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ttangel
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 Posted: Fri Sep 12, 2008 1:46 pm |
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Joined: Fri Jul 23, 2004 2:25 pm
Posts: 2502
Location: Green Bay
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Bbviper wrote: Just and FYI On the pressure tester.
The Rob Beck one seems to be no longer made.
I have done some seaching and came up empty handed.
BUT !!!! I think 3sx sells one.
Also online is a instructional way to make your own.
I think that is at the Stealh316 site.
Tim Boo hiss on the not being made any longer. You can make them out of a CPVC cap, but it is a bit more of a struggle to get it to fit well. I could have my cousin CNC some out of aluminum. If anyone still wants one let me know. You will have to pay for materials, and a bit of Matt's labor, but other than that I'm not in this to make money. Which also means it will be on Matt's and mine's time table. I wouldn't do this if Rob was still making them, but as long as he is not doing it anymore I don't mind offering the service.
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a2j
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Posted: Sat Sep 13, 2008 10:39 am |
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Joined: Tue Sep 04, 2007 11:34 pm
Posts: 349
Location: Wrightstown
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how much?
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TT4ME
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Posted: Sat Sep 13, 2008 11:38 am |
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Joined: Sat Oct 13, 2007 10:28 pm
Posts: 215
Location: Manitowoc
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Thanks for the help again Adam.
We got the 92 running stock boost instead of WG and didn't make much progress on the 94. Anybody have a lot of experience with Blitz DSBC? We were thinking bad solenoid. I will try the overboosting idea next weekend.
Now that I think of it... I probably should have kept the pressure tester because we only tested the 92 at about 5psi.
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ver fer
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Posted: Sat Sep 13, 2008 4:46 pm |
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Joined: Sun Aug 17, 2003 2:04 pm
Posts: 767
Location: Oshkosh
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Bbviper wrote: Just and FYI On the pressure tester.
The Rob Beck one seems to be no longer made.
I have done some seaching and came up empty handed.
BUT !!!! I think 3sx sells one.
Also online is a instructional way to make your own.
I think that is at the Stealh316 site.
Tim How long ago was this? I bought one from him right be for the NG in June.
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'94 vr4- Now with extra slowness
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ttangel
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Posted: Mon Sep 15, 2008 8:37 am |
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Joined: Fri Jul 23, 2004 2:25 pm
Posts: 2502
Location: Green Bay
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So this is the way it went down, and I don't have a blitz boost controller, so I may be the wrong guy to speak intelligently about them... (or at all.) We fixed the many vacuum line shenannagans on the first gen car. The one vacuum line that I did not know where it went was the back of the throttle linkage. there was a vacuum line going to a "top hat shaped thing" and a line coming out of that as well. I don't have one of those on my second gen... and the vacuum line diagram did not show anything going to the throttle cable linkage. (right where it heads into the throttle body to move the butterfly) So... yeah. and the rats nest of stock vacuum lines leaked like a siive of course. The second gen was less complicated as it had a vacuum reduction done to it. We pressure tested it, and it had a few very small leaks that we could hear, but nothing that should have made it run wastegate pressure. As we started with the air compressor, you heard a tick or soft thud coming from the soleniod. then it built pressure until .95 or so bar, (14 psi for the metric challenged) and then 'click click click click' of the soleniod rocking back and forth. So the pressure test didn't find any major leaks. the boost controller is and boost gauge showed the same pressure. so I believe they were reading correctly. and the controller was "trying" to control the boost at the correct level. The stock vacuum lines to the wastegate actuators were abandoned and rerun in equal length silicon vacuum line. I am wondering if that first tick or thud from the dual soleniods was one soleniod being bad... so that when you run an air compressor, you can over come the leak through the line, and create enough pressure in the system to go above the 6psi, but when you are actually running the car, the one bad solenoid lets air by it and controls the boost at wastegate...? yeah? neah? any dual soleniod experts out there? why even freakin' have two of them? Or is there some setting on the blitz controller that you will run wastegate even when it is set to a different pressure as a safety function, and we just need to play with the controller? Expertise in the field of dual soleniod boost controllers is needed. The call has gone out. Who will answer in the time of need? a2j wrote: how much? I don't know. I can stop out by him with the tester and see what he thinks.
