water injection
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Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=102867
Printed Date: 24 Nov 2024 at 11:13pm
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Topic: water injection
Posted By: 200 allis
Subject: water injection
Date Posted: 06 Mar 2015 at 9:44pm
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If u had to make choice on water injection or air to water intercooler which would be better choice
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Replies:
Posted By: O.P.S. Heads
Date Posted: 06 Mar 2015 at 9:51pm
For power, the intercooler. For lower exhaust temps, the water injection. Both will lower temps and give more power, but the intercooler will add a lot of power and lower EGT's a little where the water injection will lower temps a bunch (depending on how much water you use) and add a little power.
Has someone said "take your pick - one or the other"? If not I would use both.
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Posted By: 200 allis
Date Posted: 06 Mar 2015 at 10:24pm
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Could do both egts are high was looking to get under control
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Posted By: O.P.S. Heads
Date Posted: 06 Mar 2015 at 10:50pm
How high are they?
What is your turbo and pump combination?
What is your injection pump timing set at?
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Posted By: 200 allis
Date Posted: 07 Mar 2015 at 5:26am
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390 head on pump hx35 turbo with 12 cm exhaust housing timing at 33. Thought about trying 14 cm housing
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Posted By: 200 allis
Date Posted: 07 Mar 2015 at 5:27am
Posted By: O.P.S. Heads
Date Posted: 08 Mar 2015 at 7:39pm
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If you are happy with its performance just spray a fine mist of water a foot or more ahead the turbo inlet. I would guess 15 ounces in 15 seconds to start with. Nothing fancy or expensive for a pump or nozzle. See what happens if it brings the temps down to 1700 then adjust to 20 ounces. Add water until you get to 1500 - 1600 degrees. That should be a safe number 1300 - 1400 even better. Anything over 20 ounces you may need to inject it after the turbo. Cheapest way to go to get things cooled off. Yes a looser turbine housing may help too, but I would use a little water first and see how it runs before changing any hard parts.
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