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Discussion Starter · #1 ·
Can someone tell me what this is (JSD-1M), what it does, and where to get them? I can't find an original post on it, just all the posts about getting it and getting the right one?
 

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It eliminates the timing retard in the first 4 gears :doorag:
 

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Discussion Starter · #4 ·
call me stupid....I see that the prefered model is the JSD-3M. What is the difference between the 1,2, and 3? What benefits does the 3 have over the 1. I went to the site but it was largely uninformative.
 

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1= Idles 200-200 rpm higher than stock
2 = Idles 200 to 300 rpm higher and has a switch to turn it on or off
3 = Retains stock idle.
There are so many posts on this mod out there now.
 
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