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Top 2GNT Technical Turbo/Nitrous Tech topic #37108
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Subject: "Anyone using a pop-off valve?" Previous topic | Next topic
CollenteJan-08-03 05:30 AM
Member since Sep 20th 2002
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#37108, "Anyone using a pop-off valve?"


          

This looks to me like a damn good way to prevent over boost! Anyone use it? I really like this idea..
Check it out:http://www.rx7.com/cgi-local/3catalog.cgi?cat=9&part=4

** I found some for $40


Nick
97RS
Custom IHI Stage2
Obx exhaust, Limo Tint,
Custom interior, Upper Strut Bar, Kenwood/pioneer stereo.

Nick
97RS

  
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Replies to this topic
RE: Anyone using a pop-off valve?, mcgyvr, Jan-08-03 07:01 AM, #1
RE: Anyone using a pop-off valve?, RxR_Eclipse, Jan-08-03 01:21 PM, #2
      RE: Anyone using a pop-off valve?, TeamDeanoD, Jan-08-03 04:25 PM, #3
           RE: Anyone using a pop-off valve?, Collente, Jan-09-03 06:46 AM, #4
                RE: Anyone using a pop-off valve?, lazerus, Jan-09-03 07:12 AM, #5
                     RE: Anyone using a pop-off valve?, Collente, Jan-09-03 11:28 AM, #6

mcgyvrJan-08-03 07:01 AM
Old School 2GNTer
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#37109, "RE: Anyone using a pop-off valve?"
In response to Reply # 0

          

how often does the wastegate get stuck or fail to operate, anyone had that happen???? Im just wondering for my info

1998 dodge avenger 4 cyl AT
Mods are:
Not enough

  
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RxR_EclipseJan-08-03 01:21 PM
Old School 2GNTer
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#37110, "RE: Anyone using a pop-off valve?"
In response to Reply # 1

          

Well you have my attention..I will give you 40 right now for that greddy unit. Let me know. I would love to set my wastegate back to stock and let the pop off valve do its work.

Kevin
The old:


The new:

  
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TeamDeanoDJan-08-03 04:25 PM
Donating 2GNT member
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#37111, "RE: Anyone using a pop-off valve?"
In response to Reply # 2

          

That would make the turbo work harder creating more heat into the intake piping. Basically you would be asking the turbo to build boost beyond its efficiency and let the popoff valve bleed off the extra pressure. Bad idea.

Popoff valve does exactly what it says. Protects against over boost or spikes. That is all it would be good for.

The money spent on that would be better served going to a good boost controller or Tial Wastegate. IMHO


97 RS(PTE SC-61, Built Long Block, Electromotive Tec 3)It's Here!

  
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CollenteJan-09-03 06:46 AM
Member since Sep 20th 2002
2447 posts, 		Click to send email to this author Click to send private message to this author Click to view this author's profile Click to add this author to your buddy list
#37112, "RE: Anyone using a pop-off valve?"
In response to Reply # 3

          

I just seamed to notice a lot of blown engines from over boost. or boost spikes. I thought that it could be a nice safeguard. RXR it was actually different then the greddy unit. But looked pretty nice non the less emoji

Nick
97RS
Custom IHI Stage2
Obx exhaust, Limo Tint,
Custom interior, Upper Strut Bar, Kenwood/pioneer stereo.

Nick
97RS

  
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lazerusJan-09-03 07:12 AM
Old School 2GNTer
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#37113, "RE: Anyone using a pop-off valve?"
In response to Reply # 4

          

1.) Popoff Valves are not to be used to control boost, you will over spin the turbo and will wear out the bearings VERY quickly.

2.) As it's been said you use a pop off valve for overboost conditions, not to control boost in any way.

3.) You use one in conjunction with with a Blow off valve, just to make things clear. =)

Brad


  
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CollenteJan-09-03 11:28 AM
Member since Sep 20th 2002
2447 posts, 		Click to send email to this author Click to send private message to this author Click to view this author's profile Click to add this author to your buddy list
#37114, "RE: Anyone using a pop-off valve?"
In response to Reply # 5

          

This would prop be really good to own if you were going to be running a small shot of nitrous.. emoji


Nick
97RS
Custom IHI Stage2
Obx exhaust, Limo Tint,
Custom interior, Upper Strut Bar, Kenwood/pioneer stereo.

Nick
97RS

  
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