > >> > > >550
> > >> > > > > for a ca18 which is like half the price of the engine
> > >> > > (without comp and
> > >> > > > > gbox), so i was wondering if any turbo gurus out
> there had any
> > >> > > > > advice like
> > >> > > > > is the turbos i wish to use ok or is there better for the
> > >> > > price (im not
> > >> > > > > after huge amounts of power as my engine will be stcok 8:1
> > >> >comression
> > >> > > >ect)
> > >> > > > > can you recomend a dfferant more cheaper alternativ??
> > >> > > > > do you know where to get turbos on the cheap:
> > >> > > > > ect ect ect
> > >> > > > >
> > >> > > > > regs
> > >> > > > > Wayne Jones
> > >> > > > >
> > >> > >
> > >> >
> >
> >_________________________________________________________________________
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> > >> > > > >
> > >> > > > >
> > >> > > >
> > >> > >
> > >> > >
> > >>
> >
> >_________________________________________________________________________
> > >> > > Get Your Private, Free E-mail from MSN Hotmail at
> > >> >http://www.hotmail.com.
> > >> > >
> > >> > > Share information about yourself, create your own public
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> > >> > >
> > >> > >
> > >> >
> > >>
> > >>
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> > >
> >
>
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