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Was Newbie - 1600s and 5spds

To: datsun-roadsters@autox.team.net
Subject: Was Newbie - 1600s and 5spds
From: Marko Lahtinen <lahtinen_marko@yahoo.com.au>
Date: Tue, 6 Mar 2001 21:06:44 +1100 (EST)
I have a stroked R16 which was built using H20 bottom
end and my R16.  It came out at 2005cc and, even with
dished pistons (replacing the domed R16 ones), quite a
high compression ratio.  Thus I run 95 or 98 octane
fuel in it.  

I have a 3.9 diff and a 5spd from a nissan 720 ute.

I have not checked it exactly but I basically get 1st
gear - 20km/h at 3000rpm, 2nd gear - 40km/h at 3000rpm
and so on to 5th gear - 100km/h at 3000rpm.  In 5th it
will pull me up a steep hill at under 2000rpm (or even
better at 4500rpm).  Yes, it is a bit slow in 1st and
even 2nd but I went from the original 4spd in which
1st was cactus to this 5spd and I can not complain.

marko
sydney
1964 1500 with the above







--------------------------
Date: Mon, 05 Mar 2001 00:14:42 -0800
From: Joseph Roach <jroach@qualcomm.com>
Subject: Re: Newbie

Adam,
I disagree with your assessment that a 5-speed is not
a good mate for a 
1600. It is the one improvement that will provide the
most smiles for 
the 
miles! Highway cruising will be a lot more enjoyable
and, I have to 
say, 
that my roadster seems to pull stronger in 5th gear on
inclines than a 
lot 
of other vehicles.

The gearing differences between a 4-speed and 5-speed
are in 1st and 
2nd 
gears. From a standing start the 5-speed may seem a
bit sluggish. 
However, 
I gladly trade that for what seems to be greater
performance range (at 
same 
RPM, higher MPH in 5-speed). I find the 5-speed
gearing much more to my 
liking in the twisties where I can use 1st and 2nd
gear more in the 
higher 
RPMs which with the 4-speed would require a shift to
be at the same 
MPH.

Joseph Roach
65 1500
San Diego

At 06:29 PM 3/4/01 -0800, Adam Bradley wrote:
>  After all that, you'll probably end up with a car
that is sluggish 
off
>the line and can't maintain speed in 5th gear on
slight inclines.  The
>gearing of the 5-speed is way off from the 4-speed,
and the rear end 
of
>the 2000 is different, too.  The 1600 is a great
engine (I've owned 5
>1600's and they all ran even though they were junky
cars, I don't
>understand this NROC club thing) but doesn't have the
torque needed to
>push the 5-speed properly.
>
>A stroked 1600, on the other hand, would be a good
candidate for a
>5-speed transplant.
>
>Adam
>'70 1600

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