Track bar and grade bolt?
01-23-2004, 04:07 PM
#31
Guest
Posts: n/a
Re: Track bar and grade bolt?
That can't be true though, and any bolt will break if it's too
loose. Bolts specs:
http://www.americanfastener.com/tech...ings_steel.asp
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> I know a few folks that used them in engine mounts and they just shear
> right off. They would then blow them out of the cast with a torch and
> try again and again until finally they went back to regular no grade or
> gr. 5 at the most bolts and the problem stopped.
>
> They are/seem too hard and snap under side impact or shear force.
>
> Same for winch and tow hook mounts.
>
> Mike
loose. Bolts specs:
http://www.americanfastener.com/tech...ings_steel.asp
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> I know a few folks that used them in engine mounts and they just shear
> right off. They would then blow them out of the cast with a torch and
> try again and again until finally they went back to regular no grade or
> gr. 5 at the most bolts and the problem stopped.
>
> They are/seem too hard and snap under side impact or shear force.
>
> Same for winch and tow hook mounts.
>
> Mike
01-23-2004, 04:08 PM
#32
Guest
Posts: n/a
Re: Track bar and grade bolt?
http://www.americanfastener.com/tech...ings_steel.asp
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
twaldron wrote:
>
> I've heard from many different sources that the 8s are stronger but in a
> lateral stress situation, they give out quicker than 5s.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
twaldron wrote:
>
> I've heard from many different sources that the 8s are stronger but in a
> lateral stress situation, they give out quicker than 5s.
01-23-2004, 04:08 PM
#33
Guest
Posts: n/a
Re: Track bar and grade bolt?
http://www.americanfastener.com/tech...ings_steel.asp
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
twaldron wrote:
>
> I've heard from many different sources that the 8s are stronger but in a
> lateral stress situation, they give out quicker than 5s.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
twaldron wrote:
>
> I've heard from many different sources that the 8s are stronger but in a
> lateral stress situation, they give out quicker than 5s.
01-23-2004, 04:08 PM
#34
Guest
Posts: n/a
Re: Track bar and grade bolt?
http://www.americanfastener.com/tech...ings_steel.asp
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
twaldron wrote:
>
> I've heard from many different sources that the 8s are stronger but in a
> lateral stress situation, they give out quicker than 5s.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
twaldron wrote:
>
> I've heard from many different sources that the 8s are stronger but in a
> lateral stress situation, they give out quicker than 5s.
01-23-2004, 04:49 PM
#35
Guest
Posts: n/a
Re: Track bar and grade bolt?
You never know what the local hardware stores are selling. I didn't buy
the things, just saw the results as we are strapping his engine in to
get him home.
I see all the charts....
Mike
Jerry Bransford wrote:
>
> Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> giving perhaps greater warning than a Grade 8 will but it will still
> snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> not deform as much as a Grade 5 will before it snaps.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:40117ECB.CCC8C4CD@sympatico.ca...
> > And then real life steps in and all the math goes out the window....
> >
> > Mike
> >
> > Jim Boucher wrote:
> > >
> > > The shear strength of a fastener is typically about 60% of its ultimate
> tension
> > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> similar Grade
> > > 5.
> > > Do the math. Use Grade 8.
> > > Jim
> > >
> > > 88 Grand Wagoneer
> > > 89 Wrangler
> > > 00 Grand Cherokee
the things, just saw the results as we are strapping his engine in to
get him home.
I see all the charts....
Mike
Jerry Bransford wrote:
>
> Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> giving perhaps greater warning than a Grade 8 will but it will still
> snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> not deform as much as a Grade 5 will before it snaps.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:40117ECB.CCC8C4CD@sympatico.ca...
> > And then real life steps in and all the math goes out the window....
> >
> > Mike
> >
> > Jim Boucher wrote:
> > >
> > > The shear strength of a fastener is typically about 60% of its ultimate
> tension
> > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> similar Grade
> > > 5.
> > > Do the math. Use Grade 8.
> > > Jim
> > >
> > > 88 Grand Wagoneer
> > > 89 Wrangler
> > > 00 Grand Cherokee
01-23-2004, 04:49 PM
#36
Guest
Posts: n/a
Re: Track bar and grade bolt?
You never know what the local hardware stores are selling. I didn't buy
the things, just saw the results as we are strapping his engine in to
get him home.
I see all the charts....
Mike
Jerry Bransford wrote:
>
> Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> giving perhaps greater warning than a Grade 8 will but it will still
> snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> not deform as much as a Grade 5 will before it snaps.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:40117ECB.CCC8C4CD@sympatico.ca...
> > And then real life steps in and all the math goes out the window....
> >
> > Mike
> >
> > Jim Boucher wrote:
> > >
> > > The shear strength of a fastener is typically about 60% of its ultimate
> tension
> > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> similar Grade
> > > 5.
> > > Do the math. Use Grade 8.
