Forums - CorvetteForum.guru

Re: DRM Trailing arm bracket install Banski Trailing arm install

Subject: Re: DRM Trailing arm bracket install Banski Trailing arm install
by BillH on 2009/9/22 22:35:31

Quote:

astock165 wrote:
Quote:

BillH wrote:
This is why we use aircraft (AN) bolts on any stressed application on the racecars. Their lengths and washers ae designed to eliminate any shear on the threads.

Unfortunately from the fastener vendors we looked at it was going to add some cost as well. I was really shooting to keep this as affordable as possible.

Since the Grade 8 hardware was so comparable to the stock class 10.9, and they both had threads in shear, I was confident in the substitution.

Well Tom, I've always thought the AN bolts were fairly reasonable, at least where I get them from, not that much different from a Gr8 at HomeD. But I've never done an exact comparison.

In the open wheel crowd, no one will use a Gr8. I've seen cars for sale that the seller stated all the bolts were changed to Gr8 and no one would buy the car without a price reduction so they could change out all the bolts.
They are generally smaller bolts though.
I've also seen Gr8s on suspensions fail when I've done the post crash inspections.

Corvettes are kinda "over bolted" size wise anyway, so there shouldn't be a problem with 8s.

TH2004R