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Old 05-24-2006, 07:54 PM   #1
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Default Jammin JP-3

New from Jammin is the follow up to the JP1, and JP2! We don't really know what type of pipe it will be, but with Jammin the quality and performance is sure to be excellent!

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Old 05-24-2006, 07:55 PM   #2
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Looks like a "Top End" tuned pipe, rather than a "midrange" like the JP-2.....

That pipe sure is short!!!!!
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Old 05-24-2006, 07:58 PM   #3
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Well the words undernieth say Torque and RPM....

Bet it is Jay's personal all arounder...

From what I have heard.....
It will work for those mills that have great top end but lack the low...Like the RB WS7 and S5 and S7. It shouldn't sacrifice top end for torque....

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Old 05-24-2006, 08:24 PM   #4
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Cool.....

I'd be willing to give it a try on my 421B...The only thing I'm concerned about is fuel milage, it's terrible with Jammin pipes.
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Old 05-24-2006, 09:25 PM   #5
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Quote:
Originally Posted by SavageSYNTH25
Cool.....

I'd be willing to give it a try on my 421B...The only thing I'm concerned about is fuel milage, it's terrible with Jammin pipes.
Word....
You can help it a bit if you use a OS 2050 header....Helps the pipes a bunch...
But if you are only racing 20-30 minutes mains...no problem...
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Old 05-24-2006, 09:37 PM   #6
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When you think you have it all something new comes out (sigh).
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Old 05-24-2006, 09:53 PM   #7
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I'm going to go out on a limb and take a guess at what this pipe is for.

The JP-1 and JP-2 pipes are both 2 chamber pipes. This is a 3 chamber pipe. Time will tell what performance gains (probably loss) it will bring but it was almost definitely made so that Jammin had an EFRA legal pipe. This season is the first year that all pipes used in international (not US) competition must be 3 chamber designs. OS also released a new T-2060 pipe this year that is a 3 chamber for that reason.
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Old 05-24-2006, 11:14 PM   #8
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So what would be better a JP-2 or a JP-3?
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Old 05-24-2006, 11:20 PM   #9
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Looks way fatter than my JP2...
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Old 05-25-2006, 02:17 AM   #10
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Davidka is probably right, after all it says 3 chamber right there. I would assume that these 3 chamber pipes are just quieter and have lower fuel consumption than a 2 chamber. Of couse the trade off would be less power.
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Old 05-25-2006, 04:36 AM   #11
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i had the same problem with the JP1 pipe...had to put the medium OS header to make any top end on the C5...it just never made much top end with that 3 foot long header that came with it...but i have never really seen much of a fuel problem...but i am running a #7 insert too...
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Old 05-25-2006, 06:55 AM   #12
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Jp2 might have been better than the jp1 for a C5. I know that all the other RB's love the Jp1 pipe but I think that they are all square (or short) stroke engines and the C5 is a long stroke (like Novarossis) which like shorter chamber pipes like 9886's and Jp2's. I'm not sure about the C5 being long stroke, I heard that a while back.
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Old 05-25-2006, 07:56 AM   #13
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yeah...learned that a few weeks back...tried to put a c5 sleeve in an s7...the bore is smaller with a longer stroke...

i had to get rid of the c5...it just made too much power for the track i was on...i am gonna try the ws7III have heard that it has a smoother power band...
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Old 05-25-2006, 08:53 AM   #14
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I have the new Mugen pipe and I think it's the best all around pipe. I'm assuming it's a 2 chamber pipe. Am I going to have to buy a three chamber pipe now because the rules are going to require it?
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Old 05-25-2006, 09:42 AM   #15
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Quote:
It will work for those mills that have great top end but lack the low...Like the RB WS7 and S5 and S7. It shouldn't sacrifice top end for torque....
yea, i've got an S5 and it lacks bottom pretty bad. that's why i got the JP-1 for it because i wanted some more "vroom" on the bottom. plus, i'd rather have more bottom than top anyways.
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