Fuel Injection
- Thread starter Geordie Jim
- Start date
Geordie Jim
Member
Thanks Kiwirover. ( and Quagmire.)
The reason to move the reservoir was because it fouled the kick-down cable. I've got a ZF box fitted. Now the kick-down cable fits
as it should. Also the air filter has displaced the washer bottle. :cry: The washer pump was poor anyway, so a replacement will fit where the
P S reservoir was.
Power steering hoses are shorter, washer pump hose is shorter, win win?
Jim.
The reason to move the reservoir was because it fouled the kick-down cable. I've got a ZF box fitted. Now the kick-down cable fits
as it should. Also the air filter has displaced the washer bottle. :cry: The washer pump was poor anyway, so a replacement will fit where the
P S reservoir was.
Power steering hoses are shorter, washer pump hose is shorter, win win?
Jim.
That looks nice 
It has also reminded me that I have a very similar looking unit at Lake View which I bought many years ago along with a 'reconditioned' engine and LT77 gearbox.
The engine and gearbox turned out to be anything but reconditioned - they were rubbish so I am wary of the EFI unit, pictured with the dud engine in the previous car.
EFI by EthelRedThePetrolHead, on Flickr
Is there much to go wrong with them?
Tom wants Ethel to donate her Edelbrock 500 carburettor to Hildegarde (WXC) because of the 4.0 litre engine - I can save garage hours (i.e. money) if the EFI unit is good.
It has also reminded me that I have a very similar looking unit at Lake View which I bought many years ago along with a 'reconditioned' engine and LT77 gearbox.
The engine and gearbox turned out to be anything but reconditioned - they were rubbish so I am wary of the EFI unit, pictured with the dud engine in the previous car.
EFI by EthelRedThePetrolHead, on Flickr
Is there much to go wrong with them?
Tom wants Ethel to donate her Edelbrock 500 carburettor to Hildegarde (WXC) because of the 4.0 litre engine - I can save garage hours (i.e. money) if the EFI unit is good.
Hi Jim,
How did you address the speed sensor? I believe this is only relevant for the idle/fast idle control and the speed limiter (not that you care about the latter).
Are you running open or closed loop?
With EFi and that 0.67:1 you should be getting 35mpg on a gentle run!
How did you address the speed sensor? I believe this is only relevant for the idle/fast idle control and the speed limiter (not that you care about the latter).
Are you running open or closed loop?
With EFi and that 0.67:1 you should be getting 35mpg on a gentle run!
ethelred said:That looks nice
It has also reminded me that I have a very similar looking unit at Lake View which I bought many years ago along with a 'reconditioned' engine and LT77 gearbox.
The engine and gearbox turned out to be anything but reconditioned - they were rubbish so I am wary of the EFI unit, pictured with the dud engine in the previous car.
EFI by EthelRedThePetrolHead, on Flickr
Is there much to go wrong with them?
Tom wants Ethel to donate her Edelbrock 500 carburettor to Hildegarde (WXC) because of the 4.0 litre engine - I can save garage hours (i.e. money) if the EFI unit is good.
Yours is a Flapper from the looks of it, you can pretty much check everything on one of those using a mulitmeter and working through the manual here (linked pinched from v8forum, credit to Ged) http://www.gomog.com/allmorgan/flapperEFI.pdf.
When I fitted a flapper top end to my Landrover (MS driven) I hadn't tested the injectors - 7 out of the 8 of them were seized. A sharp tap to the body of each with a brass drift and small hammer was enough to free them off and get things running, however as you might imagine spray patterns were not exactly ideal.
One thing to note is that the Flapper units have different injectors to most later FI setups. They are low impedance, which is why they have the resistor box connected to them. They also are held into the fuel rail with a short section of hose and hose clamps, rather than the later Hotwire style which uses the rail to hold the injectors in place. Consequently, you have a lot more choice of injectors for a hotwire setup which is why I later swapped to one. I now have Vauxhall astra injectors fitted as they were cheap at the time, and the right flow rate.
You can test the injectors by rigging up a power source, appropriate resistor and a momentary switch. I made a section of hose, filled it with white spirit and then pressurised with the compressor. Pulse the switch and you can see how good/bad the injectors are roughly... Even with white spirit you should take precautions against blowing yourself up though. :shock:
Geordie Jim
Member
PeterZRH said:
Hi Peter.
I am running a Dakota digital drive for the speedo, so hope to take a feed off that, not working at the moment.
There are 5 maps in the ECU, selected by a tune resistor. I am currently running tune 2, UK and Europe open loop. I have Lambda sockets in the exhaust, so have the option
of closed loop.
For the first time i have filled the tank
, and added injector cleaner. In my signature I have Fuelly, so you can follow my MPG.Jim.
I often found that any tuning, even that which increases efficiency only means you simply use the performance you added more. Hence fuel consumption goes up regardless. In the case of EFi, throttle response and general driveability are going to be extremely tempting to use, especially at first when it's a novelty.
The only "mod" I did that ever really brought it down was fitting an overdrive to a car.
As far as EFi is concerned, I'd be hoping for 2-3 mpg improvement in the long run. It is well documented in Range Rovers and Land Rovers that there are significant gains to be had over and above this. I believe that even retrofitting a later, more efficient design of injector is supposed to be good for 1-2mpg alone. In the V12 Jagaur engine EFi is worth up to a 40% improvement! I'd hope a P6 with EFi and the huge ZF 4th gear would be a whisker shy of 40mpg on a gentle motorway run, certainly above 35mpg anyway.
The only "mod" I did that ever really brought it down was fitting an overdrive to a car.
As far as EFi is concerned, I'd be hoping for 2-3 mpg improvement in the long run. It is well documented in Range Rovers and Land Rovers that there are significant gains to be had over and above this. I believe that even retrofitting a later, more efficient design of injector is supposed to be good for 1-2mpg alone. In the V12 Jagaur engine EFi is worth up to a 40% improvement! I'd hope a P6 with EFi and the huge ZF 4th gear would be a whisker shy of 40mpg on a gentle motorway run, certainly above 35mpg anyway.