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Old 06-17-2010, 11:33 PM   #1
piddster
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Member#: 144285
Join Date: Mar 2007
Location: Twin Cities, MN
Vehicle:
1993 UHEV Legacy

Default Surge tank made from scrap....

I spent some quality time at Nathan's welding the fuel surge tank together. Nice day for it too, lol. At least I can TIG weld in a T-shirt.


It's all made from 3/16" (.1875) 6061.

Welding was done with a Syncrowave 250. Balance was set at "8" and the gas was what Nathan decided to leave it at. Granted, I have about 20 hrs of aluminum experience.


The tank went together well. Little contamination, and thick material is very forgiving. What baffles me is there are no pin-holes or any leaks whatsoever. I pressure tested the tank at 40 psi in the bucket of water, and there were zero bubbles after five minutes.


I'm waiting on the mounting feet since I should probably see how it will play out in the car before I commit to the mounting scheme. Now I need to figure out the fitting and line situation, but my trunk is full of parts....










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Old 06-17-2010, 11:43 PM   #2
piddster
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Rod was 4043. I hope to be able to anodize the tank. If I can't, I'll make a new one out of SS. E10 might be fine, but E85 might pose an issue, even if I don't don't have the fuel system to wrangle that corn crap.
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Old 06-18-2010, 12:06 AM   #3
eg33GC
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99 V4
EJ20K RS

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pulse?
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Old 06-18-2010, 12:35 AM   #4
piddster
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1993 UHEV Legacy

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Nope. Straight-up. I set the max at 170 amps, and flirted with the limit most of the time.


I used some heavy rod though. 1/8" IIRC.
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Old 06-18-2010, 08:43 PM   #5
kmurphy
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Location: roseville,ca
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2006 sti
obp

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4043 doesnt do well with anodizing. For anodizing you want to use the 5 series rod.
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Old 06-19-2010, 01:06 AM   #6
piddster
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1993 UHEV Legacy

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Dammit. My information was backwards. Oh well.


I can't run E85 until I do a major fuel system revision to the tune of about $1500, so I can just make a new one out of stainless when I get there. That's hot-rodden baby.
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Old 06-25-2010, 11:04 PM   #7
sackytar
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Location: Grand Rapids MI
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03WR Rally/XTDD/98SJ
PrimerGrey

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Looks good man.
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Old 07-04-2010, 11:03 AM   #8
madmax718
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Wow, for 20 hrs of alum experience, thats damn good.
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