I bought a used STB over the weekend for my '89 Formula. What drill bit do I need to install and any other help will be appreciated!

Thanks!

 

I have a Hotchkis 3 point installed in the racecar. It's for a Carbed car, but they all install about the same. All you have to do is put it where you want it,drill the holes, and bolt it down. Just remember to center it using the body as a reference, NOT the motor. The motor isn't centered in the car.

If you want, I can take a pic of mine and post it here for ya

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Redbird
Bayou Motorsports
87 Firebird-Daily Driver/Autocrosser
84 Z28-Full bore Autocross car
Delta Region SCCA
#00 C Prepared

 

Thanks! I would like to see the pic.
I believe a 9/16 drill bit to make the holes?

 

Here's the pic, hope you can see it alright:


As for the drill size, I don't remember what it was Just size it up by fitting it to the holes in the STB

BTW, I installed it first in my T-top Firebird, and felt a difference instantly.

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Redbird
Bayou Motorsports
87 Firebird-Daily Driver/Autocrosser
84 Z28-Full bore Autocross car
Delta Region SCCA
#00 C Prepared