Fuel System Upgrade/Overhaul - Pic.

[peterguk V6 KWK]

As part of my engine transplant, i'm upgrading/overhauling the whole fuel system..

No more leaking joints, no more getting stabbed by frayed braided hoses..

-10 JIC low pressure hose
Aeromotive high flow filter
Bosch 044 pump
Rubber insulators for pump and filter to help reduce noise
Custom high flow non-return valve with -6 JIC outlet



Also have an Aeromotive regulator and -6 JIC fuel rail adaptor.

Had to buy from USA, Canada, Australia as well as UK for parts, but well worth it.

I'll be removing the tank to weld on JIC supply and return unions, and joining the whole lot together with Goodridge 811 super-lightweight braided hose.

EFA

Edited by peterguk V6 KWK on Friday 3rd October 12:55

[RobP]

Like the solid link from filter to pump - it was this (floppy) connection that led myself, AdrianW and Yellowshed on a merry dance for a long time trying to track down what appeared to be an electrical fault(engine cut-out under full load).

[Mike Tuckwood]

peterguk V6 KWK said:

I'll be removing the tank to weld on JIC supply and return unions, and joining the whole lot together with Goodridge G800 super-lightweight braided hose.

Aeromotive stuff is good, I've got all the stuff (including the pump) on our shelves, we use them on our customer cars.
Have you checked that hose compatability for fuel?
Not that it's not capable of carrying it, but "normal" braided fuel permeates fuel through it. Not to the extent of being a leak, but there will always be a strong fuel smell coming from it.

There is one that doesn't do it, it's either PTFE core, or some kind of more rigid plastic.


Mike

[peterguk V6 KWK]

Rob

Weird you should say that, Aeromotive recommended a rigid line between filter and pump if they were going to be in close proximity to each other

Mike

Thanks for your comments. I'm using Goodridge 811 hose, which is PTFE lined.

Edited by peterguk V6 KWK on Friday 3rd October 13:31

[daddysumo]

As Rob P said, the low pressure pipe used between the pump and filter lead to my car missing when hot, as it became very 'floppy' to the extent it would almost kink which caused cavitation at the pump and eventually the car would stop so a very worthwile mod as far as I can see

Steve

[RobP]

peterguk V6 KWK said:

Rob

Weird you should say that, Aeromotive recommended a rigid line between filter and pump if they were going to be in close proximity to each other

Hmm..indeed, very interesting. My 'floopy' bit of low pressure hose was replaced with high pressure fuel hose and it cured the problem. Given that from tank, to filter to pump is just gravity fed I can't see a logical reason to require a rigid connection (although as I indicated earlier, experience has shown that it's not a bad idea!)

[daddysumo]

RobP said:

peterguk V6 KWK said:

Rob

Weird you should say that, Aeromotive recommended a rigid line between filter and pump if they were going to be in close proximity to each other

Hmm..indeed, very interesting. My 'floopy' bit of low pressure hose was replaced with high pressure fuel hose and it cured the problem. Given that from tank, to filter to pump is just gravity fed I can't see a logical reason to require a rigid connection (although as I indicated earlier, experience has shown that it's not a bad idea!)

With my problem it was the fact that the fuel line exits the filter travelling towards the front of the car, then bends through 180 degs to travel towards the back of the car and onto the fuel pump.
When all was cool the pipe was quite rigid so the fuel flow was not affected. When the car was hot and especially when the fuel level was low in the tank so that in turn was heated by the continually returning fuel via the uprated pump, the pipe (now nearly 5 years old) became soft and then would partially kink at the exit from the filter so vastly reducing the fuel flow.
I imagine the new high pressure pipe is more rigid than the old low pressure type so the floppy syndrome is rectified ?

Steve

[RobP]

daddysumo said:

RobP said:

peterguk V6 KWK said:

Rob

Weird you should say that, Aeromotive recommended a rigid line between filter and pump if they were going to be in close proximity to each other

Hmm..indeed, very interesting. My 'floopy' bit of low pressure hose was replaced with high pressure fuel hose and it cured the problem. Given that from tank, to filter to pump is just gravity fed I can't see a logical reason to require a rigid connection (although as I indicated earlier, experience has shown that it's not a bad idea!)

With my problem it was the fact that the fuel line exits the filter travelling towards the front of the car, then bends through 180 degs to travel towards the back of the car and onto the fuel pump.
When all was cool the pipe was quite rigid so the fuel flow was not affected. When the car was hot and especially when the fuel level was low in the tank so that in turn was heated by the continually returning fuel via the uprated pump, the pipe (now nearly 5 years old) became soft and then would partially kink at the exit from the filter so vastly reducing the fuel flow.
I imagine the new high pressure pipe is more rigid than the old low pressure type so the floppy syndrome is rectified ?

Steve

exactly..except that with mine fuel flow wasn't reduced at any time; it just stopped! A case of 'all or nothing'. This was evident from Yellowshed's computer and which is why we went down the electrical fault route.

[Biggriff]

Peter

Where did the rubber mounts for the pump come from? I have the motorsport pump and its a noisey beast.

[peterguk V6 KWK]

Biggriff said:

Peter

Where did the rubber mounts for the pump come from? I have the motorsport pump and its a noisey beast.

Courtesy of Facet

http://cgi.ebay.co.uk/Facet-Fuel-Pump-Fitting-Kit_...

[Biggriff]

Take it I need two of them as the kit only has two rubber mounts and it looks like you need four?

[GreenV8S]

I guess that's a convenient source, but if you want to save money the mounts themselves would only cost about a quid each retail.

[peterguk V6 KWK]

Biggriff said:

Take it I need two of them as the kit only has two rubber mounts and it looks like you need four?

Correct.

GreenV8S said:

I guess that's a convenient source, but if you want to save money the mounts themselves would only cost about a quid each retail.

I'm sure you're right, but on a project that's costing me in excess of £10K, there are times when i really can't be ars*d to spend 3 hours phoning around just to throw some coppers in the cookie jar..

[GreenV8S]

peterguk V6 KWK said:

I'm sure you're right, but on a project that's costing me in excess of £10K, there are times when i really can't be ars*d to spend 3 hours phoning around just to throw some coppers in the cookie jar..

I know what you mean, sometimes the convenience is worth it. It just bugs me to pay twice what something's worth just because the seller knows what it is and I don't.

[peterguk V6 KWK]

GreenV8S said:

peterguk V6 KWK said:

I'm sure you're right, but on a project that's costing me in excess of £10K, there are times when i really can't be ars*d to spend 3 hours phoning around just to throw some coppers in the cookie jar..

I know what you mean, sometimes the convenience is worth it. It just bugs me to pay twice what something's worth just because the seller knows what it is and I don't.

That particular guy is cheap! One particular Weber specialist wanted £10 a pair!

[Mike Tuckwood]

Biggriff said:

Peter

Where did the rubber mounts for the pump come from? I have the motorsport pump and its a noisey beast.

RS compnents sell them in various sizes.


Mike

[Mike Tuckwood]

just for interest, here are a couple of early shots of the fuel system on one of our "shop" cars.




The -10 supply line feeds our -10 into 4x -6 distribution block, then onto 4 custom rails.




Mike.