Brake Caliper Slide Pins, why does one of
#12
I'm guessing the loaded pin gets hotter and expands more than the trailing pin, and the slots are to help keep the pin from seizing in it's bore.
#13
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#14
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*Leading edge is on top for rear calipers and bottom for front calipers (S2000).
#16
#17
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Well, not 'when it's all fitted' together... The M10 bolt keeps enough clamping pressure against the flange on said pin to keep it from rotating.
The grooved pin has the same OD as the solid pin and you can put either in either hole. (that's what she said...)
Read on page 10. Bosch used to use grooved pins in both locations until 2002 in this HD sliding caliper. Then they switched to using one solid pin and one pin with a rubber bushing. Ditching the grooved pins entirely.
http://www.bosch-mobility-solutions....ide_Manual.pdf
And on the other hand, BMW guys run this and get better brake pedal feel as compared to their (worn?) stock rubber bushings. It is effectively running a solid pin in both locations.
:: ECS Tuning :: Introducing the ECS Performance Caliper Guide Bushings
So, who's going to be brave enough to run solid pins in both locations in an S2000?
The grooved pin has the same OD as the solid pin and you can put either in either hole. (that's what she said...)
Read on page 10. Bosch used to use grooved pins in both locations until 2002 in this HD sliding caliper. Then they switched to using one solid pin and one pin with a rubber bushing. Ditching the grooved pins entirely.
http://www.bosch-mobility-solutions....ide_Manual.pdf
And on the other hand, BMW guys run this and get better brake pedal feel as compared to their (worn?) stock rubber bushings. It is effectively running a solid pin in both locations.
:: ECS Tuning :: Introducing the ECS Performance Caliper Guide Bushings
So, who's going to be brave enough to run solid pins in both locations in an S2000?
Last edited by shind3; 11-04-2016 at 07:50 PM.
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