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V7 Big Bore Map (Read 644 times)
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V7 Big Bore Map
06/30/16 at 09:07:09
 
I made a map for my 2009 V7 with an Italian R.A.M. big bore piston and cylinder, bringing the engine to 820cc.

Previously, I had knocking under acceleration right at 4k rpm.  This existed even with the stock pistons, and the big bore pistons worsened it.  Attached is a picture of the original head showing the knocking damage.

Kudos to MyECU, for allowing me to adjust fueling and spark to correct the situation!  Also attached is the map I made.  It has spark retarded approx 9 points to prevent knocking (lesser amounts still had knocking), and injector duration is increased by 8% to account for the big bore cylinder.

I'm open to ideas, since I'm just beginning. 
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Re: V7 Big Bore Map
Reply #1 - 07/02/16 at 07:39:30
 
Your map doesn't load for me. Would you try uploading again.
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