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Old 09-22-2012, 07:50 PM   #1
nikosrr
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Velocity stacks short or long?

Velocity stacks short or long?

I need your help. I'm looking for velocity stacks for my racing cbr600rr 2007.My bike has hrc's power up kit(cams, spring valves and hrc spark plugs), bmc racing filter, hrc wiring, hrc ecu, and an afr tunning ecu closed loop.I saw on hrc's web site that they have two types of velocity stacks short and long.
06170-N1A-D00 AIR FUNNEL SET
06170-N1A-D10 AIR FUNNEL SET
https://www.slipstreamperformance.co...6e48209031b31a
also after long search on the net i found some others manufacturers of velocity stacks like factory pro, hrp, euro-racing, ten kate and venturi system.below you'll see most of them
http://www.factorypro.com/Prod_Pages/prodh41.html
http://www.cbr-tuningshop.de/product...roducts_id=381
http://www.xparts.net/Item.aspx?id=2362
http://www.tenkateracingproducts.com...-tkrp-106.html
http://www.venturisystem.com/en/hond...2009-2010-p-15

My question is: go with the short or long velocity stacks?what is the bennefits of both?have anyone use anything of these?and last question which one of them, hrc, factory pro, hrp, euro-racing, ten kate or venturi system?
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Old 09-22-2012, 11:37 PM   #2
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I have factory pros
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Old 09-23-2012, 04:46 PM   #3
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have you dyno the bike before and after velocity stacks installed?if yes can you post the dyno?do you have any photos of the stacks?photos that they have on the site are not very good and i can not understand if they are alloy or fiber.
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Old 09-23-2012, 05:21 PM   #4
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No dyno runs after but before 101hp and 78 ft lbs. No remapping needed per factory pro website. They were short and look like plastic it helps your midrange and has a nice tone
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Old 09-23-2012, 05:22 PM   #5
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But I have a 06 its prob diff for a 07
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Old 09-23-2012, 05:55 PM   #6
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for sure they are different for a 07 but i believe the material is the same.any pics?
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I'm looking for racing velocity stacks...pm me
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Old 09-24-2012, 05:31 PM   #7
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No pics sorry man
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Old 01-02-2013, 05:05 PM   #8
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Quote:
Originally Posted by nikosrr View Post
Velocity stacks short or long?

I need your help. I'm looking for velocity stacks for my racing cbr600rr 2007.My bike has hrc's power up kit(cams, spring valves and hrc spark plugs), bmc racing filter, hrc wiring, hrc ecu, and an afr tunning ecu closed loop.I saw on hrc's web site that they have two types of velocity stacks short and long.
06170-N1A-D00 AIR FUNNEL SET
06170-N1A-D10 AIR FUNNEL SET
https://www.slipstreamperformance.co...6e48209031b31a
also after long search on the net i found some others manufacturers of velocity stacks like factory pro, hrp, euro-racing, ten kate and venturi system.below you'll see most of them
http://www.factorypro.com/Prod_Pages/prodh41.html
http://www.cbr-tuningshop.de/product...roducts_id=381
http://www.xparts.net/Item.aspx?id=2362
http://www.tenkateracingproducts.com...-tkrp-106.html
http://www.venturisystem.com/en/hond...2009-2010-p-15

My question is: go with the short or long velocity stacks?what is the bennefits of both?have anyone use anything of these?and last question which one of them, hrc, factory pro, hrp, euro-racing, ten kate or venturi system?



i have the same qwestion,



i want to order the velocity stacks to , but it will be next winter and than i wil get my engine remapped per cilinder with the rapid bike racing module
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Old 01-02-2013, 05:42 PM   #9
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Quote:
Originally Posted by nikosrr View Post
Velocity stacks short or long?

I need your help. I'm looking for velocity stacks for my racing cbr600rr 2007.My bike has hrc's power up kit(cams, spring valves and hrc spark plugs), bmc racing filter, hrc wiring, hrc ecu, and an afr tunning ecu closed loop.I saw on hrc's web site that they have two types of velocity stacks short and long.
06170-N1A-D00 AIR FUNNEL SET
06170-N1A-D10 AIR FUNNEL SET
https://www.slipstreamperformance.co...6e48209031b31a
also after long search on the net i found some others manufacturers of velocity stacks like factory pro, hrp, euro-racing, ten kate and venturi system.below you'll see most of them
http://www.factorypro.com/Prod_Pages/prodh41.html
http://www.cbr-tuningshop.de/product...roducts_id=381
http://www.xparts.net/Item.aspx?id=2362
http://www.tenkateracingproducts.com...-tkrp-106.html
http://www.venturisystem.com/en/hond...2009-2010-p-15

My question is: go with the short or long velocity stacks?what is the bennefits of both?have anyone use anything of these?and last question which one of them, hrc, factory pro, hrp, euro-racing, ten kate or venturi system?
if you want cheap v-stacks you can just buy 2 sets of OEM v-stacks then cut them in half & use the shorter ones for more top end & the longer ones for more midrange. this is what i did on my track bike but i haven't dyno'd it yet.

