Mike,
I guess I've been very lucky but I never had a problem. I'm sure the
original waterpump on the H20 block I have would fit the 1600. I used the
pulley from that motor on my 1600 waterpump and it fits. I also compared it
to the other waterpumps I have and it's the exact same thing and the casting
is just as bad :).
The OEM pumps have the best castings and I intend to rebuild them with some
kits that I bought many moons ago.
Mike
----- Original Message -----
From: "Mike Harper" <roadsterdude1600@yahoo.com>
To: "Ronald Hamilton" <fj20@worldnet.att.net>; "Adam Bradley"
<ambradley@yahoo.com>; "datsunmike" <datsunmike@nyc.rr.com>; "Paul"
<9laser3@bright.net>
Cc: "Datsun Roadster List" <datsun-roadsters@autox.team.net>
Sent: Sunday, June 03, 2001 12:23 AM
Subject: Re: H20 parts (was Re: Water pump sizes.)
> I just tried an after market pump on my 3 main 1600
> (R-01782). Indeed the bolt pattern was a smaller
> diameter than my pully, and the threads are metric I
> believe. So, I'm looking again. The housing was
> identical. The last time I changed pumps, I had to
> drill out a hole in my 4 bladed fan to accomodate the
> longer shaft than NOS pump.
>
> Will the H-20 pump work for me?
>
> Mike Harper
> '66 1600
> Charleston SC
>
> --- Ronald Hamilton <fj20@worldnet.att.net> wrote:
> > Maybe my memory is not good any more but I seem to
> > remember the late pump
> > having a different diameter bolt pattern than the
> > early one due to the fan
> > clutch.
> >
> > Ron
> > ----- Original Message -----
> > From: Adam Bradley <ambradley@yahoo.com>
> > To: datsunmike <datsunmike@nyc.rr.com>; Paul
> > <9laser3@bright.net>
> > Cc: Datsun Roadster List
> > <datsun-roadsters@autox.team.net>
> > Sent: Saturday, June 02, 2001 5:16 PM
> > Subject: H20 parts (was Re: Water pump sizes.)
> >
> >
> > > Has anyone figured out exactly which H20 parts are
> > compatible with the
> > > R16? I haven't seen the waterpump answer yet, but
> > if parts are that
> > > much cheaper, I have no problem heading down to my
> > local forklift parts
> > > counter.
> > >
> > >
> > > --- datsunmike <datsunmike@nyc.rr.com> wrote:
> > > > Paul,
> > > >
> > > > I have several waterpumps in my basement new and
> > used and they all
> > > > have the
> > > > pulley in the same spot. I have NOS pumps and
> > aftermarket ones.
> > > >
> > > > BTW, H20 pumps are about $30 :)
> > > >
> > > > Mike
> > > >
> > > > ----- Original Message -----
> > > > From: "Paul" <9laser3@bright.net>
> > > > To: "datsunmike" <datsunmike@nyc.rr.com>; "Adam
> > Bradley"
> > > > <ambradley@yahoo.com>
> > > > Cc: "Datsun Roadster List"
> > <datsun-roadsters@autox.team.net>
> > > > Sent: Saturday, June 02, 2001 7:45 PM
> > > > Subject: Water pump sizes.
> > > >
> > > >
> > > > > My guess is that over the life of all the 1600
> > roadster's,
> > > > Silver's.
> > > > > 411SSS's, not to mention H20 blocks, there
> > were 7, maybe 8
> > > > different water
> > > > > pumps used. They all have the same foot print
> > but vary in width
> > > > which
> > > > will
> > > > > change the pulley alignment.
> > > > >
> > > > > Paul
> > > > > OROC
> > > > >
> > > > > -----Original Message-----
> > > > > From: datsunmike <datsunmike@nyc.rr.com>
> > > > > To: Adam Bradley <ambradley@yahoo.com>
> > > > > Cc: Datsun Roadster List
> > <datsun-roadsters@autox.team.net>
> > > > > Date: Saturday, June 02, 2001 7:03 PM
> > > > > Subject: Re: More hints (helpful? I dunno)
> > > > >
> > > > >
> > > > > >Adam,
> > > > > >
> > > > > >All the waterpumps have the pulley on the
> > pump in the same place.
