[Mgs] Speed Bleeders

Fri May 22 12:44:40 MDT 2020

In fear of my comment,,, a good set of mechanic wrenches, metric, has all the sizes in 1mm increments. The set you buy from say HF or even Sears Cobalt  does not.

paul o

On May 22, 2020, at 1:45 PM, Max Heim via Mgs <mgs at autox.team.net<mailto:mgs at autox.team.net>> wrote:

What Barney said. I was recently extremely irritated to find that the only rear wheel brake cylinders I could buy for my 1967 Plymouth had 7mm hexes on the bleeders. Who even has a 7mm wrench? And when I bought a cheap set of small metric wrenches just for this purpose, the fit was so bad it rounded off the equally cheap hex.

I tapped out the holes and installed SAE (I think 5/16) bleed screws.

Sent from my iPad

On May 22, 2020, at 10:04 AM, Barney Gaylord via Mgs <mgs at autox.team.net<mailto:mgs at autox.team.net>> wrote:

 Actually it's the other way around.  When these things are manufactured overseas, metric hex stock is common while imperial dimension stock is near impossible to source.  Result is that replacement parts are often delivered with metric dimensions, so we are now forced to be adding metric tools to our traveling tool kits.

At 12:31 PM 5/22/2020, Robert's New iPad via Mgs wrote:
   Perhaps there is, or one can be extrapolated from their listing for different cars, in which they say that all metric-thread SBs are SAE wrench size, because metric stock is more expensive.
   To continue research, we must go to McMaster-Carr and see if their hex stock costs more in the larger sizes, and how much.

On May 22, 2020, at 11:11 AM, Dan DiBiase <dan.dibiase at gmail.com<mailto:dan.dibiase at gmail.com>> wrote:

Is there a technical or logical reason they are all different?

Dan D
'76B, '65B
Central NJ USA
http://dandibiase.cbintouch.com/<https://urldefense.proofpoint.com/v2/url?u=http-3A__dandibiase.cbintouch.com_&d=DwMFaQ&c=kbmfwr1Yojg42sGEpaQh5ofMHBeTl9EI2eaqQZhHbOU&r=j_uK0-rtrtcKZ8O0aGq-Y5ZUDfHjCD_Cv57WMn_czag&m=q6YOtU66q6qQ1d98esey9V_1vNJZ4Gc6yqtQ59TyWNo&s=cBOxWfyPtb1Wp5KBuc5VnuJ7M3COYsV27kR3IDmUptg&e=>

On Fri, May 22, 2020 at 10:42 AM Osborne, Paul via Mgs <mgs at autox.team.net<mailto:mgs at autox.team.net>> wrote:

It would have good if when they made them if all the same wrench size. It is a PIA, 3 diff. sizes.
met 3 cents.
paul o

On May 21, 2020, at 4:11 PM, Robert's New iPad via Mgs <mgs at autox.team.net<mailto:mgs at autox.team.net>> wrote:
  One kind lister recommended Speed Bleeders a couple of weeks ago, and I bought them for my MGB, SB 3824 for front brakes, SB 1428 for rear, and SB 71620 for the clutch.  It was time to change the hydraulic fluid, so seemed opportune to install these.
  Thanks for the recommendation.  They made the job quick and neat.
  Instructions are OK, but let me add that one should try to pinch the brake lines with ViceGrips to minimise loss of fluid, and pinch the clutch line even if you don’t do the others.   All three SBs were of different wrench size from original bleed screws.  Have wrenches ready for both sizes.
  We had two cars to do, hence had two people. What the observer learned, watching from underneath, was that three pumps for each wheel will bring clear, clean fluid to both front and rear brakes.
 $38 well spent.
Bob
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Paul Osborne
Department of Electrical and Computer Eng
University of Rochester
201 Hopeman Building RC
Rochester NY 14627
   585-275-5226

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