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Wheel well liner bolts [message #248284]

Wed, 23 April 2014 10:48

Donovan-formerly Jase386

Messages: 139
Registered: January 2009
Location: Greenville SC

Karma: 0

Senior Member

Does anyone know the specs on the large bolt that holds the very top of the fender wells in? I have managed to misplace both of mine.

Also maybe if someone has some extras, that could be helpful. But im fine with knowing the specs of the bolt such as size and thread, and using a large washer.

Donovan, Greenville SC 1975 Eleganza II 81,500 miles

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Re: [GMCnet] Wheel well liner bolts [message #248285 is a reply to message #248284]

Wed, 23 April 2014 11:01

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

I have found that 1/4 inch hex head lag bolts work fine. About 1-1/2" long

Emery Stora

> On Apr 23, 2014, at 9:48 AM, jase386 <jase386@aol.com> wrote:
>
>
>
> Does anyone know the specs on the large bolt that holds the very top of the fender wells in? I have managed to misplace both of mine.
>
> Also maybe if someone has some extras, that could be helpful. But im fine with knowing the specs of the bolt such as size and thread, and using a large washer.
>
>
> --
> Donovan, Greenville SC
> 1975 Eleganza II (Ella)
> 72,500 miles
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Re: Wheel well liner bolts [message #248288 is a reply to message #248284]

Wed, 23 April 2014 12:59

skip2

Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...

Karma: 3

Senior Member

To make my wells easier to put back in I used the bolt arrangement that has a 1/4 lag on one end and 1/4 20 bolt thread on the other. Screwed the lag in and had the bolt thread hanging down and made it real simple to line up the top center hole when reinstalling. Used about a 2" plastic fender washer made from a hole saw plug when I cut a 2" hole in a PVC electrical box. It just helps spread the load so it doesn't tear out. Don't leave no more bolt than you really need hanging down so you don't get caught on it.
Skip Hartline

74 Canyon Lands, FiTech, 3.7 FD LSD, Manny Tranny, Springfield Distributor, 2001 Chevy Tracker Ragtop Towd

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Re: Wheel well liner bolts [message #248296 is a reply to message #248284]

Wed, 23 April 2014 17:20

roy1

Messages: 2126
Registered: July 2004
Location: Minden nevada

Karma: 6

Senior Member

Donovan-formerly Jase386 wrote on Wed, 23 April 2014 08:48

my bolts are all the same except for the washer.

Roy Keen Minden,NV 76 X Glenbrook

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Re: [GMCnet] Wheel well liner bolts [message #248297 is a reply to message #248288]

Wed, 23 April 2014 17:21

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Skip

I did something similar.

1) Removed the wheel well liners.

2) Drilled a 5/16' hole up through the cockpit floor using the lag bolt hole as a guide

3) Purchased the following parts:
3 ea 5/16" x 18 x 2" Stainless Steel (SS) Carriage Bolts - FULLY THREADED
3 ea 5/16" SS Flat Washers
3 ea 5/16" x 18 SS Nuts
3 ea 5/16" SS Fender Washers
3 ea 5/16" SS Lock Washers
3 ea 5/16" SS Wing Nuts
? ea 1/4" x 1" SS Lag Bolts - Used to attach the "lip" of the wheel well to the body
? ea 1/4" SS Fender Washers - Reshaped to a letter "D" - flat side towards outside of body

4) Fed the 2" SS carriage bolt down through the cockpit floor

5) Slipped the SS flat washer over the carriage bolt

6) Threaded the SS nut up the carriage bolt and slowly tightened it down until the flat washer / nut had crushed the floor and the
"bottom" of the nut was flush with the bottom of the floor

7) Re-installed the wheel well using the new carriage bolt as a guide

8) Slipped the SS fender washer over the carriage bolt

9) Slipped the SS lock washer over the carriage bolt

10) Threaded the SS wing nut over the carriage bolt and tightened it with my fingers

11) Slipped "D" shaped flat washers over 1/4" x 1" SS lag bolts

12) Tightened SS lag bolts

The wheel wells on Double Trouble have traveled like this for the past three years and over 15,000 miles. The wing nut has yet to
come off. Notice that I did buy spares of all the parts! ;-)

I like your idea of the plastic fender washer to spread the load and will incorporate that on Double Trouble.

Regards,
Rob M.
Sydney, Australia

-----Original Message-----
From: Skip Hartline

To make my wells easier to put back in I used the bolt arrangement that has a 1/4 lag on one end and 1/4 20 bolt thread on the
other. Screwed the lag in and had the bolt thread hanging down and made it real simple to line up the top center hole when
reinstalling. Used about a 2" plastic fender washer made from a hole saw plug when I cut a 2" hole in a PVC electrical box. It just
helps spread the load so it doesn't tear out. Don't leave no more bolt than you really need hanging down so you don't get caught on
it.
Skip Hartline

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: Wheel well liner bolts [message #248298 is a reply to message #248284]

Wed, 23 April 2014 17:58

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma: 10

Senior Member

My liners have been out for so many years that I do not know where the bolts are any more. I'll look around my hangar and if I stumble across them I'll get the size for you..

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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