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107" Big Bore Kit and Dyno Testing by Fuel Moto
#2171
06-17-2016, 04:22 PM
So, my uncle just upgraded to a 16 CVO road glide ultra. Now instead of going CVO, I'm thinking about this 107" kit for my 14 SGS or possibly just heads being ported and 777 cams. those with the 107" kit how is the reliability? no over heat issues? I live in AZ so even an early morning ride in the summer gets toasty. how about long haul say phx to vegas. how about MPG's? I know its going down but how much? a ride to vegas we stop once will a 107 chew the fuel on a ride like that? just looking for real world answers thanks
The FM107 in my Ultra has a TW-555 cam with no head work. It makes 106 HP and 121 TQ. It the best money I've spent on my bike to date.
Last edited by equandt; 06-17-2016 at 04:25 PM.
#2172
06-18-2016, 11:48 AM
those with the 107" kit how is the reliability? no over heat issues? I live in AZ so even an early morning ride in the summer gets toasty. how about long haul say phx to vegas. how about MPG's? I know its going down but how much? a ride to vegas we stop once will a 107 chew the fuel on a ride like that?
#2173
06-19-2016, 09:41 PM
Stellar HDF Member
You should have oil pressure within 10 seconds. As pittz5 noted pull the plugs or ECM fuse and turn the motor over a bit and see if it builds pressure, if it does not you'll need to open up the cam chest and check the oil pump oring and make sure the pump is assembled correctly. If you need any help just give us a call
Kris
#2177
06-22-2016, 09:21 AM
We generally set the idle at the 1000 RPM mark.
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Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
#2179
06-27-2016, 05:20 PM
Extreme HDF Member
Finally got an opportunity to take the bike and have it dynoed over the weekend. I did quite a bit of research over the last couple months on tuners in my area since installing the 107 kit and ended up choosing one that's about 200 miles away. He came highly recommended and after doing a little homework and talking to the guy I was very impressed. With 20yrs of engine building and racing along with all the tools and top of the line machinery to do anything needed in house, I'm thinking yep, this is my guy.
I've looked at enough dyno sheets and talked with enough people with very similar builds as mine from all parts of the country to have a good general idea of what the results of this build should give me. My build consists of-FM 107 cylinders, Wood 777 cams, FM 10.25:1 Carillo pistons, stock heads, S&S A/C, Aim VPC95, 30T pulley, and V&H ProPipe. Needless to say my dyno tune failed to meet every benchmark that I felt it should hit. Final numbers were 100hp and 108tq. And worst of all the bike throws a tremendous amount of heat, lugs a bit on take off, still has an occasional ping, and I'm averaging 34mpg. The fuel mileage is probably the biggest disappointment.
After talking with my tuner today he feels that the tune is spot on and feels that any changes to address certain problem areas that I'm describing would only make the other issues worse. According to him it boils down to inefficient head design and the only way to correct the issues I'm having is with headwork and compression. Guys I'm at a loss here. I know there's tons of guys running these combos with stock heads. Surely this can't be right. My fuel mileage with the FM base map was about the same as it is now but the bike seemed to run way cooler than it does now. Any ideas???
I've looked at enough dyno sheets and talked with enough people with very similar builds as mine from all parts of the country to have a good general idea of what the results of this build should give me. My build consists of-FM 107 cylinders, Wood 777 cams, FM 10.25:1 Carillo pistons, stock heads, S&S A/C, Aim VPC95, 30T pulley, and V&H ProPipe. Needless to say my dyno tune failed to meet every benchmark that I felt it should hit. Final numbers were 100hp and 108tq. And worst of all the bike throws a tremendous amount of heat, lugs a bit on take off, still has an occasional ping, and I'm averaging 34mpg. The fuel mileage is probably the biggest disappointment.
After talking with my tuner today he feels that the tune is spot on and feels that any changes to address certain problem areas that I'm describing would only make the other issues worse. According to him it boils down to inefficient head design and the only way to correct the issues I'm having is with headwork and compression. Guys I'm at a loss here. I know there's tons of guys running these combos with stock heads. Surely this can't be right. My fuel mileage with the FM base map was about the same as it is now but the bike seemed to run way cooler than it does now. Any ideas???
Last edited by SBates08; 06-27-2016 at 05:32 PM.
#2180
06-27-2016, 05:26 PM
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Finally got an opportunity to take the bike and have it dynoed over the weekend. I did quite a bit of research over the last couple months on tuners in my area since installing the 107 kit and ended up choosing one that's about 200 miles away. He came highly recommended and after doing a little homework and talking to the guy I was very impressed. With 20yrs of engine building and racing along with all the tools and top of the line machinery to do anything needed in house, I'm thinking yep, this is my guy.
I've looked at enough dyno sheets and talked with enough people with very similar builds as mine from all parts of the country to have a good general idea of what the results of this build should give me. My build consists of-FM 107 cylinders, Wood 777 cams, FM 10.25:1 Carillo pistons, stock heads, Aim VPC95, 30T pulley, and V&H ProPipe. Needless to say my dyno tune failed to meet every benchmark that I felt it should hit. Final numbers were 100hp and 108tq. And worst of all the bike throws a tremendous amount of heat, lugs a bit on take off, still has an occasional ping, and I'm averaging 34mpg. The fuel mileage is probably the biggest disappointment.
After talking with my tuner today he feels that the tune is spot on and feels that any changes to address certain problem areas that I'm describing would only make the other issues worse. According to him it boils down to inefficient head design and the only way to correct the issues I'm having is with headwork and compression. Guys I'm at a loss here. I know there's tons of guys running these combos with stock heads. Surely this can't be right. My fuel mileage with the FM base map was about the same as it is now but the bike seemed to run way cooler than it does now. Any ideas???
I've looked at enough dyno sheets and talked with enough people with very similar builds as mine from all parts of the country to have a good general idea of what the results of this build should give me. My build consists of-FM 107 cylinders, Wood 777 cams, FM 10.25:1 Carillo pistons, stock heads, Aim VPC95, 30T pulley, and V&H ProPipe. Needless to say my dyno tune failed to meet every benchmark that I felt it should hit. Final numbers were 100hp and 108tq. And worst of all the bike throws a tremendous amount of heat, lugs a bit on take off, still has an occasional ping, and I'm averaging 34mpg. The fuel mileage is probably the biggest disappointment.
After talking with my tuner today he feels that the tune is spot on and feels that any changes to address certain problem areas that I'm describing would only make the other issues worse. According to him it boils down to inefficient head design and the only way to correct the issues I'm having is with headwork and compression. Guys I'm at a loss here. I know there's tons of guys running these combos with stock heads. Surely this can't be right. My fuel mileage with the FM base map was about the same as it is now but the bike seemed to run way cooler than it does now. Any ideas???