07 Mastiff 117 Dyno
- Thread starter loujr
- Start date
General consensus seems to be with the motor work performed that we came up a little short of expectations. I felt the same way,.......just didn't get the hold on feel it in the seat of my pants thrill I thought I would after spending a considerable amount of money. I just ordered a new set of the Big City Thunder baffels to see what we pick up with those installed. Do the jets currently installed, (33 & 76) sound correct? Total timing at 28 degrees? 
Thumper169
Well-Known Member
This is very true, :2thumbs:
TCALZ06
Well-Known Member
Have you done anything else with this?
I would put in 33/78 jets and take out your baffles for a run then take off your air cleaner for a second run
I would have thought after that work you could still hit 110hp even without a 2 into 1 pipe.
I would hope something else is wrong
Did you happen to have the bike on the dyno before the work was done?
I would put in 33/78 jets and take out your baffles for a run then take off your air cleaner for a second run
I would have thought after that work you could still hit 110hp even without a 2 into 1 pipe.
I would hope something else is wrong
Did you happen to have the bike on the dyno before the work was done?
I haven't done anything else at this point,....I did recieve the new Big City Thunder baffels,..........just haven't had the chance to install them yet. I will get them installed and try a few more pulls on the Dyno with the changes recommended here. I mean looking at other peoples numbers for bikes with less work done and even smaller cubic inch motors,........I kinda feel real disappointed???
Well the latest is, I had the old baffels removed and installed the Big City Thunder baffels, also changed the jetting in the carb. Little larger main jet. The new numbers came back at this:
Horsepower 119
Max Torque 126
Had to pick the bike up with a trailer as it was threatening rain today,.......but can't wait to see how much of a difference this made!!!
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The RB Racing pipe is the best. My friend works for them and I recently tested the prototype for their improved 2-1 Black Hole Spyder. The original prototype is now permanently on my Road Glide (black powder coated). These guys know their shit and make the best pipe on the market. They don't worry as much about dyno sheets as they do about performance. I've been talking with them about putting their pipes on my Mastiff but I need to come up with some $$$ first.
TCALZ06
Well-Known Member
WOW nice jump. You should put a RB racing pipe on that now.Well the latest is, I had the old baffels removed and installed the Big City Thunder baffels, also changed the jetting in the carb. Little larger main jet. The new numbers came back at this:
Horsepower 119
Max Torque 126
Had to pick the bike up with a trailer as it was threatening rain today,.......but can't wait to see how much of a difference this made!!!
I think John Sachs said somewhere on here one of his customers took off the V&H and picked up quite a bit