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  #1  
Old 22nd April 2007
Gone Gone is offline
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Default Congrats to KCNPA69!

I was fortunate to be able to watch as Mike Velasco put KCNPA69's, 2002, 1200/1250cc conversion on the dyno today to check it out.

Some pretty amazing thunder as it ripped off a respectable and "snorting" 92 hp and 85 ft, lbs. of torque. Still running the factory 2-2's with SEII slip-ons. Combined with the mild .497" cams it helped bring the torque in early with 60 ft. lbs at under 2,500 rpm, yet did not fade out until 6,500 rpm.

Congrats on a fine build!

Last edited by Gone; 22nd April 2007 at 02:46..
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  #2  
Old 22nd April 2007
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what heads were on this build?
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  #3  
Old 22nd April 2007
Sleeper Sleeper is offline
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Kick-ass numbers.
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  #4  
Old 22nd April 2007
kcnpa69 kcnpa69 is offline
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Default Thanks to Dan @ NRHS

Quote:
Originally Posted by jrazo View Post
what heads were on this build?
If anyone is on the fence about NRHS or those guys ability to produce great power, I have to say their word, products, and service all exceded my expectations. Dan spent time on the phone with me on several occasions(answering a lot of dumb questions) and made sure I ordered all the right stuff to build the motor I wanted( which by the way, arrived in less then a week) Thanks, Dan! Also thanks to Paul at Olympic Power Sports in Port Angeles who put my build together, He's a great machinic! When he was done, he tuned it by ear; haven't had 1 backfire in the 600 miles since the work was done.On the Dyno today it showed at 1/4 throttle 16.8 to1 ; at half throttle 16.3 to 1 and at 3/4 throttle showed 16.3 to 1(lean across the board) and the dyno guy suggested a jet kit, bigger jets, fatter needle, but its running so well I'm prone to not mess with it. If you read this Dan, what do you think, jet kit or leave well enough alone?To answer your question, the heads I used are listed in my signature. KC
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  #5  
Old 23rd April 2007
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If those figures are at a steady throttle and not WOT then they are not extremely bad but still should be richer, if they are at WOT then they need to come down a lot.

Quote:
Originally Posted by kcnpa69 View Post
If anyone is on the fence about NRHS or those guys ability to produce great power, I have to say their word, products, and service all exceded my expectations. Dan spent time on the phone with me on several occasions(answering a lot of dumb questions) and made sure I ordered all the right stuff to build the motor I wanted( which by the way, arrived in less then a week) Thanks, Dan! Also thanks to Paul at Olympic Power Sports in Port Angeles who put my build together, He's a great machinic! When he was done, he tuned it by ear; haven't had 1 backfire in the 600 miles since the work was done.On the Dyno today it showed at 1/4 throttle 16.8 to1 ; at half throttle 16.3 to 1 and at 3/4 throttle showed 16.3 to 1(lean across the board) and the dyno guy suggested a jet kit, bigger jets, fatter needle, but its running so well I'm prone to not mess with it. If you read this Dan, what do you think, jet kit or leave well enough alone?To answer your question, the heads I used are listed in my signature. KC
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  #6  
Old 23rd April 2007
CBAS5 CBAS5 is offline
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Quote:
Some pretty amazing thunder as it ripped off a respectable and "snorting" 92 hp and 85 ft, lbs. of torque. Still running the factory 2-2's with SEII slip-ons.

That's very interesting. I thought dan said a 2-2 pipe is limited to 85 hp and it won't make more than that.

Can you post the dyno sheet?
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Last edited by CBAS5; 23rd April 2007 at 18:42..
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  #7  
Old 24th April 2007
kcnpa69 kcnpa69 is offline
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Quote:
Originally Posted by CBAS5 View Post
That's very interesting. I thought dan said a 2-2 pipe is limited to 85 hp and it won't make more than that.

Can you post the dyno sheet?
All I can tell you is what the dyno readout tells me. and the guy that was running the dyno is supposed to be one of the best around. I don't know how to post on this site, but I scanned the readout and I have it on my PC. If you PM me your e-mail address, I will send it back to you and maybe you could post it for me? KC
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  #8  
Old 22nd April 2007
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You can always change the jets and see how it feels but document what you currently have in there. The other choice is to go back to the guy that built it and ask if he would run that lean. My guess is that he would not. Too lean can cause some major problems under the right circumstances.
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  #9  
Old 22nd April 2007
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I have to agree with Ralph, at 16:1 AFR, those heads are parched for more fuel. I wouldn't be surprised if you found 4-5 more hp with proper air fuel mixture
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  #10  
Old 23rd April 2007
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Those heads you say are 04 1200r, did NRHS do any additional work to them? Are they Stage 1, Stage 2?

Very impressive numbers with those .497 cams.

Also I think you are on the tad lean side, I myself would consider bumping the jet up, but that's just me. I would think that if you ride two up or get into stop and go traffic you'll start to hear pinging when the weather gets warmer.
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