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Marker piston plate help

post #1 of 5
Thread Starter 

I see a couple of Marker piston plates. One with just the plate and one called world cup which has shims to elevate your toe. At least that's what I think it does. Any reason to choose one over the other?

post #2 of 5

Hi,

 

Here's my experience with them. My kids were both on Marker bindings, and Piston Plates for about a 10 year run, through their NCAA years. Right through last year. Things have changed a bit over the years with stand height rules, but these days, you'll find them in two heights: a 14mm, and a 9mm. 14mm's are pretty much mounted on SL skis, and 9mm on GS, and speed skis. GS skis are generally a bit thinner than the others, hence the thicker PP…..but only 5mm thicker. 

 

The cosmetics have changed over the years, red to white, and one point red with white ridges on the top sheet, etc. The front edge has also changed a but with different colors, and a different material for one section in the toe. A more rubbery layer. My kids were pretty tuned into this, and both being "comp'd" athletes, they always had the latest, and they could not tell the difference in their stuff.

 

One of the BEST features to the Piston Plate and Marker comp series bindings {16.0, 20.0, 30.0} is that the bindings use a shim system….very simple, thin, black plastic shims under the toes and under the heels to adjust ramp angle. Easy to change, dial in, etc. My son used a thing Piston Plate on his SL skis, as he used something like 4 or 5 shims under the toes to create a negative ramp angle on his SL skis. My daughter, I think used two, and the thicker Piston Plate. The shims also enabled getting the skis to absolute maximum stand height. 

 

Keep in mind that I'm talking the FIS rules. I've skied cheater skis, and my daughters leftover GS skis, with a 14mm Piston Plate, and more lift via 3 shims under the heel and 4-5 under the toes.

 

I have seen exactly one pair of skis with a shim under a Piston Plate. A very thin, about 1mm clear soft "pad", mounted on a pair of women's SG skis, which actually were skied on the WC by a skier in the top 30 world rankings. Never seen another. The skis were a great pair, but I don't think anybody attributed it to the pad/shim. 

 

Hope this helps and doesn't further confuse. Full disclosure, I have a pair of pristine 14mm plates for sale on the forum. Pulled them off a pair of dog slow speed skis which are now destined to become part of a bench or table. Shims are quite easy to come by. You just need to make sure that you have enough screw length for the height you seek. Any race oriented shop can help there. 

post #3 of 5
Thread Starter 

If I read you correctly you recommend the plate and possible ramp angle change?

post #4 of 5

It's a very good "system", as it allows you to change ramp angle as you so choose, VERY easily. I can't begin to tell you how to set up your skis, as I don't know a thing about your actual skiing, your skis, your boots and boot set-up, etc. So, I'm not going there. What I can say is that a Piston Plate and the matching comp binding, along with four sets of toe shims, and maybe 2-3 heels shims will let you figure out what works. One issue is the stand height, the other is the binding delta. 

 

You could set up your skis with two shims under the toe, and one under the heel, and then for kicks try them with a third, and see if you prefer it. The more under the toe, the less the angle. Conversely, you could remove one, and see how that goes. You could then try one more under the heel……and eventually find the sweet spot that works for you. As I recall, a two shim difference under the toe flattens the angle. Others can weigh in on that. 

 

I'll put my sales hat on. The PP's on the buy/sell forum are in as like new as they get, and cheap. I wish I could help you with shims, but have none available. Neither of my kids have a need for them these days, skiing on different stuff. 

 

If you go this way, my advice is to ignore any comments about how Marker's pre-release, etc. BUT, make sure that the forward pressure is properly set, and that the bindings are bench tested for accuracy. Marker's all metal race bindings have been real warhorses. My kids probably raced close to 1000 race starts on them….from US Nationals DH to local SL's, and I can't recall a single pre-release or "thrown shoe". Adjusted properly, they work well. The forward pressure must be accurately set. 

 

Good luck. 

post #5 of 5

wise words from MS!.  And that is a smoking deal he is offering on the piston plate.!

 

For the forward pressure setting, turn one or two clicks past flush (one click works on the 20, 2 on the lower Din binders)

 

Set up that way they are pretty bombproof.  I normally use 20s on all my race skis that have the piston plate and have not had issues.  Oh and check the forward pressure regularly.  They sometimes seem to be prone to slackening off for some reason!

 

As to the shims, I use some on the toes but don't usually bother on the heel.  I suppose I could add more to get up to max stand height....

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