Rear Suspension Bolt Grades

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Mar 25, 2004 | 08:01 PM

96LT4Z28_03Z06

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Rear Suspension Bolt Grades

I have recently removed and redone the complete rear suspension on my 69 vette, and i want to replac all the bolts. Does anyone know what grade the spring bolts and all are?

Mar 25, 2004 | 08:04 PM

GDaina

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From: In Dreams There Is Truth Ohio

Re: Rear Suspension Bolt Grades (96LT4Z28_03Z06)

Don't mess around, use grade 8 bolts

Mar 25, 2004 | 08:52 PM

motown 71

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From: St. Clair Shores Michigan

Re: Rear Suspension Bolt Grades (GDaina)

:iagree:
Grade 8 for sure !!

Mar 25, 2004 | 09:02 PM

turtlevette

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St. Jude Donor '03,'11

Re: Rear Suspension Bolt Grades (96LT4Z28_03Z06)

i snapped off a 1/2" grade 5 bolt a few weeks ago.

went with the 5/8" bolt this time.

Mar 25, 2004 | 09:55 PM

NHvette

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From: I can walk to MA

Re: Rear Suspension Bolt Grades (turtlevette)

:iagree: Always 8. :yesnod:

:seeya

Mar 25, 2004 | 11:15 PM

LiveandLetDrive

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From: Boulder Creek California

Re: Rear Suspension Bolt Grades (NHvette)

What about higher grade and aerospace quality fasteners? Where would these go to good use, and where would they be a waste?

-Chris

Mar 25, 2004 | 11:24 PM

GDaina

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From: In Dreams There Is Truth Ohio

Re: Rear Suspension Bolt Grades (RUXperienced)

Quote:

What about higher grade and aerospace quality fasteners? Where would these go to good use, and where would they be a waste?-Chris

Grade 8 has sufficient tensile strength for automotive use...Aaerospace fastners in automotive applications....overkill.

Mar 25, 2004 | 11:50 PM

LiveandLetDrive

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From: Boulder Creek California

Re: Rear Suspension Bolt Grades (GDaina)

I've heard of grade 8 spring bolts breaking, surely in some racing applications they are not overkill? I'm in the planning stages of putting 600HP to the ground, so it may be more relevent to me than anyone restoring to near-stock. ;)

-Chris