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Old 07-17-2007, 11:11 AM   #1
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Default Tyre truers: Carbide cutter or sawtooth?

The title says it all... some time ago my Atlas tyre truer died and changed them for a Hudy unit, now the sawtooth bit that came with it has worn and I'm looking for a replacement.

My question is: Who prefeers the sawtooth and who prefeers the carbide bit and the most important... why? Let's hear your opinions.
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Old 07-17-2007, 11:22 AM   #2
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I have used both and I perfer the Hudy carbide cutter. The surface I got after cutting was pretty wavy/wrinkly. It would take a couple laps to "break in" the tire. The cut was made on a Integy truer that I was able to use from a fellow racer. When I bought my Hudy truer, it came with the carbide cutter. It gave a much better finish, pretty much the same finish as the tire came out of the box. There is still a "break in" period with the tires but not as long as the hacksaw blade cutter. I experienced this first hand at the Byron race. Fresh tires and the car handled like crap, after a lap or two, the car was hooked up. Im pretty sure this was due to freshly cut tires and not due to tire diameter wear (MTX4). Ive also seen some guys take the sandpaper/sanding stick they use to round the tire edges run it across the tire to "break it in".
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Old 07-17-2007, 11:29 AM   #3
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Carbide gives a much smoother cut. Worth the extra money especially if you all ready bought the Hudy truer.
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Old 07-17-2007, 07:19 PM   #4
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I found that the sawtooth bit didn't last very long, over time the cut just got worse and worse. After switching to the carbide, I noticed a smoother cut, and much less tire smoke. it did start to wear out after 2 years, so I switched the bit around in it's holder, and just as a knife's blade curls over to one side, the same thing seemed to happen to the bit. after flipping it round, it cuts like new, and hopefully will last until my clumsy self drops the truer and shatters the plastic cover
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Old 07-17-2007, 07:46 PM   #5
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Default cutter

Hudy use to make a diamond cutter bit for a tire truer if you cn find one (good luck) it is the best i have one that i bought from a retiring racer and it is so much better than tha carbide tip, i can take off 4mm a pass with a smooth cut.
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Old 07-17-2007, 07:48 PM   #6
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Default carbide cutter

anyone know a good spot to buy one online or ebay sellers?
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Old 07-18-2007, 04:55 PM   #7
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If you are going to use the saw blade you must pick up a good one get a makita, bosh, porter cable. They will do a better job and last much much longer. Like stated I also prefer the Hudy bit but I still keep the Bosch blade in my tools just in case something went wrong with my hudy bit....
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Old 07-18-2007, 06:21 PM   #8
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anyone have any pics of these blades?
I don't use a truer yet and am having a hard time vizualizing what everyone is talking about.
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Old 07-18-2007, 06:49 PM   #9
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Quote:
Originally Posted by regg151 View Post
anyone have any pics of these blades?
I don't use a truer yet and am having a hard time vizualizing what everyone is talking about.
Regg they are jigsaw blades...
http://www.westerntool.com/content/w...S/BOS_T500.jpg
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Old 07-18-2007, 07:28 PM   #10
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ahh ok here I was thinking they were some sort of specialized blades I have a bunch of them laying around the shop.
now all I need is a truer to go with them
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Old 07-20-2007, 09:07 AM   #11
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Guys, when you get the saw blades, you can have them with diferent "Tooth per inch" This is the separation between the tooth. the more separated "18T per inch" (for wood or Alumiminum) your cut will have more grooves and with a "24T per inch" (Steel or hard Steel) you can get a smoother surface.
Remember to cut the tires slow!!
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Old 07-20-2007, 11:55 AM   #12
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I normally go with the 24 tpi Bosch
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Old 07-20-2007, 02:27 PM   #13
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i like saw blades
had a hudy one and sold it
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Old 07-20-2007, 05:00 PM   #14
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When I bought my 3Racing Tire Truer, it came with the saw blade bit. In fact it had 2 pieces of hacksaw blade (approx 3/4th inch long) sandwiched together! The blades looked like 18-tooth and the points were staggered.

Actually cut very well with little or no smoke, and was able to cut several mm at a single pass. The cut surface was very smooth. I've since gone to the Hudy carbide; I know that it'll stay sharp a lot longer!

Only problem I had with the Hudy was the depth of the cutter was less so the calibration mark was off by +5mm. A little cut mark with a dremel and a dab of white paint and I was good to go!
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Old 07-20-2007, 05:03 PM   #15
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One thing to note with saw blades is the direction of the teeth. They should point in the direction of the first pass.
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