Post your Dyno results here.
Cruiser
Joined: Apr 2010
Posts: 146
Likes: 18
From: south western New Hampshire
SE 551 cam, Heads by Wes brown (Cycle Rama), 1.725 ratio intake rockers, Throttle body massaged, Supertrapp 2-1 exhaust.
Last edited by EL in NH; Oct 21, 2017 at 02:50 PM. Reason: info added
Road Warrior
Joined: Feb 2014
Posts: 1,851
Likes: 420
From: Santa Fe NM
Nice! Looks pretty decent. Was hoping to see a flatter torque curve outta that pipe. I am curious to see what the TTI's do to it.
Last edited by Bowhunter8607; Nov 27, 2017 at 08:20 PM.
Road Warrior
Joined: Feb 2014
Posts: 1,851
Likes: 420
From: Santa Fe NM
Last edited by Bowhunter8607; Nov 27, 2017 at 08:45 PM.
Cruiser
Joined: Oct 2017
Posts: 195
Likes: 55
From: Apex, NC
I was hoping for flatter at 2.5k up. Not sure how to solve that at this point without throwing a lot of money at it. Ridability is good, and it's smoother than with the borrowed map, with a little burble on decel. I tried getting at the internals on the muffler on Saturday, but couldn't get the end cap to budge. I'll work on that some more and see what we can do about trying a DK Custom product in there.
Tourer
Joined: Apr 2016
Posts: 370
Likes: 69
From: Laredo, TX
Thank you very much. I am running Bassani Road Rage Mega Power Exhaust. Bassani part number 1X22RB
Revzilla part number 898387
Revzilla part number 898387
Cruiser
Joined: Oct 2017
Posts: 195
Likes: 55
From: Apex, NC
looking back through other's results, it appears that a longer distance from exhaust port to collector results in higher torque in the 2.5krpm -3.5krpm range. See: D&D Bobcat, Bassani RR Mega
I'm wondering if I could fake a longer collector distance by making some sort of laminar flow insert in the existing collector to effectively separate the headers a few more inches.
I'm wondering if I could fake a longer collector distance by making some sort of laminar flow insert in the existing collector to effectively separate the headers a few more inches.
Last edited by ApexRider; Nov 27, 2017 at 10:27 PM.
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Grand HDF Member
Joined: Dec 2012
Posts: 3,782
Likes: 1,202
From: river
looking back through other's results, it appears that a longer distance from exhaust port to collector results in higher torque in the 2.5krpm -3.5krpm range. See: D&D Bobcat, Bassani RR Mega
I'm wondering if I could fake a longer collector distance by making some sort of laminar flow insert in the existing collector to effectively separate the headers a few more inches.
I'm wondering if I could fake a longer collector distance by making some sort of laminar flow insert in the existing collector to effectively separate the headers a few more inches.
Road Warrior
Joined: Feb 2014
Posts: 1,851
Likes: 420
From: Santa Fe NM
I wouldn’t worry about anything under 3000rpm at the very least!!!!! That power curve is horrible imho. I’m guessing it’s the pipe. Starts off weak, hits hard then the party is over very fast. Exhaust is HUGE on these engines! And I think that’s why your power curve is less than desirable
Last edited by Bowhunter8607; Nov 29, 2017 at 07:59 PM. Reason: To clear the air