These are an offline discussion with Robin Weatherall regarding swirl pots,
forwarded to the list with his permission:
-----Original Message-----
From: Robin Weatherall <robmgv8@stlnet.com>
To: Scott Pontius <spontius@worldnet.att.net>
Date: Tuesday, July 07, 1998 7:54 PM
Subject: Re: Swirl pot progress (long)
>seems an extremely round about way to do it. I used a piece of 3" dia steel
>pipe, welded it to the top of the B tank leaving a couple of thou clearance
>at the bottom. Used B fuel pick up for the return line and cut a hole in
>front of it to take the stock Range Rover pump. I've driven the car 65,000
>miles since I built it in 93 with no problems.
>
>Robin Weatherall
>Chairman, NAMGBR
>66 MGB V8 roadster with EFI
>67 MGB V8 GT with EFI
>
>
Yes, may well be too much. The simpler solution is usually more "poetical",
as I like to say... I just haven't seen a complete solution in the stock
tank yet.
The Range Rover pump is an in-tank submerged type?
I would be very interested in seeing a sketch of your setup, if you could
scan one and send it.
Thanks very much for input. I really want to get this beastie on the road by
the end of the summer!
May I forward your reply to the mgb-v8 list?
Scott Pontius
'78 MGB with half plumbed and wired SD1 V8
Los Angeles
-----Original Message-----
From: Robin Weatherall <robmgv8@stlnet.com>
To: Scott Pontius <spontius@worldnet.att.net>
Date: Wednesday, July 08, 1998 7:19 AM
Subject: Re: Swirl pot progress (long)
>Yes Scott, the Rover pump is submerged in the tank. It picks up gas in the
>swirl pot which is the purpose of installing one. It ensures that the pump
>doesn't suck air under acceleration. I don't have a way to scan an sketch
>but it is very simple. Just measure the distance from tank top to bottom,
>deduct 1/8", cut open the top, weld the steel tube to the top, weld tank
>closed and thats it.
>Rover SD1 EFI will not function correctly with the pump outside the tank.
>
>Yes , you can post this to the list.
>
>PS. the ECU from the SD1 is a compromise in it's performance, unless the
>chip is re-programmed the performance is no where near as good as a
>carburated engine. Also you cannot use anything but a standard cam shft.
>What have you done to solve the oxygen/CO2 sensor problem.
>
>Robin
>
>
Hmmm...Robin has me thinking again, and as there is a 1991 Range Rover in a
wrecking yard here in Los Angeles, I am considering scooping up the in-tank
type fuel pump. BTW, it also has a complete hotwire injected 3.9 still
installed.
Also, I looked at the RR rear driveshaft- the driven flange on the front of
the shaft appears to be compatible with the output on the SD1 5-speed, it
uses U-joints with grease zerks, and is 35" long. My car, with the 3.5 and
Rover 5-speed mounted in the rearward "Glenn Towery A/C" position, is 37"
from tranny out to differential in. Darn, close to a dropin part. Anybody
know the length of the rear driveshaft on the later Long Wheelbase County
version of the Range Rover?
Scott Pontius
'78 MGB with half plumbed and wired SD1 V8
Los Angeles
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