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Top 2GNT Technical Turbo/Nitrous Tech topic #108872
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Subject: "Exhaust bolts: Bolt on Vband adapter to turbo: keep backing out" Previous topic | Next topic
streetlightningAug-08-11 09:47 PM
Member since Mar 19th 2004
778 posts,
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#108872, "Exhaust bolts: Bolt on Vband adapter to turbo: keep backing out"
Aug-08-11 10:03 PM by streetlightning

          

I keep having an issue where my exhaust bolts keep backing out. they are the bolts holding my V Band adapter to the turbo... Ive tried Loctite.. no go, after an hr or so of driving and a little boosting, i notice the bolts have backed out a little, and cause a leak, i can see my wide band ditch lean b/c of the extra air...... The gasket is an "perma seal" aka aluminum gasket.. paper always fall apart.

I used the high strength high temp locktite..

They are a beveled bolt, with a flat head, so using lock washers isnt an option.

any tips?

here are the parts (minus that 90 degree bend)

http://www.turbosystem.com/New_Folder/HEX%204760%20Turbo%20Adapter%20Kit.htm

bolts to hotside of my s20g

you can always trust a dishonest man to be dishonest, honestly, its the honest ones you need to look out for. you never know when they will do something..stupid

  

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Replies to this topic

Ebster1085Aug-09-11 06:54 AM
Member since Jun 11th 2009
531 posts,
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#108873, "RE: Exhaust bolts: Bolt on Vband adapter to turbo: keep backing out"
In response to Reply # 0


          

I run Hahns downpipe with the V-band flange and have never had an issue. I think you should try running it with no gasket at all. This is what I do, and the bolts havent backed out in years. No loctite or other agent used.

1999 Eclipse GS
Built motor
Hahn 16G Turbo w/ FMIC
Hahn Stage 5 Portfueler (270's & 500's)
Zeitronix Zt-2 wideband w/ 3.5bar MAP
3" SS Turbo Back
CM Stage 4 Clutch and Fidanza Flywheel
Baer Big Brake Kit

  

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SilvrEclipsAug-09-11 07:59 AM
Member since Nov 27th 2007
534 posts,
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#108875, "RE: Exhaust bolts: Bolt on Vband adapter to turbo: keep backing out"
In response to Reply # 1
Aug-09-11 05:49 PM by SilvrEclips

          

If you have a welder you could put a small tack on each bolt to hold it in place. You shouldn't be removing them that often

98 Eclipse GS Turbo
Built motor - MS2 - Holset hy35 - Zoom Stg 4 Clutch - 57.5mm TB - ARP Headstuds - Turbonetics wastegate - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - 650cc Injectors - Fidanza Flywheel - Cobra calipers w/ 13" Rotors - Oil Cooler - DevilsOwn meth injection

1981 Chevy Scottsdale
1987 Nissan 300zx - Chump Car
2001 BMW 325i

  

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streetlightningAug-09-11 08:59 AM
Member since Mar 19th 2004
778 posts,
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#108876, "RE: Exhaust bolts: Bolt on Vband adapter to turbo: keep backing out"
In response to Reply # 2


          

My hot side has been ceramic coated, if i run no gasket, i would think there would be an exhaust leak>? thats what im figthing now, a small leak, introduces air for my wide band to pick up and mess with me..

you can always trust a dishonest man to be dishonest, honestly, its the honest ones you need to look out for. you never know when they will do something..stupid

  

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