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 my local
>> > > dealer. They fit but do not have the braided cover. The bottom
>> > hose
>> > > is so close to the crankshaft pulley and fan belt that I'm going to
>> > > zip-tie it to the now unused radiator shroud holes.
>> > >
>> > > OK, now I'm just waiting on new front brakes (pistons, lines, etc.)
>> > so
>> > > I can actually move my car and test this electric fan.
>> > >
>> > > =====
>> > > Adam
>> > > '70 1600 SPL311-28181
>> > > http://www.picturetrail.com/abend
>> > > Get personalized email addresses from Yahoo! Mail - only $35
>> > > a year! http://personal.mail.yahoo.com/
>> >
>>
>>
>> =====
>> Adam
>> '70 1600 SPL311-28181
>> http://www.picturetrail.com/abend
>> Get personalized email addresses from Yahoo! Mail - only $35
>> a year! http://personal.mail.yahoo.com/
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