bryanquad
Well-Known Member
this is all at the wheels
Horsepower Rating?
- Thread starter BPyamaha
- Start date
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jasonp
Well-Known Member
Makes a difference if SAE corrected hp and torque as well.. From what I can tell on your sheet it's not.
duneracerweston
Well-Known Member
???? Please explane I'm new to dynos I under stand how they work and all the sencors just not the out put ratings
bryanquad
Well-Known Member
look at the bottom of it and see it will tell you all about the run are it is not a good dyno .... it should say the run type and run conditions and humidity and sae
duneracerweston
Well-Known Member
I'm not at the house but what's the SAE mean?
DeadLastRacing
Well-Known Member
I read some of these numbers and got to scratching my head. SO, I called up the guy that did my dyno. I had some of my info confused. The 33hp that I was told, IS the RWHP. That was the best out of 8 runs, it was run number 6 after he messed with my edle for a bit. His machine and dyno is off by 10 and that is also why he hasn't bother to fix his printer, because the printouts are useless. (as I said, he's workin with some old chit, kinda ghetto too) Anyways, he looked at it again today and it came up as a shade under 33hp to the wheels. Which makes scene right? .70 bore, JE 11:1 piston, .430 cam, open intake (pro flow), Mild port, Edle Carb, Powerbomb header and DMC exhaust. That should, in theory, give me the added 15hp +/- over stock that I have. Right?
I got confused with RW and FW ratings because we got to talking about the differences after He ran my quad. Also I had this done a few years back. Reguardless, I'm going to get a proper cam in my quad and have it ran again at a new and updated dyno place this summer. We'll see if that 33 stays consistent or if my cam change messes with the results at all.
I got confused with RW and FW ratings because we got to talking about the differences after He ran my quad. Also I had this done a few years back. Reguardless, I'm going to get a proper cam in my quad and have it ran again at a new and updated dyno place this summer. We'll see if that 33 stays consistent or if my cam change messes with the results at all.
jasonp
Well-Known Member
Please read this I found on the internet. This will help you understand..
http://www.woodcarbs.com/hpcalc.pdf
jasonp
Well-Known Member
His dyno is off by 10 hp? That doesn't make any sense dude!
What ever the dyno sheet said is what rear wheel horsepower you got, simple as that.
Duncan claim 30-40 percent power increase with:
INCLUDES: Fat Boy 4 Complete Stainless Exhaust, Camshaft, HD Valve Springs w/chromoly retainers, 38mm PE Carburetor Kit (thumb or twist), Jet Kit, Piston Kit, DRI Porting & Valve Job, Pro Flow Air Cleaner Flange, K&N Filter, Outerwear
So to make it easy.. 20x.4=8hp increase.
+15 hp is a 75 perecent increase in hp from 20.
85 percent increase at 17.5hp
If you think about it.. That is a huge increase in power for any engine.
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87warrior917
Well-Known Member
Numbers confuse me lol. I gotta get some damn money saved to get mine on the dyno. And get my carb straightened out, still running like ****. The mid-range on mine feels crazy, low end is a bit lazy but hey cant haved the best of both worlds..... That being said maybe this new part i got coming will help that out!!:evilface:
jasonp
Well-Known Member
20hp x .4 (40 percent) = 8 hp increase.. 8+20=28hp.
What new part you got coming!!??
duneracerweston
Well-Known Member
Come on what you got uour sleeve now?
duneracerweston
Well-Known Member
Thanks a ton I get it now ill check the conversion factor when I get home Sunday
jasonp
Well-Known Member
I don't know if a warrior with a stock cam and carb just piston only, would make that kind of power on the top end.
duneracerweston
Well-Known Member
It wasn't running A stock carb its runing and has been running a 38mm roundslide carb from makuni with a extended intake
bryanquad
Well-Known Member
if it was a flat slide maybe but even then i dont think so
1998yamahawarrior
Well-Known Member
As was siad earlier, each dyno reads different. Hell weston you could go back with the same set-up and get below 20. Dynos are really more of a tuning aid than a true HP determination.
duneracerweston
Well-Known Member
THANK YOU!!!!! I've got the read out and this is exactly what was on the bike starting on the intake
-durablue air filter with outer wears and no lid
-38mm carb with 220 main jet needle in the 3rd posion
-wiseco :020 over with 10.25:1 comp
-stock head pipe GYTR slip on exhaust for a rappy 350
- oh and a rm stator cdi (for got about that had it for like 6 years)
-ngk spark plug
-13/40 gearing
If you don't think it can pull that hp then I'm sorry but I'm not lieing that's what it pulled this motor has always been a hot motor for a 350
87warrior917
Well-Known Member
20hp x .4 (40 percent) = 8 hp increase.. 8+20=28hp.
What new part you got coming!!??
Ok now i get the numbers HAH.
Ohh just a lil black box that bolts to the rear, I think you have the idea.
duneracerweston
Well-Known Member
Programable?
87warrior917
Well-Known Member
You got it sir:tup:
