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header leak

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Old Apr 12, 2018 | 07:48 PM
  #1  
SketchyZed's Avatar
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Joined: Jul 2016
Posts: 331
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Car: 1991 camaro z28
Engine: 5.7
Transmission: 700r4
Axle/Gears: 3.23
header leak

Okay what size hex am i going to need for these https://www.summitracing.com/parts/stg-8911/overview/
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Old Apr 13, 2018 | 08:06 AM
  #2  
midias's Avatar
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Joined: Oct 2004
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: header leak

I believe they use a 3/16 allen key.
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Old Apr 13, 2018 | 08:53 AM
  #3  
kaos420's Avatar
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Joined: Aug 2008
Posts: 172
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Car: 88 gta
Engine: 5.8
Transmission: 700R4
Axle/Gears: 3.73 POSI
Re: header leak

I used the arp header bolt they have a crazy type of lock washer work great an they cost like 25$ at autozone.have never had aproblem after that
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