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ver fer
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Posted: Mon Sep 15, 2008 8:04 pm |
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Joined: Sun Aug 17, 2003 2:04 pm
Posts: 767
Location: Oshkosh
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It may be a bad solenoid but could be sure unless I heard it. Does it start clicking as soon as you start building pressure?
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'94 vr4- Now with extra slowness
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TT4ME
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Posted: Tue Sep 16, 2008 7:01 am |
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Joined: Sat Oct 13, 2007 10:28 pm
Posts: 215
Location: Manitowoc
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It clicks once when you first start building pressure and then it clicks non-stop at 15psi.
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ttangel
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Posted: Tue Sep 16, 2008 7:44 am |
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Joined: Fri Jul 23, 2004 2:25 pm
Posts: 2502
Location: Green Bay
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ver fer wrote: It may be a bad solenoid but could be sure unless I heard it. Does it start clicking as soon as you start building pressure? okay, well, let's play the pretend game. let's pretend we know the soleniod is good. what else would cause this car to only run wastegate pressure?
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ver fer
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Posted: Tue Sep 16, 2008 10:40 pm |
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Joined: Sun Aug 17, 2003 2:04 pm
Posts: 767
Location: Oshkosh
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The actuator arms may not be adjusted correctly. Did you check the if the actuators were working properly?
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'94 vr4- Now with extra slowness
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ttangel
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Posted: Wed Sep 17, 2008 7:50 am |
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Joined: Fri Jul 23, 2004 2:25 pm
Posts: 2502
Location: Green Bay
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ver fer wrote: The actuator arms may not be adjusted correctly. Did you check the if the actuators were working properly? no. I did not check that. it was fairly difficult to reach. and I'm not used to all that intake piping anymore...  Plus, I don't think I've ever messed with actuator arm adjustment, as I always used my set that worked... until I sold them to jhammer. The turbos are freshly rebuilt, and what not, though, I do remember hearing that... from lear70?? so I kinda figured that would not be an actuator/turbo problem if they were new(er). Should have probably checked that... How would that make them open early though? bad springs? the controller should keep them from seeing ANY boost until it's ready to open the vacuum lines to them... or am I thinking backwards again? woot woot.
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ver fer
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Posted: Wed Sep 17, 2008 6:52 pm |
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Joined: Sun Aug 17, 2003 2:04 pm
Posts: 767
Location: Oshkosh
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Backwards? You?  If the actuator are not adjusted right there may not be enough tension on the wastegate flapper and it will let some of the exhaust leak past. I learned this one from experience. 
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'94 vr4- Now with extra slowness
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ttangel
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Posted: Thu Sep 18, 2008 5:43 pm |
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Joined: Fri Jul 23, 2004 2:25 pm
Posts: 2502
Location: Green Bay
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ver fer wrote: Backwards? You? If the actuator are not adjusted right there may not be enough tension on the wastegate flapper and it will let some of the exhaust leak past. I learned this one from experience. hey. just because my beard is cooler than yours doesn't mean that I can't forward think. How would one test that? yank on the bar, and see if it moves? or air pressure directly on the line, and see how much pressure it takes?
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TT4ME
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Posted: Fri Sep 19, 2008 7:22 pm |
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Joined: Sat Oct 13, 2007 10:28 pm
Posts: 215
Location: Manitowoc
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TT4ME
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Posted: Sat Sep 20, 2008 7:17 pm |
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Joined: Sat Oct 13, 2007 10:28 pm
Posts: 215
Location: Manitowoc
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Update!
Adam, I disconnected the WGs tonight and did the highway run you suggested. I was only able to get up to .64 bar or ~9 psi.
Soooooo I dunno
Last edited by TT4ME on Sun Sep 21, 2008 12:24 pm, edited 1 time in total.
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Bbviper
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Posted: Sun Sep 21, 2008 10:49 am |
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Joined: Wed Aug 13, 2003 5:03 pm
Posts: 315
Location: Bonduel , WI
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Sorry about the mis info on the pressure tester . Every time I went over to 3Si, the thread to buy from him I had gotten from Stealth 316 didn't work . So I asked around and out of the 5 guys I emailed I got 2 responses saying they thought he had stopped making them. The other 3 guys were like "what is a pressure tester"???? DOOOHO!  Trust me I will be buying one if I can get myhands on one...... 
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