Fuel Tank Questions '85 Pininfarina

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hobonamy

Fuel Tank Questions '85 Pininfarina

Post by hobonamy »

I am in the process of getting my '85 up and running. It has been sitting for a number of years and I finally made time to get started. I pulled the fuel sending unit to remove the fuel and get a peek at the tank's condition. Sucked about 5-6gal out of tank. Fuel smelled like varnish....what I expected, but not what I wanted. I have taken some pictures of the tank and would like the group's opinions regarding the need pull the tank and have it cleaned. Thanks in advance for your help.

looking at fuel sending unit hole

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Just below fuel sending unit

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Looking further aft on passenger side

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Drivers side looking aft

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vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: Fuel Tank Questions '85 Pininfarina

Post by vandor »

It does not look horribly bad, but it would be good to have that rust sealed, so it does not get any worse and it does not get into the fuel. There are some shops that can clean tanks and the coat the inside.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: Fuel Tank Questions '85 Pininfarina

Post by BEEK »

doesnt the efi tank have an internal screen? would it not plug up if coated? lancias have an internal screen and plug up on their own. i have never had a spider tank do this, but i have never coated a efi tank, only carburated ones
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider
, 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
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spider2081
Patron 2024
Patron 2024
Posts: 3015
Joined: Fri Jan 27, 2006 11:45 pm
Your car is a: 1981 Spider 2000
Location: Wallingford,CT

Re: Fuel Tank Questions '85 Pininfarina

Post by spider2081 »

I have looked into 3 tanks from 80/81 FI cars and none of them had screens on the end of the pick up tube. That doesn't mean they had not disintegrated over time. I used a fiber optic bore scope.
vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: Fuel Tank Questions '85 Pininfarina

Post by vandor »

I've had several EFI tanks coated in the past and never had any trouble.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
hobonamy

Re: Fuel Tank Questions '85 Pininfarina

Post by hobonamy »

Thanks for the prompt replies. I will look at getting the tank cleaned and sealed. Now...base on what you have seen, do you think I will need to do anything special to the fuel lines and/ or injectors?
vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: Fuel Tank Questions '85 Pininfarina

Post by vandor »

No way to know on the metal fuel lines. Replace all the rubber hoses.
The injectors will likely be ok, but at this age it's a good idea to have the professionally checked and cleaned.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
hobonamy

Re: Fuel Tank Questions '85 Pininfarina

Post by hobonamy »

Csaba, Thanks. Appreciate your feedback. Bob
vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: Fuel Tank Questions '85 Pininfarina

Post by vandor »

If you have an air compressor you can blow through the metal lines when you are replacing the rubber hoses to get any loose stuff out.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
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