It has a rear-mounted flat-six engine and originally a torsion bar suspension. The Spectre FI 306C tank has been in the car for 5 years now, lots of full to half fills, no issues, I think it will be fine, a good tank at a reasonable price.The Porsche 911 (pronounced Nine Eleven or in German: Neunelf) is a two-door 2+2 high performance rear-engined sports car introduced in September 1964 by Porsche AG of Stuttgart, Germany.
So after having 5 tanks in that van I was suspicious of having a lot of spot welds in the bottom of the new FI tank in the SS. Just had the tank out AGAIN to replace the pump, tank looked good yet. Cut a 12 x 12 piece of 12 gauge, tacked it to the bottom of the 4th new tank, that was 8 years ago. The long 25 gallon tank was flexing in the middle. The tank was fatigue cracked around the spot welds for the sump. One year later the Spectre was leaking, this time could find the leaks. Threw it on the counter at my local supplier, replaced it with a Spectre. 6 months later the tank was leaking, got a warranted replacement, 6 months later the second was leaking. A new Gm tank was not available, bought a Dorman replacement. Replaced everything from the intake manifold back with new. The fuel pump died, the tank was rusty, fuel hard lines and fitting were junk. I think the plastic sump itself is a better design.Ī side note here, my 95 Astro van originally had a steel tank, plastic sump. All the GM FI tanks had a plastic sump, all the Spectre FI tanks have a sheetmetal sump spot welded on the tank bottom half. The big difference between the Spectre FI tank and the OEM G-body FI tank is the sump. And if I ever go FI, the tank is already bought. I wanted the sump for additional baffling on a non-electric pump setup. I installed one when I did my fuel system upgrade to 1/2". The Spectre FI tank, GM 306C is very reasonable, a good tank. So you can get by without a sumped tank, but.
This helps to prevent pump starvation when running less than a 1/2 tank. The stock SS tank only has a baffle running side to side, the FI tank has that baffle and a sump in the pump location.
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