Problems with water tank/Pump
Thread Starter
7 Second Club
iTrader: (11)
Joined: Jul 2002
Posts: 8,758
Likes: 9
From: Port Tobacco, MD
Problems with water tank/Pump We're having issues with water flow with our Intercooler/water tank/pump setup. Basically it starts fine and than trails off.
Tank: Chiseled 5 gallon - No vents
Pump: Rule 3800 gph - 1.25" feed from tank to pump, pump is below the tank
Intercooler: Chiseled 3000hp
We first noticed a problem, the IATs were hot - 130ish on a 70 degree day not really pushing the turbo. We thought it was from the trans cooler being in the tank.
So we removed the transcooler for last nights race. IATs are still up. So we started looking.
When we first turn on the pump on the water in the tank really flows fast. It shoots across the tank with ease. After it runs for a few seconds the flow dramatically drops until it just basically rolls out of the return. It seems to get better with the lid off.
We're wondering if its pulling in air or the pump is cavating from not having a vent. We notice the Lid is VERY hard to get off once we come back from a run.
Tank: Chiseled 5 gallon - No vents
Pump: Rule 3800 gph - 1.25" feed from tank to pump, pump is below the tank
Intercooler: Chiseled 3000hp
We first noticed a problem, the IATs were hot - 130ish on a 70 degree day not really pushing the turbo. We thought it was from the trans cooler being in the tank.
So we removed the transcooler for last nights race. IATs are still up. So we started looking.
When we first turn on the pump on the water in the tank really flows fast. It shoots across the tank with ease. After it runs for a few seconds the flow dramatically drops until it just basically rolls out of the return. It seems to get better with the lid off.
We're wondering if its pulling in air or the pump is cavating from not having a vent. We notice the Lid is VERY hard to get off once we come back from a run.
I am not sure if this would be the same as what you are talking about, but does the coolant system work the same way. Do you have to run a vent on it also? I am not using the stock overflow so I was just wondering if it needs to vented in someway also!
This has my curiosity, as I was getting ready to order the Chiseled water tank, wasn't sure if I wanted the 5 or 7 gallon. Being as it is not pressurized, I would think you are on the right track with the vent. Saving there is not a mechanical or electrical problem with the pump. Adding a vent or leaving the lid off to test might confirm.
Trending Topics
i do not have a giant water system but mine does not have a vent.
you would have to be losing fluid from the reservoir to have some low pressure in there, but you gain it (pumped back from ic) as fast as you lose it (pump to ic)
also consider that you watch the problem happen while the cap is off.. plenty of venting happening then still having the problem
i would look for a hose collapsing between the reservoir and water pump
you would have to be losing fluid from the reservoir to have some low pressure in there, but you gain it (pumped back from ic) as fast as you lose it (pump to ic)
also consider that you watch the problem happen while the cap is off.. plenty of venting happening then still having the problem
i would look for a hose collapsing between the reservoir and water pump
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
Vent... Phil here's a link to my water tank - on the right.. notice the vent upper left. Doubt it, but there could be one other thing could be the problem -- do you have foam or a screen in front of the outlet? My son has a problem with his water tank - same set up as mine - no foam in the bottom and the ice get stuck in the outlet plugging up the hole.
Here's a picture of my set up: http://sio.midco.net/davidb/Magazine/jun300013.JPG
David
Here's a picture of my set up: http://sio.midco.net/davidb/Magazine/jun300013.JPG
David
Thread Starter
7 Second Club
iTrader: (11)
Joined: Jul 2002
Posts: 8,758
Likes: 9
From: Port Tobacco, MD
i do not have a giant water system but mine does not have a vent.
you would have to be losing fluid from the reservoir to have some low pressure in there, but you gain it (pumped back from ic) as fast as you lose it (pump to ic)
also consider that you watch the problem happen while the cap is off.. plenty of venting happening then still having the problem
i would look for a hose collapsing between the reservoir and water pump
you would have to be losing fluid from the reservoir to have some low pressure in there, but you gain it (pumped back from ic) as fast as you lose it (pump to ic)
also consider that you watch the problem happen while the cap is off.. plenty of venting happening then still having the problem
i would look for a hose collapsing between the reservoir and water pump
