Std Turbo Fuel Supply Diagram & Connections etc FOR COMMENT
Turbo Mini Forums

Dug these diagrams out from a rather handy workshop manual, if everyone is okay with these would it be worth deleting the other carb connection topic??

might be worth inlcuding the diagram which 1310turbo did along with these pics??

good stuff dan. perhaps you could put some notes on about which pipes to block off when not using ecu or vent valve to. maybe a note advising the use of an inertia switch? and maybe a good diagram of how to plumb in boost control valve.

can i just say keep up the good work dan!

no longer a series, but still 1.3 turbo.

We're not going to get into trouble for copyright stuff or anything are we?

Looks good though!

fair point on the copyright, i've got no idea on this, do you think 'austin' will mind?

might have to look into drawing something up as a longer term solution

good points made carl, if I end up drawing something up I can do some different options perhaps?

These look like copies from 'Austin Rover' rather than Haynes manuals, so copyright is probably pretty safe...

That top diagram is fantastic.

A few things to add:
Pipe at point 1: 10mm diameter hose.
Pipe at point 3: 1/4" or 6mm High pressure (EFI spec) hose
Pipe at point 7: 5/16 or 8mm hose.

Alternativly, 8mm hose can be used for supply and return, but if this is done, a 5mm restrictor needs to be fitted into pipe 3 (ideally at the entry to the regulator - maybe you can edit the picture with an 'x' or something at this point?).

Once again, fantastic work!

yep its out of the 'austin workshop' manual

i'll look at doing some tweeks when i get home later D

I have just read through this bit below, I thought that the idea was to use a larger feed line than return line, thus causing a restriction in the return flow to give a pressure at the fuel reg?

Or have I got the wrong end of the stick??

very much the wrong end!
the idea is to use a larger return, such that there is guaranteed to be zero backpressure in the return line, which will not back-up to the regulator, lifting the diaphram and spring and affecting the fuel pressure.

This is why I reccomend that 8mm supply and return pipes should have arestrictor added at the supply to the regulator - same effect as a smaller supply pipe...

i have just asked for help in regards to my mini cutting out "it just won't go..." . i have a 10mm return and feed. What would you suggest?, do you think this could be the problem?

i would suggest restricting the supply.

best way to test if it is having an effect it to fit to a fuel pressure gauge and seeing if you can turn the regulator down to virtually zero. if you can then there are no worries.

so what could be used as a restrictor> could the end of the copper pipe be bent over so its only a 5mm gap at the end? and these measurments im presuming are all i/d

ryan

Copy right is fine if it is being used for education and not to make money normally thats how it works i think

Use anything you want!

Mine is (I will freely admit) a 1/4" length of the 'shoulder' (ie the non-threaded part) of an M8 bolt, with a 5mm hole drilled through it, pushed into the supply line.

Incredibly simple and very effective.

Is this the right place?

http://www.minifreunde.at

yes.

let me just get this straight then, im using an spi tank, and at the mo im using 10mm microbore pipe whichs is about 7mm i/d for feed and return, with the connections to the tank being in rubber hose with 10mm i/d, looking at this they are way too big, should i go with the smaller microbore pipe i have (8mm , 6mm i/d) for the feed and leave the return as it is?

ryan

Up to you Ryan.
Either use a smaller bore feed, or use the same for supply/return and fit a small restrictor.

D