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scotricker's Avatar
 
Join Date: Jun 2009
Location: Santa Fe, NM
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Well, this surely can't be a good thing, one of those I'll get to it someday projects

I guess today is the day..




I hadn't driven the 78 SC for a few weeks I guess. It took a few extra cranks to get started. It usually fires right up, even after sitting a while. I might have smelled gas, oh well, maybe a rich flood start, like my truck.

I backed out, and paused for a min in the driveway, then backed into the street.

I noticed a new drip on the driveway that had not been there a few mins ago. So, I turned off the car, and went to check and smelled gas. oops.

So I thought let's just look. I opened the engine lid, and started it again in the street, expecting to see gas spraying somewhere in the engine bay. No, it all looked good. But then while it was running, I noticed a big drip way up under the front.

I thought it would be easy, one of those 3" hoses to the fuel pump.

But no, this looks serious. I'd better be calling Len.

Is this a take the engine out again situation? This might take a while.

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78 911SC coupe, sold,, 2019 Macan S
"my friends all drive Porsches, I must make amends.."
Old 06-21-2020, 05:23 PM
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Major PITA! Have fun!
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Old 06-21-2020, 06:07 PM
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Easier with the engine out, but many do it with the engine in.
Old 06-21-2020, 06:27 PM
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no need to take the engine out if those fuel hoses are newly replaced, or even if they aren't

do you have a lift?
Old 06-21-2020, 09:14 PM
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yes, lift, installed last year, so engine removal will be easier this time, if necessary.
Or just pull those fuel lines out from under there with the engine still in place?
I'll search for threads about this job. No rush,
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Scot
78 911SC coupe, sold,, 2019 Macan S
"my friends all drive Porsches, I must make amends.."
Old 06-22-2020, 04:11 AM
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***DON'T PULL THE OLD LINES OUT YET****
you will want to attach the new lines to the old lines with a union and pull them out the front while pulling the new lines in thru the same path. At least, that is what I've heard as the best install tip. I havent actually done mine yet.
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Old 06-22-2020, 06:12 AM
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Great video on the project from Heidi and Franny:

https://youtu.be/Ov5WgnuHffE
Old 06-22-2020, 06:26 AM
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OP has an SC, so do the fuel lines in the tunnel need to be replaced, or just the hoses near the tank?

on at least some MYs, these are separate
Old 06-22-2020, 10:10 AM
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To do it right, you do have to replace the fuel lines in the tunnel because they are crimped to those in front that go to the fuel pump and the tank.

You could cut off the crimps and then use hose clamps to new short lines. Len Cummings sells a set for that too. But probably not the ideal way to go.

I think this is the classic fuel line replacement thread:
Okay- so I am going to replace my main tunnel fuel lines tomorrow. Any suggestions?

Mark
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Old 06-22-2020, 10:30 AM
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Nothing to fret about, many,many Pelicans have fixed that problem for $10 or so.
I did the fix six years ago with never a problem. Go to this thread Stranded. What are fuel line leak repair options on the go?
and see my post #5. You just need modern E85 fuel injection hose from your local FLAPS and a Norma clamp (see BoxterGT post) or the parts BoxterGT shows at the bottom of the thread.
The "plastic" line with the barbed fitting the rubber connects to is Polyamid and is nearly indestructable.
It will probably still be intact 30 more years from now (provided nobody kinks it).
Waste of money and LOTS of time and misery to replace the whole line for no reason.

Fix only takes an hour or two at best.
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Long gone but still miss them all:
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'71 911T Coupe White, '70 911T Coupe Blue
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Old 06-22-2020, 10:56 AM
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thanks, I'll check the repair method. So, my life isn't ruined afterall,

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78 911SC coupe, sold,, 2019 Macan S
"my friends all drive Porsches, I must make amends.."
Old 06-22-2020, 11:55 AM
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