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It's good to know where it's at. I've seen a crank sprocket going in retarding instead of advancing and it was pretty weak. It bled off too much comp.
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Originally Posted by paul s
(Post 8222143)
It's good to know where it's at. I've seen a crank sprocket going in retarding instead of advancing and it was pretty weak. It bled off too much comp.
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Originally Posted by jshull
(Post 8221759)
Guys i am a little miffed, I just had my bike dynoed and its not at all what I expected. can you look and tell me if this is good bad or ugly, I know my bike is a huge pig.....Hell I lost TQ, I also didnt get a AF print out on the new print. before I call and question them I would like some feed back. This was is only going to be ran until this winter when it gets a big bore and head work.
this tune was a few years ago here is the list V&H Short Shots-V&H Drak Intake-V&H Fuel Pak http://i16.photobucket.com/albums/b4...n/IMG_0248.jpg this one is the current set up, Python Staggard Duals-Heavy Breather-PCV-Andrews 30T-Andrews 54H Cams-Andrews Adj Push rods-Andrews 4* Advance http://i16.photobucket.com/albums/b4...n/IMG_2912.jpg Also, from what I understand, the 54 likes ~10:1 compression. If you're running stock (~9.2:1) it might be too low for that cam. Why would you use a 4* advance with the 54? That's a pretty aggressive cam. But what do I know....I'm no engine builder. :) |
I have the PVC now not the fuel pak, I advanced them on Andrews suggestion because I was not doing heads yet.
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Before and after Woods 555 cams. Both base and after cam tune used a Speeds high-flow AC, Cobra Dragster exhaust. Before 72hp and 82tq. After cam install 83hp and 94tq. Seems decent for a set of cams. Next either 103bb or bump the compression up and head-work. At what point should I worry about pinning/welding and truing the crank?
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Originally Posted by hddan502
(Post 8227902)
Before and after Woods 555 cams. Both base and after cam tune used a Speeds high-flow AC, Cobra Dragster exhaust. Before 72hp and 82tq. After cam install 83hp and 94tq. Seems decent for a set of cams. Next either 103bb or bump the compression up and head-work. At what point should I worry about pinning/welding and truing the crank?
. . pretty nice bump up there with the cams. compression and aggression - that's where the lower end service pays off. not always necessary, peace of mind for sure. won't really know if you needed it until you need it. adds quite a bit to the build cost. I hammered my 11:1 88 to 95 hard on a very regular basis w/o servicing the flywheels. when I went from 95 to 121 the lower end got the full treatment. . . . |
Originally Posted by mud
(Post 8228631)
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won't really know if you needed it until you need it. . Kind of what I thought, my bud built a 124 S&S 132hp/134tq in his TC88, road it hard for 3 years. He come down from a wheelie and snapped the cases at the front motor mount, never had an issue with flywheel. Now has the full S&S cases and has the full crank work. He did add 2 bottles of NOS, one on each fender strut it is scary sic at 172hp and 176tq. |
2010 FDXF SE 103 Stage IV
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Thought I'd add mine to the list. Went with the SE Stage IV kit in the '11 SE catalog. Added the Heavy Breather and Bassani RR 2-into-1 exhaust. Thoughts/comments on the results appreciated.
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OK, may as well join in -
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2010 FXDF with just SE slip-on's SE A/C and SE204's - not a bad bump! Next 103 BB & lite headwork -
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new run
96"--python duals--heavy breather--54h cams--adj push rods--bct qq series baffles--pcv
http://i16.photobucket.com/albums/b4...n/IMG_2956.jpg |
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