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Your setup (was: 4K w/ .75... similar Question)
Could you elaborate a little on your setup? I have a 4k and a DFQ (0.80 5th)
sitting in my carport and an AGB in my 16v.
Did you build it yourself? Did you take the 3.94 final gear only and put it
into the 2Y? Or did you have to take the whole setup out?
What I was told I had to do, by the Cheapass, was to use the 4k final gear
plus it's 1-3rd, 4th from an AGB and 5th 0.80 (both "16v" gears with larger
holes), the case and 100mm flanges from my AGB. The Franken-tranny -
muhuhhaaahaaa!
Thanks in advance - JT
----- Original Message -----
From: "Donald Walter" <dswalter.wi@netzero.net>
To: "David Hellekson" <sciroccodave@yahoo.com>
Cc: <scirocco-l@scirocco.org>
Sent: Thursday, February 07, 2002 8:42 AM
Subject: RE: 4K w/ .75... similar Question
> I agree with David. I have a 2Y with a 3.94 final gear ratio (essentially
a
> 4k except with 100mm flanges) and a .85 fifth gear (I know it is rare).
At
> 80mph my RPM's is 3800. Just perfect for being able to accelerate if I
need
> to yet gives me 30+ MPG fuel economy, even at 80+ MPH Too me having a lot
> more power is better than a top speed that I will probably never/rarely
see.
>
> -----Original Message-----
> From: David Hellekson [mailto:sciroccodave@yahoo.com]
> Sent: Wednesday, February 06, 2002 6:59 PM
> To: dswalter.wi@netzero.net
> Cc: scirocco-l@scirocco.org
> Subject: RE: 4K w/ .75... similar Question
>
>
> Folks,
>
> Went down that path recently with my 4k and put the
> stock 16v 5th back in. The reason? Even my 2.0 16v
> with schrick 268s and Oettinger head could not pull
> the gear. It felt as though I could not get 'on top of
> it'. Before I had no problem with a tick over 140 at
> 6800, when I swapped I was lucky to get to 125 even
> after redlining 4th at 110 it would fall on its face.
> Great gas mileage on the freeway, though. Eighty was
> at 3200.
>
> Now, I can be humming along at 80 @4000, put the foot
> in and watch speedo rapidly climb, without
> downshifting.
>
> Just sharing my experience.
>
>
>
> --- Donald Walter <dswalter.wi@netzero.net> wrote:
> > Power aside technically you will be able to go
> > faster as you are reducing
> > your RPM's at that speed. The problem will be if
> > you have enough power to
> > push it that fast ie friction, coeffient of drag,
> > etc.... HTH
> >
> > -----Original Message-----
> > From: scirocco-l-admin@scirocco.org
> > [mailto:scirocco-l-admin@scirocco.org]On Behalf Of
> > Dan Bubb
> > Sent: Wednesday, February 06, 2002 6:37 AM
> > To: Dan Kraus
> > Cc: scirocco-l@scirocco.org
> > Subject: Re: 4K w/ .75... similar Question
> >
> >
> > Well, the first question is how fast can you go now?
> > As an example: (and I will assume your top speed is
> > power limited, not
> > limited by hitting redline)
> > if you can pull 130 MPH at 6500 RPM with the 2Y then
> > if you go to a 4K
> > with .75 fifth @ 130 MPH the engine will be at 5751
> > RPM.
> > So, if your current top speed is 130 and your peak
> > power RPM is at 6500
> > then going to the taller gearing will give you a
> > lower top speed since
> > the engine will be producing less power off its
> > peak. If your peak power
> > speed is lower, say 5900, then your top speed may
> > increase.
> > To restate; if at your current top speed you are
> > beyond your engine's
> > peak power RPM then going to longer gearing may
> > increase top end. If you
> > are below your engine's peak power longer gearing
> > will lower your top
> > speed.
> > If that wasn't clear, I'm sure everyone will let me
> > know!
> > Dan
> >
> > Dan Kraus wrote:
> > >
> > > Hello everyone,
> > >
> > > Ok here is another question. The 4k trans that
> > will be going into my
> > > 1.8/2.0L 16v has a .75 fifth. Can I/will I still
> > be able to go as fast as
> > I
> > > do now with my 2y?
> > >
> > > Thanks so much,
> > > DK :-)
> > > p.s. I just wanted to thank everyone for giving
> > me lots of good advice
> > > dealing with the motor swap and much more!
> > >
> > > _______________________________________________
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> >
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>
> =====
> Dave Hellekson
> 88 Techtonics 2.0 16v
>
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