[Mgb-v8] I see the light!! (shortened water pump)

[Barrie Robinson]

Folks of MG persuasion

Carl is right - no mention was made stating that the plane remained 
the same.  It was said that the pulley remains the same - this is NOT 
the same as the plane.   If one looks at the picture at 
http://www.britishv8.org/Articles/Shortie-Water-Pump.htm you will see 
that body was cut down and "re-bearinged".  Then the shaft was 
shortened and the pulley mount thing refitted.  So to be certain we 
all understand - these are the details


Engine is bog standard Rover 3.5L V8
Engine mounts are Towery A/C

Standard P591 water pump from Canadian Tire
Water pump body cut back at pulley side
New bearing inserted in new cut back position
Shaft shortened
Pulley mount refitted

RESULT

Overall length changed from 4" to 3"
Will accept SAME pulley as before
Belt plane now 1" closer to engine
Requires 1" shortened crank pulley (Buick or SD1)
Requires alternator to be moved back 1" (trivial!)


However, one point has been consistently ignored and that is it has 
been done and IT WORKS (approx 10K kilometres)  I have taken photos 
of the crank pulley and alternator/belt setup and if anyone wants 
them I will send.



At 09:17 AM 8/30/2008, Carl Floyd wrote:
>"...originally it was stated that no change in either pulley was needed. "
>
>Still looking for that reference.
>
>Carl
>
>   ----- Original Message -----
>   From: GrayTesla at aol.com
>   To: dkern at napanet.net ; cmfloyd at chartertn.net
>   Cc: mgb-v8 at autox.team.net
>   Sent: Friday, August 29, 2008 9:09 PM
>   Subject: Re: I see the light!! (shortened water pump)
>
>
>   <<Here's a pic of Barrie's engine with the shortened pump:
>   http://www.britishv8.org/MG/BarrieRobinson/BarrieRobinson-H.jpg
>
>   Compare that with the offset on Mike Moor's water pump pulley:
>   http://www.britishv8.org/MG/MikelMoor/MikelMoor-H.JPG
>
>   Carl Floyd>>
>
>   Dave is right in that originally it was stated that no change in either
>pulley was needed.
>
>   However, Carl's pictures have cleared the entire mess up -- at 
> least for me.
>I can see from the two pictures that the actual plane remains the same in the
>modification and therefore the pump pulley is in alignment with the crank
>pulley. The difference is in how far forward the remainder of the pump sits in
>its original configuration.
>
>   Overall, a very nice savings allowing much needed space. Thanks again to
>Carl for those pictures and to Barrie for "gettin er done."
>
>   Darius
>
>
>
>
>
>
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Regards
Barrie

Barrie Robinson
(705) 721-9060
http://www.britishv8.org/MG/BarrieRobinson.htm
http://www.britcot.com