GS - 1st Gen (1993-1997) Discussion about the first generation GS300

Fuel line/pump upgrades

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Old 12-30-12, 08:51 PM
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twojayzee
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Default Fuel line/pump upgrades

I've been digging thru the archives and thru google images to see what mods guys have been doing for fuel line upgrades.

Right now it looks like most folks add bulkhead fittings thru the removable bulkhead disk in the tank.

I have a bosch 044 and plan to run a -8 supply and a -6 return.

Anyone attempted to upgrade the line size at the bottom of the tank ? Im not paticularly fond of running lines out the bulkhead down behind the seat and out under the car.

thanks
Old 01-03-13, 10:06 AM
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94Silver
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Been waiting to do this as well and have found VERY little info on the subject... Where are the fittings on the tank are they on the bottom?

Also. I think a -8 might be overkill, I would just run a -6 for both feed and return.
Old 01-04-13, 06:55 AM
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twojayzee
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Originally Posted by 94Silver
Been waiting to do this as well and have found VERY little info on the subject... Where are the fittings on the tank are they on the bottom?

Also. I think a -8 might be overkill, I would just run a -6 for both feed and return.
The fittings are on the bottom of the tank from what I can tell. Looks like inverted flare connections. I've been debating whether or not to run the oem supply line as the return and bend it inside the tank.
-8 supply may be necessary around 1000 RWHP and when I add a second pump.

I always say build it right the first time and never look back. < This usually means overkill lol
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