Too much compression for me!
Extreme HDF Member
Joined: Apr 2006
Posts: 10,449
Likes: 46
From: Roswell, GA
A suggestion: pull the dipstick and see if you smell gasoline on the dipstick. If you do, you are probably so rich that you are getting gas wash past the rings/cylinders contaminating the oil.
Cruiser
Joined: Aug 2008
Posts: 120
Likes: 0
That's exactly what I was thinking.Get a good tune. May I recommend Joes cycles in NY State. They did mine. I run a 117 HillSide Build, with absolutely no problems.
Road Master
Joined: Mar 2006
Posts: 760
Likes: 4
From: Plano, Texas
There is nothing wrong with your build, except for it's poor tune. I have 53+k miles on my build. I have a 10.5 compression build with HQ heads and cams. I'm getting 40 MPG at 70-75 MPH. I go on 2 week trips every year, for anywhere from 3k to 5k miles. I have no qualms about just taking off and going, this is a very dependable motor. I still expect to get well over 100,000 miles before I have to do a major overhaul on this motor.
Power on demand, dependable..........What more do you want?
Power on demand, dependable..........What more do you want?
Ultimate HDF Member
Joined: Feb 2007
Posts: 7,663
Likes: 7
From: Northeast Ohio
The others are correct, no need to worry about reliability if it was done right. Running a HQ 120" build at 10.5:1 and have been all over the states on it so far this year, 15 k miles so far this year and getting low 40s on average for mileage. Engine does not use but a half quart between oil changes (5k miles) I dont hesitate to hop on and go anywhere.
The tune is the key, get someone to tune that knows what they are doing and you will gain a lot of economy and at the same time increase longevity as you wont be washing the cyl walls down with gas.
The tune is the key, get someone to tune that knows what they are doing and you will gain a lot of economy and at the same time increase longevity as you wont be washing the cyl walls down with gas.
Seasoned HDF Member
Joined: Jan 2005
Posts: 21,949
Likes: 6
From: My house
The others are correct, no need to worry about reliability if it was done right. Running a HQ 120" build at 10.5:1 and have been all over the states on it so far this year, 15 k miles so far this year and getting low 40s on average for mileage. Engine does not use but a half quart between oil changes (5k miles) I dont hesitate to hop on and go anywhere.
The tune is the key, get someone to tune that knows what they are doing and you will gain a lot of economy and at the same time increase longevity as you wont be washing the cyl walls down with gas.
The tune is the key, get someone to tune that knows what they are doing and you will gain a lot of economy and at the same time increase longevity as you wont be washing the cyl walls down with gas.
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Tourer
Joined: May 2005
Posts: 473
Likes: 8
From: Chelsea, AL
I really appreciate all of your input. I plugged into my PCIIIr the other day and loaded a blank map with only some timing retard to help with any pinging from the dealer download. Just to be safe I added a little extra fuel with the cylinder trim to keep from being too lean. A short ride Sat evening and rode it to work last night, and it's not using so much fuel now. I will be getting a tune Thursday and I hope everything works out for the best.
I wish I lived closer to Doc1! If this tuner doesn't get it right, I might have to make the long haul and get it done by the best.
I wish I lived closer to Doc1! If this tuner doesn't get it right, I might have to make the long haul and get it done by the best.
Cruiser
Joined: Aug 2008
Posts: 176
Likes: 0
From: eastcoast
Im running 10:8.1 compression with those same cams (TW55) have 7,000 miles on the build.
Those cams are a similar grind to the SE211 cams ,as stated in the above replies with a good tune and take some timing out those cams work real well.
Those cams are a similar grind to the SE211 cams ,as stated in the above replies with a good tune and take some timing out those cams work real well.
Tourer
Joined: Jul 2007
Posts: 341
Likes: 0
From: Wisconsin
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