Re: [Chrysler300] front drum for 60 chrys.300F

[Gary W Nelson <Gary@xxxx>]

Warning. Do not take your classic drums to a parts house to have them 
turned. Napa is a parts house and not brake specialists. I would not drive 
by a parts house w/ my drums let alone have them turn them. No offense Tom 
P. you did not know the guy behind the drum lath likely had 10 min. 
training, ( No offense to good mechanics). I would only consider a break 
specialist, maybe a commercial house. The first thing you want to ask if 
they will measure them w/ you present and how much they estimate they will 
need to turn to clean up. The rule of thumb is .060" over max. That's what 
happened to Tom P. Drum to thin and heat up quickly and bingo you have 
brake fade. I would also ask to wait for the drums to see how much is 
required to clean up. If you are close to the .060" over then I would not 
hesitate to leave a little signs of scoring. Example if you had riveted 
linings and had a score all the way around I would not be concerned to turn 
it all out just to see a perfect surface. That's my opinion, talk to your 
mechanic. Another problem to be concerned with is when a drum is turned out 
of concentricity or wobble. In both cases your pedal will pump as you apply 
brakes. Ask the shop how close they guarantee they can hold those 
tolerances, (they may chase you out of the shop?). My manual for my C calls 
out .005" That's two hairs, (from your head).
I am fortunate to turn my own drums. I press out the bearing races so my 
fixture is secured to the race seats the truest surface Chrysler could 
provide. I then indicate in for concentricity and wobble. After turning 
front or back sets to within .005" of each other I then mount on spindle or 
axle and indicate again,(backing plates off). All of mine are within the 
factory spec of .005".

Good luck turning.

Gary

At 01:49 AM 07/15/2003 +0000, thomas powers wrote:

>Hello.
> Would anyone have a good used brake drum front drivers side that is not
>turned to much for a 60 300F.Napa turned mine and took to much off of the
>drum and now the car doesnt stop good you put the brake to the floor and it
>keeps going thank you tom.
>
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