install stage iv
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Stage II
Joined: Dec 2018
Posts: 2
Likes: 0
From: ct
install stage iv
have a 2015 cvo street with vance and hines true duals with hi output mufflers, se super tuner. dyno at 88.85 hp and 108.57 torque. if I go to a stage iv will I get around 110 hp and 115 torque? Is it worth the cost?
Grand HDF Member
Joined: Dec 2012
Posts: 3,782
Likes: 1,201
From: river
if a bike isn’t pushing at least 1hp per cubic inch then it’s mut imo. I’d steer clear of the “screamin chicken STAGES”
HDF Community Team
Joined: Jun 2006
Posts: 12,763
Likes: 2,596
From: san antonio
The MoCo claims the CVO 110" motor delivers 115TQ in stock trim. Sounds like you went backwards with your Stage I upgrade and tune.
was the tune done by the dealer? Is the dealer pushing the Stage IV kit?
110/115 numbers are easily achieved with headwork, cams and proper dyno tune (not a dealer tune). Two forum sponsors can inform you on how to get the numbers you want. Talk to Scott/Hillside Cycles and Kirby/VeeTwin Performance; chat them up and work with one of them to get what you want. We are basically talking about a top end rebuild which you can DIY or find a local independent shop that works primarily on Harleys and has a good track record.
was the tune done by the dealer? Is the dealer pushing the Stage IV kit? 110/115 numbers are easily achieved with headwork, cams and proper dyno tune (not a dealer tune). Two forum sponsors can inform you on how to get the numbers you want. Talk to Scott/Hillside Cycles and Kirby/VeeTwin Performance; chat them up and work with one of them to get what you want. We are basically talking about a top end rebuild which you can DIY or find a local independent shop that works primarily on Harleys and has a good track record.
Outstanding HDF Member
Joined: May 2014
Posts: 2,400
Likes: 284
From: Fort Worth, TX
Here is a cam only 110" we had to fix, the engine lost a lifter and took out the cam chest. While going back together we threw in a Red Shift 587 cam along with the S&S pump/plate, lifters, pushrods and whatnot. The bike had the stock 110" intake and a Fat Cat exhaust....I post this for reference. Last but not least, many thanks to Steve at GMR for the great tuning on this for us!!!
Road Captain
Joined: May 2014
Posts: 610
Likes: 62
From: White Bear Lake, MN
How much are you expecting to have to pay? Hard to assess the question as-is...
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Road Master
Joined: Dec 2010
Posts: 1,010
Likes: 101
From: Parrish, Florida
I'd give both Hillside Motorcycle & Machine in Munnsville NY and Hulten Speed Sports in St Johnsville NY a call since both a reasonably close to CT and for $4k they could build you a great motor that will out perform the MOCO kits by a long shot.