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Basically , everything made in the last 20 years will run fine on code 75.

If you get the problem Ozzie21 mentions - it would be just the same on code100 and the remedy is the same - check the back to back.

You should not have to rewheel anything for Peco code75. This seems to be one of the great unfounded myths . There is no difference in the flangeway clearance between current code 100 and current code 75

alaisterq
QUOTE so,have peco (and others?) gradually tightened up their scantlings? (sorry, navy term......forget....senile dementia sets in....erm....)....have they improved their check rail standards over the years?

Because if so, this might be a reason for some points creating probs, (and newer stuff not??)

Yes they have. In the early 90s I think. But they never told anyone. Nor did they say what the old and new values were..... (1.55mm and 1.39mm if you really want to know)
 
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