Ordered LSR's Today
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RE: Ordered LSR's Today
I ordered the 1 ¾” slash cut B style with heat shields. I was tempted to order the 2”, but from what I read, the 1 ¾” will create better torque down low. I have the D&D FatCat on my bike now and the dyno curve is very steep. I am looking to create more usable power down low and I am willing to sacrifice some torque and power on the top to do so.
I’ve read all the horror stories about their customer service and lead time for the pipes. I can’t ride until April around here anyway, so I thought I would give it a go. I actually spoke to Bob on the phone for quite some time before ordering the pipes. He didn’t make any promises about performance. He was basically a no thrills guy and really believes that he builds the best pipes available for our machines.
Once I eventually get the pipes, I will post the dyno results.
I’ve read all the horror stories about their customer service and lead time for the pipes. I can’t ride until April around here anyway, so I thought I would give it a go. I actually spoke to Bob on the phone for quite some time before ordering the pipes. He didn’t make any promises about performance. He was basically a no thrills guy and really believes that he builds the best pipes available for our machines.
Once I eventually get the pipes, I will post the dyno results.
Road Warrior
Joined: Dec 2006
Posts: 1,530
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From: Diamond Bar, California
RE: Ordered LSR's Today
ORIGINAL: hmmr
sounds good, you mentioned you got large cams on yer ride, what ya runnin?
what all ya got on there anyhoo?
sounds good, you mentioned you got large cams on yer ride, what ya runnin?
what all ya got on there anyhoo?
I just swithed to the Fat cat and I like the low end power curve that I have now.
If you cams are very heavy on overlap and duration no exhaust switch would help.
I had the Rinehart 2 to 1 on last week, its 1 7/8 primarys killed all my low end power.
I just came in from a 12 mile ride with the D&D and I had a lot more usable power on the low and mid range.
I think with a couple of small carb adjustments it will be a great pipe.
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RE: Ordered LSR's Today
I am afraid you are correct mentor…I doubt the exhaust is going to make a huge difference, but I am hoping. I’ll swap out the cams if I have too.
Knight prowler 630 Cams
Ported and Polished
Wiseco Coated Pistons
Hell Fire rings
49mm Hillside Throttle body
Primo Clutch drive system
Injector work
Oddly enough the bike showed a nice dyno curve with the Vance and Hines Straight shots. It made better power with the D&D pipe but lost the low end. I am hoping the LSR pipe is a compromise and ends up somewhere in the middle.
Knight prowler 630 Cams
Ported and Polished
Wiseco Coated Pistons
Hell Fire rings
49mm Hillside Throttle body
Primo Clutch drive system
Injector work
Oddly enough the bike showed a nice dyno curve with the Vance and Hines Straight shots. It made better power with the D&D pipe but lost the low end. I am hoping the LSR pipe is a compromise and ends up somewhere in the middle.
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RE: Ordered LSR's Today
I should mention that I did not build the motor. The work was all ready done when I bought it from a friend of a friend so I don’t have all the details. I am still waiting on the build sheet.
Road Warrior
Joined: Dec 2006
Posts: 1,530
Likes: 0
From: Diamond Bar, California
RE: Ordered LSR's Today
ORIGINAL: tshamba
I am afraid you are correct mentor…I doubt the exhaust is going to make a huge difference, but I am hoping. I’ll swap out the cams if I have too.
Knight prowler 630 Cams
Ported and Polished
Wiseco Coated Pistons
Hell Fire rings
49mm Hillside Throttle body
Primo Clutch drive system
Injector work
Oddly enough the bike showed a nice dyno curve with the Vance and Hines Straight shots. It made better power with the D&D pipe but lost the low end. I am hoping the LSR pipe is a compromise and ends up somewhere in the middle.
I am afraid you are correct mentor…I doubt the exhaust is going to make a huge difference, but I am hoping. I’ll swap out the cams if I have too.
Knight prowler 630 Cams
Ported and Polished
Wiseco Coated Pistons
Hell Fire rings
49mm Hillside Throttle body
Primo Clutch drive system
Injector work
Oddly enough the bike showed a nice dyno curve with the Vance and Hines Straight shots. It made better power with the D&D pipe but lost the low end. I am hoping the LSR pipe is a compromise and ends up somewhere in the middle.
I think if It were me in this situation, I would leave the pipes alone and try to get the Woods T 6 cam or the Head-Quarters .575 cams, they both come on around 2200 to 2500 rpm and just slam you *** in the seat. They are some great all-around ridding cams that have gobbs of usable low and mid range power, and will pull to redline.
R&R has a .525 cam that is kinda new, but I heard its stump puller to. Andrews also has a #54 grind I think, but I have found nothing on the specs on there sight, so Ill call it "mystic" for now.
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