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Velocity stacks

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camngetit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camngetit Quote  Post ReplyReply Direct Link To This Post Topic: Velocity stacks
    Posted: 09 Feb 2021 at 22:33
Im after a pair of rsv gen1 velocity stack if anyone has any laying  around 
its twins for me !!!!
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legend88 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 2021 at 23:29
I've got a complete airbox incl velocity stacks. Don't really want to split as I don't think the airbox without them will be very saleable.
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426hemi View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 426hemi Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 00:05
What size, early gen1 had 51mm.
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grumpy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote grumpy Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 06:59
What do you want? Short RSV or long Tuono stacks?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 09:11
Originally posted by grumpy grumpy wrote:

What do you want? Short RSV or long Tuono stacks?

I didn't even know they were different lengths. Every day is a school day
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camngetit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camngetit Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 13:43
Rsv ones 51mm trying to make some dual velocity .ive done to tops and was going to use the ones on my airbox but would like to save them just incase 
its twins for me !!!!
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camngetit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camngetit Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 17:34
These arent mine 
its twins for me !!!!
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greenman1966 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote greenman1966 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 21:36
As a very very rough guide, for every increase in height of 30mm you lower the point of peak torque by 1000rpm. For my dual stacks, the bottom one is the standard Tuono height, and then the extra top part is 30mm higher again. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 21:50
doesn’t apply in the case of the double stacks for some reason probably the gap between the 2 

these are  proven to increase power through the rev range 

i definitely want to try some 


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camngetit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camngetit Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2021 at 23:34
If i get some and get them on i will let you know how it goes 
its twins for me !!!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote greenman1966 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2021 at 20:03
I found that I could run a gear higher and it would pull from lower rpms. I don't have a dyno to confirm this other than my butt dyno, so no figures given. 
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camngetit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camngetit Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2021 at 20:20
Thats how im going to check it butt dyno 
its twins for me !!!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote redratbike Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2021 at 20:23
just had a search and i first mentioned the double decker stacks in 2013 but never ever played with them 



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camngetit View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote camngetit Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2021 at 23:01
Yeah you sent me that pic a bit ago soon as i get some i will give them a try after i get a new back tyre and an mot lol i wouldnt mind but the tyre only went on poss 500 miles ago then got a craft blade in it 
its twins for me !!!!
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