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Guest Anonymous

Kinsler surge tank 'kit' - $500 and change depending on size, etc.

Tank alone - mid-$200 range.

The 'kit' consists of a tank and some doo-dads, most notably a spring loaded check valve that keeps the surge tank pressurized to a few psi. That's an expensive ass check valve! Their tanks are either 3 or 4 inches in diameter and 8-12 inches tall.

I think it's time to find some scrap aluminum and cut it up and make my own ^@#(*&$@#&*@#$ surge tank for $50 and a coupla hours of work.

Perhaps a cheap fuel pressure regulator to keep the tank pressurized to a few psi or so?

 

 

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Morgan

http://z31.com/~morgan/s30

http://carfiche.com

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OWWWWWWWWW! I need to go this route too... and OW! OW. OW. Well no way I am going to buy one anyway... I'd sonner keep my tank more than 3/4 full all the time. :P

 

Morgan, keep posting what you find out, I'm finding it useful. smile.gif I should be going through the same thing in about 2 months.

 

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"Gimme Fuel,

Gimme Fire,

Gimme that which I desire"

-Metallica

 

Drax240z

1972 240z - L28TURBO transplant on the way!

http://members.xoom.com/r_lewis/datsun.html

http://members.home.net/drax77/newpage.html

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quote:

Originally posted by Morgan:

Kinsler surge tank 'kit' - $500 and change depending on size, etc.

Tank alone - mid-$200 range.

 

 

Sorry that didn't work out - I knew about the price of the tank - like I said, they aren't particularly cheap. Didn't know about the ~$270 for the rest of it, though - I guess I figured that you would be able to come up with the rest on your own.

 

They were competitively priced for the pump and regulator that I bought (maybe not the absolute cheapest, but close enough for the expertise that they offered), and I have had good dealings with them in the past.

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Guest Anonymous

How about one of these little guys (1-gallon)? about 95.00 at jegs? Have to figure out how to pressure it, but might be cheaper and less hassle than fabricating one.

 

Lone

 

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can't you locate it flush w/ the bottom of your tank or lower? Don't see why the need to pressurize it, OE VW unit's and the homemade 12oz. reserve tanks as per JTR etc work fine. Unless I misread and their's another purpose to this other than to just keep the fuel pump/motor supplied under a slosh/long sweeper etc??

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Guest Anonymous

I'm using a home made unti per the jtr book that holds about a quart. It has worked great and will allow me to run the tank bone dry. Total cost was $12 for the aluminum and a 6 pac to my buddy for the use of his tig. I hope this is what you guys are taking about, if not just ignore this old guy. Mark

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quote:

Originally posted by Ross C:

can't you locate it flush w/ the bottom of your tank or lower? Don't see why the need to pressurize it, OE VW unit's and the homemade 12oz. reserve tanks as per JTR etc work fine. Unless I misread and their's another purpose to this other than to just keep the fuel pump/motor supplied under a slosh/long sweeper etc??

 

The idea behind pressurizing the tank is twofold. First, the return-style regulator (assuming that it's properly located) bleeds off any air/vapor that gets into the secondary tank back to the main tank. Second, keeping the tank pressurized greatly reduces cavitation at the high pressure pump's inlet, and is generally beneficial to the high pressure pump's overall flow capacity. We were talking about a FI turbo setup here, right?

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Guest Anonymous

Hey mark, when you made your tank, did you put anything inside it? All the tanks I'm finding have "stuff" inside them to help separate the air/fuel and stuff.

I figure I can get some scrap aluminum and some bungs, cut it up, and take it to a welder to weld together and have one for $10 and a coupla hours of cutting up the aluminum - but I"m wondering about the whole baffling thing. So, is yours just a tank with nothing inside it?

Yeah $200+ isn't all that bad I guess, but I just wasn't expecting that much for a round piece of aluminum tubing with some ends and fittings welded onto it.

 

 

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Morgan

http://z31.com/~morgan/s30

http://carfiche.com

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Guest Anonymous

Hey drax - I picked up some scrap aluminum tubing and plate today, just gonna make my own tank. I got enough to make 3 or 4 tanks, you want one? Figure $2 in metal, $20 in fittings, and $10-50 to weld the tank together, plus my time smile.gif and it's pretty cheap compared to what I've found new.

I using 4 inch diameter aluminum for the tanks and 1/2 inch npt bungs.

 

 

------------------

Morgan

http://z31.com/~morgan/s30

http://carfiche.com

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Guest Anonymous

Morgan,

Tank has nothing in it. The inlet is placed up high and the outlet is down low. The return line from the engine and the vent line to the main tank are also located up high. The fuel returning from the engine and the fuel going to the small tank (being pushed by a small mechanical pump) purge the air out the vent line and in to the main tank. It works great. I'll be glad to send you some pics if you would like. Mark

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Um, honestly morgan when I consider in shipping and exchange rate its probably cheaper for me to make my own.

 

Definately let me know (and snap a picture or two) of what you end up with. I was thinking about a hinged baffle inside the tank, but I am not sure that it would flow well from one side to the other during idle...

 

------------------

"Gimme Fuel,

Gimme Fire,

Gimme that which I desire"

-Metallica

 

Drax240z

1972 240z - L28TURBO transplant on the way!

http://members.xoom.com/r_lewis/datsun.html

http://members.home.net/drax77/newpage.html

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