> > > Jim
> > >
> > > 88 Grand Wagoneer
> > > 89 Wrangler
> > > 00 Grand Cherokee
the things, just saw the results as we are strapping his engine in to
get him home.
I see all the charts....
Mike
Jerry Bransford wrote:
>
> Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> giving perhaps greater warning than a Grade 8 will but it will still
> snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> not deform as much as a Grade 5 will before it snaps.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:40117ECB.CCC8C4CD@sympatico.ca...
> > And then real life steps in and all the math goes out the window....
> >
> > Mike
> >
> > Jim Boucher wrote:
> > >
> > > The shear strength of a fastener is typically about 60% of its ultimate
> tension
> > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> similar Grade
> > > 5.
> > > Do the math. Use Grade 8.
> > > Jim
> > >
> > > 88 Grand Wagoneer
> > > 89 Wrangler
> > > 00 Grand Cherokee
01-23-2004, 04:49 PM
#37
Guest
Posts: n/a
Re: Track bar and grade bolt?
You never know what the local hardware stores are selling. I didn't buy
the things, just saw the results as we are strapping his engine in to
get him home.
I see all the charts....
Mike
Jerry Bransford wrote:
>
> Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> giving perhaps greater warning than a Grade 8 will but it will still
> snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> not deform as much as a Grade 5 will before it snaps.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:40117ECB.CCC8C4CD@sympatico.ca...
> > And then real life steps in and all the math goes out the window....
> >
> > Mike
> >
> > Jim Boucher wrote:
> > >
> > > The shear strength of a fastener is typically about 60% of its ultimate
> tension
> > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> similar Grade
> > > 5.
> > > Do the math. Use Grade 8.
> > > Jim
> > >
> > > 88 Grand Wagoneer
> > > 89 Wrangler
> > > 00 Grand Cherokee
the things, just saw the results as we are strapping his engine in to
get him home.
I see all the charts....
Mike
Jerry Bransford wrote:
>
> Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> giving perhaps greater warning than a Grade 8 will but it will still
> snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> not deform as much as a Grade 5 will before it snaps.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:40117ECB.CCC8C4CD@sympatico.ca...
> > And then real life steps in and all the math goes out the window....
> >
> > Mike
> >
> > Jim Boucher wrote:
> > >
> > > The shear strength of a fastener is typically about 60% of its ultimate
> tension
> > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> similar Grade
> > > 5.
> > > Do the math. Use Grade 8.
> > > Jim
> > >
> > > 88 Grand Wagoneer
> > > 89 Wrangler
> > > 00 Grand Cherokee
01-23-2004, 05:27 PM
#38
Guest
Posts: n/a
Re: Track bar and grade bolt?
Hi Mike,
There are many fraudulently maded bolts, specially in the high end
like the engine bolt that brought down that DC-10 out of O'Hare in '79.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> You never know what the local hardware stores are selling. I didn't buy
> the things, just saw the results as we are strapping his engine in to
> get him home.
>
> I see all the charts....
>
> Mike
>
> Jerry Bransford wrote:
> >
> > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> > truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> > giving perhaps greater warning than a Grade 8 will but it will still
> > snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> > not deform as much as a Grade 5 will before it snaps.
> >
> > Jerry
> > --
> > Jerry Bransford
> > To email, remove 'me' from my email address
> > N6TAY, PP-ASEL
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> >
> > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > And then real life steps in and all the math goes out the window....
> > >
> > > Mike
> > >
> > > Jim Boucher wrote:
> > > >
> > > > The shear strength of a fastener is typically about 60% of its ultimate
> > tension
> > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > similar Grade
> > > > 5.
> > > > Do the math. Use Grade 8.
> > > > Jim
> > > >
> > > > 88 Grand Wagoneer
> > > > 89 Wrangler
> > > > 00 Grand Cherokee
There are many fraudulently maded bolts, specially in the high end
like the engine bolt that brought down that DC-10 out of O'Hare in '79.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> You never know what the local hardware stores are selling. I didn't buy
> the things, just saw the results as we are strapping his engine in to
> get him home.
>
> I see all the charts....
>
> Mike
>
> Jerry Bransford wrote:
> >
> > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> > truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> > giving perhaps greater warning than a Grade 8 will but it will still
> > snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> > not deform as much as a Grade 5 will before it snaps.
> >
> > Jerry
> > --
> > Jerry Bransford
> > To email, remove 'me' from my email address
> > N6TAY, PP-ASEL
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> >
> > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > And then real life steps in and all the math goes out the window....
> > >
> > > Mike
> > >
> > > Jim Boucher wrote:
> > > >
> > > > The shear strength of a fastener is typically about 60% of its ultimate
> > tension
> > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > similar Grade
> > > > 5.
> > > > Do the math. Use Grade 8.
> > > > Jim
> > > >
> > > > 88 Grand Wagoneer
> > > > 89 Wrangler
> > > > 00 Grand Cherokee
01-23-2004, 05:27 PM
#39
Guest
Posts: n/a
Re: Track bar and grade bolt?
