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post #1 of 3 (permalink) Old 09-06-2016, 08:52 AM Thread Starter
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Installed Duals, Engine vibration Below 2000 RPM

Guys,

I just took off my stock header with cat and installed a set of V-Twin Mfg true duals on my 2013 RGU, engine is stock. I previously installed an Arlen Ness Big Sucker Stage 1 a/c and Twin Slash Oval (16767) slip ons. I'm using a V&H LCD Fuelpak 61019. I initially programmed in map FP-4356 since I thought I had the quiet baffle installed. Well, the engine vibration was bad at idle and worse around 1500 RPM, especially while decelerating. So I switched to map FP-4350 for standard baffle Twin Slash Ovals w/ duals; much better, but the low speed vibration is still higher than it should be (runs fine above 2000 rpm and cruising). What changes to the mapping should fix this problem? Not ready to fork over $$$ for an FP3 or other tuner/dump yet...

Thanks!


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post #2 of 3 (permalink) Old 09-11-2016, 11:18 AM Thread Starter
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Well, I bit the bullet and installed an FP3. Using the Twin Slash Ovals with standard baffle and dresser duals map, pretty close with just some hot low speed maneuver and hot idle vibes, hopefully an auto tune session can fix that...


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post #3 of 3 (permalink) Old 09-11-2016, 11:55 PM Thread Starter
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Found the FP3 at Eastern Performance eBay site for $279.95 https://www.ebay.com/itm/121883209945


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