Found the fuel filter.... Options

[advman89]

Does this look correct? This is on the passenger side, in front of the rear tire. I had been looking for something like the Mahle canister.



(Sorry for the bad pic!)
Pelican sent me a Mahle filter...round, not square...can I use this?
Part# 311-133-511-D-M67
Mahle KL 11 OF

1971 Car, 2.0 with some various bits from a 1975...just trying to sort what's what.

[JawjaPorsche]

The original location of the fuel pump and filter were not an idea location. Not only change the fuel filter down there but the fuel hoses to avoid fires. Get High pressure fuel hoses. The original filters were square. Also get the correct fuel hose clamps too.

[advman89]

Thank you...

Guess that full fuel line hose replacement is happening...I've seen one too many of these up in flames.

I have a note to Tangerine (Chris Foley) to see which set I should get. Let's go tank to injectors!

[advman89]

Ugh.

I'm hoping someone can help!

Where is the damn fuel pump?

1971 914. 1975 2.0 and various bits...

The fuel filer is the boxy one, under the car...but need locate it so I can order lines. I just pullled up the gas tank and I don't see it under there. I thought that's where I'd find it.

Is it the shiny silver pump here?

[dabird]

Take the plate off that's covering the steering rack underneath the front of the car . It's probably been relocated to there

[SirAndy]

On a '71 the fuel pump is under the pass. side engine shelf near where you found the fuel filter. Follow the fuel lines from the filter and you should find it.

That shiny round thing on top of your engine is the mps sensor which should be mounted to the small bracket next to the battery tray.
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[advman89]

Thanks everyone. This car is so much the flipside from my 911...I wanted a project...and I got it.

I didn't think that was the pump, but figured I'd ask. Someone was trying to convince me otherwise.

I'll follow the lines from the filter, but if it's in there, is buried up pretty good, I cant see anything on first/second glance. All I need is a confirmation to make the order with Chris F.

Is there a place in the engine bay (or more accessable location) people relocate the pump and filter?

[VaccaRabite]

Yes, but not in the engine bay!

It has to be low - lower then the gas tank or there isnt any fuel gravity fed to the pump. Its own issue.

most people relocate them to the front trunk under the gas tank, or under the front trunk near the steering rack.

The factory changed the location in 75-76 cars and had an opening low on the pass side of the front trunk under the tank, and many people re-create that with earlier cars. Its a much better set up.

Zach

[SirAndy]

The factory changed the location in 75-76 cars and had an opening low on the pass side of the front trunk under the tank, and many people re-create that with earlier cars. Its a much better set up.

One thing to consider when relocating the fuel pump to the front:

With the old stock setup the plastic lines through the center tunnel were LOW pressure with the pump sucking fuel through them and the filter, then building pressure in only a short run of fuel lines from just under the engine shelf.

If you relocate the pump (and filter) to the front, you are now running HIGH pressure through 40 year old plastic fuel lines that were never designed to handle such pressure.

When i did my conversion, i had to mount the pump under the tank (993 pumps aren't good at sucking) so i replaced the plastic lines with the stainless steel fuel lines through the center tunnel.
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[ClayPerrine]

The factory changed the location in 75-76 cars and had an opening low on the pass side of the front trunk under the tank, and many people re-create that with earlier cars. Its a much better set up.

One thing to consider when relocating the fuel pump to the front:

With the old stock setup the plastic lines through the center tunnel were LOW pressure with the pump sucking fuel through them and the filter, then building pressure in only a short run of fuel lines from just under the engine shelf.

If you relocate the pump (and filter) to the front, you are now running HIGH pressure through 40 year old plastic fuel lines that were never designed to handle such pressure.

When i did my conversion, i had to mount the pump under the tank (993 pumps aren't good at sucking) so i replaced the plastic lines with the stainless steel fuel lines through the center tunnel.
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Replace the plastic lines. Don't end up standing on the side of the road watching your 914 burn. Betty and I watched her car burn. It was heartbreaking, and almost cost us our marriage. Took a few years before I could face rebuilding the car.

I would even recommend replacing them if you keep the fuel pump in the stock location. I did that to our factory six right after we got it. It is the only non-reversible thing we have done to that car. And it was done purely for safety.

[advman89]

Plan is to replace all the lines...tank to injectors...I saw stacks of 914s burned up in a Porsche graveyard in Phoenix in the early 2000's.

Chris F. is already on speed dial for this one!

[Jamie]

The factory changed the location in 75-76 cars and had an opening low on the pass side of the front trunk under the tank, and many people re-create that with earlier cars. Its a much better set up.

One thing to consider when relocating the fuel pump to the front:

With the old stock setup the plastic lines through the center tunnel were LOW pressure with the pump sucking fuel through them and the filter, then building pressure in only a short run of fuel lines from just under the engine shelf.

If you relocate the pump (and filter) to the front, you are now running HIGH pressure through 40 year old plastic fuel lines that were never designed to handle such pressure.

When i did my conversion, i had to mount the pump under the tank (993 pumps aren't good at sucking) so i replaced the plastic lines with the stainless steel fuel lines through the center tunnel.
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What material did the factory use for fuel lines through the tunnel when fuel pump was relocated to the front?

[advman89]

Found. It's under the car, by the rear passenger tire.

So.

Since I'm doing everything anyway...should I plan to relocate the pump and filter under the tank?

[tmc914]

In the front near the front axle there is a panel that can be removed and is the best place to relocate pump and filter. Here is a picture of my car.

[914werke]

What material did the factory use for fuel lines through the tunnel when fuel pump was relocated to the front?

Not exactly sure. It has been discussed before & you may be able to find it with a search of the board but the two types of lines are easily distinguished. The early lines are clear/opaque while the late Hi-pres lines are Black.

[VaccaRabite]

What material did the factory use for fuel lines through the tunnel when fuel pump was relocated to the front?

Not exactly sure. It has been discussed before & you may be able to find it with a search of the board but the two types of lines are easily distinguished. The early lines are clear/opaque while the late Hi-pres lines are Black.

Pretty sure they used the same center tunnel lines regardless of where the fuel pump was. My 76 had the clear/opaque lines and the factory mounted front pump.

That said, I pulled those lines out and replaced them with SS from Chris before i ever fired the motor on my car.

The lines in my BMW '75 2002 were the same exact material. I'm replacing them as well. the theory in the BMW community is that in the event of a fire, the plastic would melt closed and keep new fuel from feeding a fire in the cabin. Ha ha ha, good one Potsy. Going to metal lines in the '02 as well and not routing them through the cabin.

The plastic tunnel lines were never designed for ethanol. Everyone should pull them and replace them. I have a picture of a plastic fuel filter that was on my car when it had carbs, and the plastic is sagging due to ethanol. Scary.

Zach

[914werke]

Nope. I dont know what went on with your car Zach but indeed they ARE different early to late.
But I do agree, none were probably designed to withstand the significant Ethanol blends that are the standard at pumps today.

[ClayPerrine]

The lines in my BMW '75 2002 were the same exact material. I'm replacing them as well. the theory in the BMW community is that in the event of a fire, the plastic would melt closed and keep new fuel from feeding a fire in the cabin. Ha ha ha, good one Potsy. Going to metal lines in the '02 as well and not routing them through the cabin.

Having gone through an engine fire, I can tell you for sure that the plastic lines won't melt closed, they just melt holes in the lines so the gasoline can feed the fire!