Hi Mike,
There are many fraudulently maded bolts, specially in the high end
like the engine bolt that brought down that DC-10 out of O'Hare in '79.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> You never know what the local hardware stores are selling. I didn't buy
> the things, just saw the results as we are strapping his engine in to
> get him home.
>
> I see all the charts....
>
> Mike
>
> Jerry Bransford wrote:
> >
> > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> > truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> > giving perhaps greater warning than a Grade 8 will but it will still
> > snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> > not deform as much as a Grade 5 will before it snaps.
> >
> > Jerry
> > --
> > Jerry Bransford
> > To email, remove 'me' from my email address
> > N6TAY, PP-ASEL
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> >
> > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > And then real life steps in and all the math goes out the window....
> > >
> > > Mike
> > >
> > > Jim Boucher wrote:
> > > >
> > > > The shear strength of a fastener is typically about 60% of its ultimate
> > tension
> > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > similar Grade
> > > > 5.
> > > > Do the math. Use Grade 8.
> > > > Jim
> > > >
> > > > 88 Grand Wagoneer
> > > > 89 Wrangler
> > > > 00 Grand Cherokee
There are many fraudulently maded bolts, specially in the high end
like the engine bolt that brought down that DC-10 out of O'Hare in '79.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> You never know what the local hardware stores are selling. I didn't buy
> the things, just saw the results as we are strapping his engine in to
> get him home.
>
> I see all the charts....
>
> Mike
>
> Jerry Bransford wrote:
> >
> > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> > truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> > giving perhaps greater warning than a Grade 8 will but it will still
> > snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> > not deform as much as a Grade 5 will before it snaps.
> >
> > Jerry
> > --
> > Jerry Bransford
> > To email, remove 'me' from my email address
> > N6TAY, PP-ASEL
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> >
> > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > And then real life steps in and all the math goes out the window....
> > >
> > > Mike
> > >
> > > Jim Boucher wrote:
> > > >
> > > > The shear strength of a fastener is typically about 60% of its ultimate
> > tension
> > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > similar Grade
> > > > 5.
> > > > Do the math. Use Grade 8.
> > > > Jim
> > > >
> > > > 88 Grand Wagoneer
> > > > 89 Wrangler
> > > > 00 Grand Cherokee
01-23-2004, 05:27 PM
#40
Guest
Posts: n/a
Re: Track bar and grade bolt?
Hi Mike,
There are many fraudulently maded bolts, specially in the high end
like the engine bolt that brought down that DC-10 out of O'Hare in '79.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> You never know what the local hardware stores are selling. I didn't buy
> the things, just saw the results as we are strapping his engine in to
> get him home.
>
> I see all the charts....
>
> Mike
>
> Jerry Bransford wrote:
> >
> > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> > truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> > giving perhaps greater warning than a Grade 8 will but it will still
> > snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> > not deform as much as a Grade 5 will before it snaps.
> >
> > Jerry
> > --
> > Jerry Bransford
> > To email, remove 'me' from my email address
> > N6TAY, PP-ASEL
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> >
> > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > And then real life steps in and all the math goes out the window....
> > >
> > > Mike
> > >
> > > Jim Boucher wrote:
> > > >
> > > > The shear strength of a fastener is typically about 60% of its ultimate
> > tension
> > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > similar Grade
> > > > 5.
> > > > Do the math. Use Grade 8.
> > > > Jim
> > > >
> > > > 88 Grand Wagoneer
> > > > 89 Wrangler
> > > > 00 Grand Cherokee
There are many fraudulently maded bolts, specially in the high end
like the engine bolt that brought down that DC-10 out of O'Hare in '79.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Mike Romain wrote:
>
> You never know what the local hardware stores are selling. I didn't buy
> the things, just saw the results as we are strapping his engine in to
> get him home.
>
> I see all the charts....
>
> Mike
>
> Jerry Bransford wrote:
> >
> > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear strength
> > truly is greater than a Grade 5. A Grade 5 will DEFORM before it breaks
> > giving perhaps greater warning than a Grade 8 will but it will still
> > snap/shear before a Grade 8 will even begin to deform... but a Grade 8 will
> > not deform as much as a Grade 5 will before it snaps.
> >
> > Jerry
> > --
> > Jerry Bransford
> > To email, remove 'me' from my email address
> > N6TAY, PP-ASEL
> > See the Geezer Jeep at
> > http://members.***.net/jerrypb/
> >
> > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > And then real life steps in and all the math goes out the window....
> > >
> > > Mike
> > >
> > > Jim Boucher wrote:
> > > >
> > > > The shear strength of a fastener is typically about 60% of its ultimate
> > tension
> > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > similar Grade
> > > > 5.
> > > > Do the math. Use Grade 8.
> > > > Jim
> > > >
> > > > 88 Grand Wagoneer
> > > > 89 Wrangler
> > > > 00 Grand Cherokee
