 Boost Leak... Pop? |
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 Jun 26 2006, 08:28 PM
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#1
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Web Administrator Yo!  Group: Admin Posts: 516 Joined: 30-August 04 From: Mackinaw, IL Member No.: 376  |
Has anyone else heard a pop, like a baloon when under boost? I had it happen last night and it felt like I lost boost at the same time. After letting off I hit the throttle again and was able to still build boost (only reved enough for 3lbs). I checked all of the couplers and could not find any out of place. I have blown the couplers off before but never had one, theoretically, swell up and pop off the pressure.
I will be doing a boost leak later tonight but thought I would see if anyone else has experienced this. -------------------- Fast & Furious on the outside...DSM under the hood!!!
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Jun 26 2006, 08:54 PM
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#2
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 Post Master Group: Members Posts: 810 Joined: 9-July 03 From: Bloomington, IL Member No.: 151 |
backfire?
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Jun 26 2006, 09:19 PM
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#3
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Web Administrator Yo! Group: Admin Posts: 516 Joined: 30-August 04 From: Mackinaw, IL Member No.: 376 |
I was rollin with the top and windows down and am pretty sure that it came from up front.
-------------------- Fast & Furious on the outside...DSM under the hood!!!
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Jun 26 2006, 09:45 PM
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#4
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 Post Master Group: Members Posts: 986 Joined: 7-July 04 From: Central Illinois Member No.: 318 |
I've heard such stories but haven't experienced 'em. Hell, anyone runnin' a turbo better DAMN sure run a thorough leak test before SUNDAY!
-------------------- ... she likes bein' forced ...
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Jun 26 2006, 10:31 PM
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#5
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Web Administrator Yo! Group: Admin Posts: 516 Joined: 30-August 04 From: Mackinaw, IL Member No.: 376 |
Found a serious leak right at the compressor outlet. What is the general concensus: Gasket or black RTV between the turbo and J pipe? I guess I have never tried both
-------------------- Fast & Furious on the outside...DSM under the hood!!!
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Jun 27 2006, 04:12 AM
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#6
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 DSMCentral Freak Group: Validating Posts: 365 Joined: 3-January 03 From: Mt. Sterling, IL Member No.: 60 |
I tried just the gasket when i had my GSX and it leaked like crazy. Before i tore it apart someone just used RTV silicone. I ended up using the gasket and silicone and it worked just fine.
-------------------- 2005 Mitsubishi Eclipse GS- Pretty daily driver
--------------------------------------- 1990 Mitsubishi Eclipse GSX- Traded in, buhbye little buddy 1994 Plymouth Laser- 1.8 auto. 1994 Mitsubishi Eclipse- GS auto. RIP 12/5/02 |
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Jun 27 2006, 07:33 PM
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#7
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Web Administrator Yo! Group: Admin Posts: 516 Joined: 30-August 04 From: Mackinaw, IL Member No.: 376 |
I gave it a light sand papering to get all of the old RTV off and then gave it a fresh layer. My guess is that the way it was leaking I must have actually blown the seal that the RTV had going. Also, as I was tightening one of the bolts I got that stripped feeling(the bolt not me). I think the last time I quit when it felt as if it was stripping, but having just seen that the threads were OK I kept at it. In a few more turns it snugged up real nice so I think it will hold better this time.
Thanks for the replys! -------------------- Fast & Furious on the outside...DSM under the hood!!!
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Aug 3 2006, 10:04 PM
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#8
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Web Administrator Yo! Group: Admin Posts: 516 Joined: 30-August 04 From: Mackinaw, IL Member No.: 376 |
A couple of days ago I was leak testing again. I noticed that I still had a decent leak around the compressor housing/ J pipe connection. I gave the system a little extra pressure this time and... what the... the damn J pipe is leaking around the flange! Whoever does RREs J pipes did a crap welding job and left a couple of pin holes. I hit them with JB weld inside and out.
The moral of this story is that the debate of gasket vs. RTV does not matter if your flange leaks... -------------------- Fast & Furious on the outside...DSM under the hood!!!
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Aug 4 2006, 10:07 PM
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#9
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 DSMCentral Freak Group: Members Posts: 259 Joined: 6-February 04 From: Bloomington Member No.: 233 |
QUOTE (spyonu2007 @ Jun 27 2006, 08:14 AM) Black RTV is your friend. Why does it have to be about race dan?? Black RTV works in somany aplications, the posibilitys are endless. -------------------- Yeah!!!!!!!!!!! AND WASH THAT THING OFF BEFORE YOU COME BACK!!! GROSS
FP 3065, Ported 2G exahust manifold, AEM EMS, 3" 02 housing, Shepard Racing Stage 3 tranny, Fadinza 8 LB. flywheel, Exedy stage 2 tripple puck thick ceramic cluch, 08 from the tank to filter, -6 to rail from filter, Aeromotive FPR 1:1 riseing rate, Crower Stage 4's. All of that and I don't know what I want to do next. |
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