those HRC v-stacks are overpriced, $448 for the short & $958 for the long stack (each) is ridiculous, are they made of precious metals?

now if i had to choose i'd get the stack with the biggest radius as it usually flow air the smoothest, the FP & Euro Racing stacks get my vote but bang for the buck the modded OEM stacks are my first choice since they're so cheap new.
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Old 01-02-2013, 05:51 PM   #10
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Quote:
Originally Posted by OveRReV View Post
if you want cheap v-stacks you can just buy 2 sets of OEM v-stacks then cut them in half & use the shorter ones for more top end & the longer ones for more midrange. this is what i did on my track bike but i haven't dyno'd it yet.

those HRC v-stacks are overpriced, $448 for the short & $958 for the long stack (each) is ridiculous, are they made of precious metals?

now if i had to choose i'd get the stack with the biggest radius as it usually flow air the smoothest, the FP & Euro Racing stacks get my vote but bang for the buck the modded OEM stacks are my first choice since they're so cheap new.
There is even a 'how to' thread for them here: http://www.600rr.net/vb/showthread.php?t=116614
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Old 01-02-2013, 05:53 PM   #11
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No dyno runs after but before 101hp and 78 ft lbs. No remapping needed per factory pro website. They were short and look like plastic it helps your midrange and has a nice tone

wow, 78 ft/lb of torque is liter bike territory, even the most prepped 600 engines in world supersport rarely go over 50 ft/lb. must be a typo. :D
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Old 01-02-2013, 06:07 PM   #12
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wow, 78 ft/lb of torque is liter bike territory, even the most prepped 600 engines in world supersport rarely go over 50 ft/lb. must be a typo. :D
I was just about to say something. That thing must be a hell of a bike.
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Old 01-02-2013, 08:11 PM   #13
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Have not seen any solid evidence of the velo stack mod actually having any real effect....

but since Yamaha has variable length stacks I guess it has something to it.......

longer = better for high rpms?

short = more midrange power?

Last edited by tary preisser; 01-02-2013 at 08:14 PM. Reason: + dumb ?'s
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Old 01-02-2013, 10:06 PM   #14
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Have not seen any solid evidence of the velo stack mod actually having any real effect....

but since Yamaha has variable length stacks I guess it has something to it.......

longer = better for high rpms?

short = more midrange power?
bah, too many guys worry about length.

it's girth that's the important factor.
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Old 01-03-2013, 05:37 AM   #15
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Just a word of warning on factory pro stacks. I ordered them for my bike a while ago. They were on back order and I waited 8 months. I finally called to cancel and the guy at factory pro had no idea how I could get my money back because “they don’t have anything to do with that”. They gave me the number of the guy who “handles the money” and after three weeks of leaving messages I finally had my money back.
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Old 01-03-2013, 07:38 AM   #16
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Originally Posted by tary preisser View Post
Have not seen any solid evidence of the velo stack mod actually having any real effect....

but since Yamaha has variable length stacks I guess it has something to it.......

longer = better for high rpms?

short = more midrange power?
it's the other way around, the R6 stacks on the 08-12 models are very very short, it's almost flush with the airbox.
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Old 01-03-2013, 07:54 PM   #17
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A picture is worth a thousand words... Idk I thought the same thing when I saw it
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Old 01-03-2013, 08:53 PM   #18
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looks like something went wrong on that 2nd (red) dyno run.
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Old 01-03-2013, 09:49 PM   #19
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A picture is worth a thousand words... Idk I thought the same thing when I saw it
Bahahaha, dude, something went wrong.

30 ft-lbs of torque in less than 1,000 RPM would be hilarious to see.

My 600RR got a pretty hefty tune when I went to an ex-AMA racing team manager for some work. I entered with 108hp and 44.7 ftlbs, left with 115hp and 48 ftlbs, and THAT was a huge deal. 30 ftlbs in 1,000RPM is nearly like the power on a 500cc two stroke GP bike coming on!!
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Old 01-03-2013, 10:08 PM   #20
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Bahahaha, dude, something went wrong.

30 ft-lbs of torque in less than 1,000 RPM would be hilarious to see.

My 600RR got a pretty hefty tune when I went to an ex-AMA racing team manager for some work. I entered with 108hp and 44.7 ftlbs, left with 115hp and 48 ftlbs, and THAT was a huge deal. 30 ftlbs in 1,000RPM is nearly like the power on a 500cc two stroke GP bike coming on!!
The bottom is speed not RPM, but agreed something happened to give a false reading.
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Old 01-04-2013, 12:54 AM   #21
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The bottom is speed not RPM, but agreed something happened to give a false reading.
Ahh, indeed. Definitely more of an obvious glitch with that, either way.
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