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OK, I've had a couple threads going on different issues w/ my build and tune, and have been corresponding w/ several of you on some of it, so here's where it stands now.
Replaced the V&H Basic slip-ons w/ Samson Rolled Thunder. W/ my set-up, I like the sound better, more of a deep rumble, and pretty pleasant at cruise.
They are flowing better, with my dyno runs in 5th showing more HP/Tq than in 4th, which was not the case before.
The "head chirping" issue is gone. There were a couple of variables here, so I don't know what fixed it, but the mufflers are different and the SE exhaust gaskets have been replaced w/ the green gaskets that come w/ the Rineharts (tech had a whole stack of new ones, as he has trouble getting them to seal w/ Rineharts and doesn't use them, but they work well w/ the V&H Dresser Duals I have).
Now, on to the tune.
AFR is dialed in at 13.5, but we used a different base map (the one for the Dyna w/ 257 cams and hi comp heads/pistons), which has a less aggressive ignition map.
5th gear run was only 80 HP and 95ft/lb Tq, 4th was 77 HP and 91 Tq.
Talked to a gentleman of our acquaintance in Orlando and he said it's timing.
After looking at the difference in the two maps I agree (for whatever that's worth). Spoke with another esteemed member here, and he gave me some good tips that I passed on to the tech on techniques to use when adjusting timing w/ the SERT. He also said to go back to the spark tables we used last time as our baseline, which the tech is going to paste into the current map.
So, I kind of think we are finally at the last step. As is, it hits harder than before down low and pulls as well through the RPMs. If we can get the 5-10 ft/lb of torque we're missing as well as those 10-15 HP that are hiding in there as well, I don't think I'll be able to wipe the grin off my face until next winter.
It's slowed down at the shop where it's at for the winter, so it shouldn't be TOO long until we've got it wrapped up, but it isn't a front-burner kind of thing, so it'll probably be a little while until it's done, but I'll let you guys know how it comes out.
Merry Christmas,
Replaced the V&H Basic slip-ons w/ Samson Rolled Thunder. W/ my set-up, I like the sound better, more of a deep rumble, and pretty pleasant at cruise.
They are flowing better, with my dyno runs in 5th showing more HP/Tq than in 4th, which was not the case before.
The "head chirping" issue is gone. There were a couple of variables here, so I don't know what fixed it, but the mufflers are different and the SE exhaust gaskets have been replaced w/ the green gaskets that come w/ the Rineharts (tech had a whole stack of new ones, as he has trouble getting them to seal w/ Rineharts and doesn't use them, but they work well w/ the V&H Dresser Duals I have).
Now, on to the tune.
AFR is dialed in at 13.5, but we used a different base map (the one for the Dyna w/ 257 cams and hi comp heads/pistons), which has a less aggressive ignition map.
5th gear run was only 80 HP and 95ft/lb Tq, 4th was 77 HP and 91 Tq.
Talked to a gentleman of our acquaintance in Orlando and he said it's timing.
After looking at the difference in the two maps I agree (for whatever that's worth). Spoke with another esteemed member here, and he gave me some good tips that I passed on to the tech on techniques to use when adjusting timing w/ the SERT. He also said to go back to the spark tables we used last time as our baseline, which the tech is going to paste into the current map.
So, I kind of think we are finally at the last step. As is, it hits harder than before down low and pulls as well through the RPMs. If we can get the 5-10 ft/lb of torque we're missing as well as those 10-15 HP that are hiding in there as well, I don't think I'll be able to wipe the grin off my face until next winter.
It's slowed down at the shop where it's at for the winter, so it shouldn't be TOO long until we've got it wrapped up, but it isn't a front-burner kind of thing, so it'll probably be a little while until it's done, but I'll let you guys know how it comes out.
Merry Christmas,