> > > > I used
> > > > > >late model waterpumps on my 3 main with no
> > problem and the pulleys
> > > > aligned
> > > > > >perfectly.
> > > > > >
> > > > > >Mike
> > > > > >
> > > > > >----- Original Message -----
> > > > > >From: "Adam Bradley" <ambradley@yahoo.com>
> > > > > >To: "datsunmike" <datsunmike@nyc.rr.com>
> > > > > >Cc: "Datsun Roadster List"
> > <datsun-roadsters@autox.team.net>
> > > > > >Sent: Saturday, June 02, 2001 2:53 PM
> > > > > >Subject: Re: More hints (helpful? I dunno)
> > > > > >
> > > > > >
> > > > > >> That's all right. It's what I get for not
> > measuring.
> > > > > >>
> > > > > >> I debated getting an early water pump, as
> > it doesn't have the
> > > > shaft
> > > > > >> extension, but then was concerned that
> > either the pulley
> > > > wouldn't bolt
> > > > > >> on, or worse wouldn't line up. My
> > alternator is still in the
> > > > stock
> > > > > >> location.
> > > > > >>
> > > > > >> The other option is getting rid of the
> > spacer, moving the
> > > > alternator,
> > > > > >> and replacing the crankshaft pulley. That
> > would work, but then
> > > > makes
> > > > > >> it very difficult to put the smog pump back
> > in should California
> > > > change
> > > > > >> its smog check laws.
> > > > > >>
> > > > > >>
> > > > > >> --- datsunmike <datsunmike@nyc.rr.com>
> > wrote:
> > > > > >> > Adam,
> > > > > >> >
> > > > > >> > Sorry, I thought it would fit. It is by
> > far the thinnest
> > > > electric fan
> > > > > >> > I know
> > > > > >> > of and it does fit the rad core like it
> > was made for it. N'est
> > > > pas?
> > > > > >> >
> > > > > >> > I moved the rad forward to fit another
> > electric fan I had.
> > > > There is
> > > > > >> > no
> > > > > >> > problem with that. I used 240Z plastic
> > seat spacers :) I moved
> > > > it
> > > > > >> > further
> > > > > >> > forward than you did. The hardware store
> > where I live sells
> > > > nylon
> > > > > >> > spacers
> > > > > >> > which may be able to be used. I would
> > check a hardware store.
> > > > You can
> > > > > >> > also
> > > > > >> > use thick rubber and a punch a hole in
> > them for the bolts.
> > > > > >> >
> > > > > >> > The final solution is to take off the
> > waterpump spacer but
> > > > you'll
> > > > > >> > have to
> > > > > >> > use an early style waterpump pulley. Then
> > you'll have plenty
> > > > of
> > > > > >> > room!!
> > > > > >> >
> > > > > >> > Mike
> > > > > >> >
> > > > > >> > ----- Original Message -----
> > > > > >> > From: "Adam Bradley"
> > <ambradley@yahoo.com>
> > > > > >> > To: "datsun"
> > <datsun-roadsters@autox.team.net>
> > > > > >> > Sent: Saturday, June 02, 2001 1:34 AM
> > > > > >> > Subject: More hints (helpful? I dunno)
> > > > > >> >
> > > > > >> >
> > > > > >> > > I learned something today - an electric
> > fan (Flex-a-lite
> > > > 110)
> > > > > >> > doesn't
> > > > > >> > > fit in front of the stock late 1600
> > water pump! And that's
> > > > with
> > > > > >> > the
> > > > > >> > > reverse threaded screw off.
> > > > > >> > >
> > > > > >> > > I did something that hopefully won't
> > get me in trouble
> > > > later. I
> > > > > >> > moved
> > > > > >> > > the radiator about 1/2" forward by
> > putting washers between
> > > > between
> > > > > >> > the
> > > > > >> > > radiator supports and the car body,
> > which moved the radiator
> > > > > >> > forward.
> > > > > >> > > With that, I've only got 1/4" or so
> > clearance between the
> > > > water
> > > > > >> > pump
> > > > > >> > > and the fan. The hood still closes...
> > > > > >> > >
> > > > > >> > > All is good now, but I also bought new
> > radiator hoses from
> >
> === message truncated ===
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