Thanks Randall,
That's good news. I measured the R/H hub (the one that's currently off the
car) using a die, and I got 7/16 - 20, so it looks like I'm in good shape
there. I haven't started working on the L/H suspension yet, so I'll replace
those bolts when I get it torn apart for rebuild in a week or two. Who
knows what size those bolts are...could even be metric for all I know. The
car's history is a mystery!
I'll have a machine shop check the thickness of the rotors tomorrow, and
hopefully they can turn them without removing too much material.
Thanks again for your help,
Steve
TR lesson #1: No matter what they say, there's no such thing as a free car!
================
----- Original Message -----
From: "Randall" <tr3driver@ca.rr.com>
To: "'Steve Ball'" <banjonut@verizon.net>; <triumphs@autox.team.net>
Sent: Thursday, July 10, 2008 11:29 PM
Subject: RE: [TR] Lug bolt thread sizes & brakes
>
>> Trouble is I don't know which thread size is correct, so I
>> don't know which ones to replace. Therefore I'm bugging the
>> list again....does anybody know?
>
> As I recall, they are 7/16-20; right hand threads on both sides.
>
>> Also, does anyone know the minimum thickness for a TR3A brake
>> rotor...how thin can you machine it?
>
> Again from memory, stock thickness is .500", minimum is .440".
>
> But I've seen people run them much thinner and get away with it. The TR3
> rotors are really big compared to the weight of the car, so they don't
> work
> as hard as other brakes do. (The heavier TR6 actually had smaller rotors
> than the TR3.)
>
> Randall
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