1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Surge Tank set up

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Old 07-12-08, 07:32 AM
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Exactly. I always look for OE parts when possible / practical. They're usually a lot more durable -- and cheaper, too. Both the Bosch pumps I used in my setup are OE pumps. Other good brands to look for are Denso and Walbro.
Old 07-12-08, 08:01 AM
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Originally Posted by REVHED
That's what I did except I used a Carter as the filler pump and Bosch as the main pump. There's enough room under the car to shoehorn it all in.

The SE pump should be ok as you'd have to be under full load for quite some time to suck the surge tank dry.


Very nice the only thing is that I have a bigger tank and I dont know if it fits under.
Old 07-12-08, 09:17 AM
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how big are the surge tanks you all are using?
Old 07-12-08, 04:04 PM
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I had bought this fuel cell a long time ago for a different car set up that I had and never used it. But tham I dont even know were to mount this ******.
Attached Thumbnails Surge Tank set up-sum-290122_w.jpg  
Old 07-13-08, 02:41 AM
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Walbro's are great but I've heard about 50% of the ones being sold are shitty chinese rip off's
Old 07-13-08, 09:44 AM
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Originally Posted by jcfrx7
I had bought this fuel cell a long time ago for a different car set up that I had and never used it. But tham I dont even know were to mount this ******.
That's a big tank to use as a surge tank. I'm sure it would work, but you can probably make something that will work as well and package easier. The skinnier and taller, the better. My tank is 3" dia aluminum X 10.2" tall, and REVHED's looks to be about the same. Tall skinny tanks don't allow the fuel to slosh away from the pickup.

Here's an excellent guide on swirl pot design: http://www.fortunecity.com/silversto.../swirlfaq.html

And here's a picture of mine, which satisfies most of the guidelines.
Attached Thumbnails Surge Tank set up-swirl-tank-1.jpg   Surge Tank set up-swirl-tank-2.jpg  
Old 07-13-08, 12:17 PM
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Originally Posted by elwood
That's a big tank to use as a surge tank. I'm sure it would work, but you can probably make something that will work as well and package easier. The skinnier and taller, the better. My tank is 3" dia aluminum X 10.2" tall, and REVHED's looks to be about the same. Tall skinny tanks don't allow the fuel to slosh away from the pickup.

Here's an excellent guide on swirl pot design: http://www.fortunecity.com/silversto.../swirlfaq.html

And here's a picture of mine, which satisfies most of the guidelines.
Thats a great set up there. It looks like I have to make me a smaller tank. I wanted to make this happen before I go to the Dyno. But since is a big task I guess I just run with a full tank for right now.
Old 07-15-08, 08:41 AM
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I found another schematics. Will this work?
Attached Thumbnails Surge Tank set up-untitled.jpg  
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