V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

size of dist. hold-down bolt??

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Old Jun 13, 2004 | 09:37 PM
  #1  
squirrelybird's Avatar
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From: Lutz, FL USA
size of dist. hold-down bolt??

when i changed my distributor, i had to wrestle with a couple wrenches to get the hold down bolt off/ on. well i need to advance my timing a little, and i dont wanna mess with it. im gonna just buy one of those pre-bent distributor hold down wrenches, but save me the trouble of checking.....what size is our distributor hold down bolt???

thanks
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Old Jun 13, 2004 | 09:40 PM
  #2  
Trickster's Avatar
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Hello Squirrelybird,

Haven't seen you around lately, how are things going? On mine the bolt head is a 9/16". Have fun!!!!!!!!!!!!!
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Old Jun 13, 2004 | 10:09 PM
  #3  
Damien00677's Avatar
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From: Dubuque, IA
Car: 2006 'Nox 91 Camaro RS 91 1500 Silv
Engine: GM 3.8L, 305 SBC, 350 SBC
Transmission: Auto, auto, auto
Mine was metric, the one just larger than 9/16...I think 13mm. We ground it to 9/16 though so I could use that nifty wrench.
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Old Jun 14, 2004 | 12:07 AM
  #4  
2_point8_boy's Avatar
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
easy way here...

13mm socket -> u-joint socket -> 12" extension -> ratchet/driver

takes care of the issue, just get it as straight as you can...it'll work and I bet you already have these tools
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Old Jun 14, 2004 | 03:27 AM
  #5  
89V6FBIRD's Avatar
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
You sure its 13mm? I could've sworn I lost a 15mm socket trying to remove the dist off my ex's 3.1. And I did have success with a 15mm socket... so I'm going to say its 15mm, because that's what mine is too.
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Old Jun 14, 2004 | 08:12 AM
  #6  
RBob's Avatar
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
The 3.1l in '92 has a 15mm bolt head. Don't know about any of the other years.

RBob.
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Old Jun 14, 2004 | 08:52 AM
  #7  
AM91Camaro_RS's Avatar
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From: Central FL
Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
i was thinking that mine was metric, but i couldn't remember if it was 13 or 15mm.
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Old Jun 14, 2004 | 09:07 AM
  #8  
TMX's Avatar
TMX
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From: Raleigh, NC
Car: 84 & 92 Z28s
Engine: 305 carb & 305 TPI
Transmission: T-5
It will either be 9/16 or 15mm.

-B
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Old Jun 14, 2004 | 09:16 AM
  #9  
Dale's Avatar
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Joined: Jun 2002
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
all of the 6/60's I have messed with, 15mm
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Old Jun 14, 2004 | 02:17 PM
  #10  
BitchinRS's Avatar
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Joined: Jul 2001
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From: Modesto, CA USA
It should be 15mm. When I bought my pre-bent wrench the only one the parts store had listed was for the 2.8 and they were all 15mm. The pre-bent wrench makes life a whole lot easier!!!!!! Just wiggle down there and turn. No fugging around involved.

I could not find one at chain stores like Kragen's, Auto Zone, etc. I had to go to my favorite local parts store that supplys shops with tools and parts. coast me all of $8.00 . I all ways sujest finding one these types of parts stores. They carry better quailty parts and tools. You can even find strange off the wall tools, like pivot pin removers for working on tilt stearing collums.
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Old Jun 14, 2004 | 08:47 PM
  #11  
2_point8_boy's Avatar
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Joined: Nov 2002
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From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
Originally posted by 2_point8_boy
easy way here...

13mm socket -> u-joint socket -> 12" extension -> ratchet/driver

takes care of the issue, just get it as straight as you can...it'll work and I bet you already have these tools
yup, sure is a 15mm...my bad, mind must've been on food again
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