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Old 12-26-2009, 07:55 AM   #1 (permalink)
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255 cam results ?

Have a 09 FLHT
I am thinking of changing stock cams to the 255 cams.
What are the REAL gains gotton from the change (HP & Torque,0-60 & or 1/4 mile times)
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Old 12-26-2009, 06:49 PM   #2 (permalink)
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Originally Posted by mca1989 View Post
Have a 09 FLHT
I am thinking of changing stock cams to the 255 cams.
What are the REAL gains gotton from the change (HP & Torque,0-60 & or 1/4 mile times)
I got one on the dyno right now.
103 ci 255's V&H T/D's k&N A/C. stock heads
It is @ 80 hp and 106 tq. I cant seem to get any more hp out off it.
the tq. is where it should be at. these are tq. cams to begin with. they build early tq. and fall off real quick.
they are still a epa compliant cam so there are better choices.
I like the SE 204 way better it will make the same tq. and even more hp. they just come on the cams a little later 200-300 rpm later.
the 255 has a place I just find that most out grow them quick. guys will get the urge for some performance and put them in . soon they find they really want more. If you are a short shifter and don't care about staying ahead of the other guys that wind them out then they work pretty good. they pull great out of the hole but after that the only bike your gonna stay ahead of are stage 1 and stock bikes.
I think the V&H T/D'S are holding the hp back on this one.
I have seen a 96 ci stock head go 75-83 hp and 95-102 tq. with a good pipe and good tune with sert or TTS mastertune.
hope this helped you some.
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Old 12-30-2009, 08:48 AM   #3 (permalink)
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in your opinion what would be thebest set-up cams,pipes,tuner,airsystem
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Old 12-30-2009, 08:55 AM   #4 (permalink)
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we have a 96 running, d and d boss, or fat cat, 203 cams, s.e.r.t., and stg 1 a/c

just shy of 94 hp and 103 trq
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Old 12-30-2009, 09:40 AM   #5 (permalink)
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Originally Posted by serviceguy85 View Post
we have a 96 running, d and d boss, or fat cat, 203 cams, s.e.r.t., and stg 1 a/c

just shy of 94 hp and 103 trq
I like the looks of that!
I would choose the 204 instead of the 203 but just me.
I will add if that was had from a stock head and stock compression 96ci with 203's you did good! nice job!



EDIT: to say the D&D was the diff in 8-10 hp and 2-5 tq. on your 203 build wouldnt you say. service guy? that just shows you what a good pipe can do for the build.
then there is the x-tra tq. under the curve that will be felt @ 2300 rpm and out to 5500 rpm.
again nice job!
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Old 12-30-2009, 10:15 AM   #6 (permalink)
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I like the looks of that!
I would choose the 204 instead of the 203 but just me.
I will add if that was had from a stock head and stock compression 96ci with 203's you did good! nice job!



EDIT: to say the D&D was the diff in 8-10 hp and 2-5 tq. on your 203 build wouldnt you say. service guy? that just shows you what a good pipe can do for the build.
then there is the x-tra tq. under the curve that will be felt @ 2300 rpm and out to 5500 rpm.
again nice job!

yes sir, stock heads and compression, 204s are a good choice to though, over all though we were happy with how it turned out.


and yes, i took 3 dyno sheets and overlaped all of them , all of them had the same set up cams, a/c tuner and such minus the pipes.

rush slips only 2 in baffle gave us 83.6hp 96.95 trq
v h 2.5 inch baffle 85hp 99 trq
fat cat was the numbers i alredy gave,
we are about to do another 203 and fat cat combo but with a heavy breather, ill let you know how it comes out
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Old 12-30-2009, 12:57 PM   #7 (permalink)
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Originally Posted by serviceguy85 View Post
yes sir, stock heads and compression, 204s are a good choice to though, over all though we were happy with how it turned out.


and yes, i took 3 dyno sheets and overlaped all of them , all of them had the same set up cams, a/c tuner and such minus the pipes.

rush slips only 2 in baffle gave us 83.6hp 96.95 trq
v h 2.5 inch baffle 85hp 99 trq
fat cat was the numbers i alredy gave,
we are about to do another 203 and fat cat combo but with a heavy breather, ill let you know how it comes out
thats about what I see also from 2-2 pipes also.
fatcats make all the diff.
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Old 12-31-2009, 11:26 PM   #8 (permalink)
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103", SE Intake, SE Exhaust, new 259 cams:
96hp, 115 tq

I am still trying to find a way to scan my dyno sheet. The torque 'curve' isn't really a curve. Basically stays within 10ft/lbs from 2500rpm through 6-7000rpms.

Take a look at these new cams, they're a welcome suggestion from my HD tech.
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Old 01-01-2010, 12:17 AM   #9 (permalink)
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Originally Posted by BamaHDRev View Post
103", SE Intake, SE Exhaust, new 259 cams:
96hp, 115 tq

I am still trying to find a way to scan my dyno sheet. The torque 'curve' isn't really a curve. Basically stays within 10ft/lbs from 2500rpm through 6-7000rpms.

Take a look at these new cams, they're a welcome suggestion from my HD tech.
I would like to see the sheet.
havent seen one yet
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Old 01-01-2010, 02:08 PM   #10 (permalink)
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That is the one i was looking at but ended up going with 255.Couldn;t find enough info on them and the builder ws familar with 255 and had the sheets to back it up will see in 2 weeks.:cupcakeThose are some nice numbers
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