Questions on running True Duals and CFR's on 107 build.
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Tourer
Joined: Oct 2014
Posts: 404
Likes: 21
From: PA
Questions on running True Duals and CFR's on 107 build.
Putting together a 107 build, 10:5-1, woods 777, Stage 2 heads and 50mm SE throttle body. I have new ceramic coated true duals and CFR's on the bike. Wandering how soft it is gonna be on the bottom end with the true duals and CFR's? Don't really want to lose the duals and CFR's. I do have my gearing bumped up to 30/68 sprockets, not sure how much that will help.
Club Member
Joined: Jun 2007
Posts: 45,429
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From: Bedford UK
I have an Evo 107" and changed from TDs to a 2-into-1, which gives up to 15% more low/mid range torque and as a bonus runs much more smoothly. So on a sample of one bike your TDs are likely to leave some torque on the floor, although headline numbers may look good. My peak numbers for both systems were very similar, but the change in riding quality is very different.
Tourer
Joined: May 2013
Posts: 483
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From: Wisconsin
i would run it as is then, here's my brothers chart with similar/same head pipes and bassani slipons with baffles shortened to 7"s
it runs strong
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