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Gast Tank Question...

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Old 09-09-08, 09:18 AM
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Wrkn Toyota, Rootn Wankel

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Gast Tank Question...

I'm curious if you can use an 82 FB gas tank on a fuel injected engine?

Do they still have a fuel return line?
Old 09-09-08, 11:22 AM
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Depends on the engine you plan to run... The FC's fuel system still runs a return, and in order to make the FB tank work with FI you either need to take the fuel slosh cup and mounting ring from a FC tank and weld to into your FB tank, or run a external surge tank setup.
Personally for simplicity and noise I went with the FC intank style pump, you can't hear it and it works just like a stock cars setup would...

Oh btw, the reason I asked which engine is because many more modern cars, such as the Rx-8 have a returnless system, so it really depends on what you are going for...
Old 09-09-08, 04:31 PM
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Wrkn Toyota, Rootn Wankel

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Originally Posted by 82transam
Depends on the engine you plan to run... The FC's fuel system still runs a return, and in order to make the FB tank work with FI you either need to take the fuel slosh cup and mounting ring from a FC tank and weld to into your FB tank, or run a external surge tank setup.
Personally for simplicity and noise I went with the FC intank style pump, you can't hear it and it works just like a stock cars setup would...

Oh btw, the reason I asked which engine is because many more modern cars, such as the Rx-8 have a returnless system, so it really depends on what you are going for...

Its a N/A 13B from an '86 S4. Hmm... so should I probably try and hunt down a GSL-SE tank? I'd rather not weld in a gas tank...
Old 09-10-08, 09:25 AM
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Yes, if you don't want to weld then a GSL-SE tank and its external pump assembly will work just fine.
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