Need to go faster!! - Kawasaki ZX-10R.net
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post #1 of 23 Old 02-17-2015, 01:24 AM Thread Starter
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Need to go faster!!

So I'm in a bit of a pickle. I have a 1/2 mile roll racing event coming up in April and will be running my 2011 against a '14 s1k with full exhaust and tune. A summary of what's already done to my bike: guhl ecu flash, bmc race filter, Austin racing exhaust (slip on), 1/6 throttle mod, bazzaz qs4 usb, vortex rearsets and clip ons, -1 tooth on the front sprocket, all emissions removed, still have secondary throttle bodies in, GPR steering stabilizer, pcv with custom tune.
So if you had $1500 to put into the bike, what would you do? Head work?
Thinner headgasket? Ceramic wheel bearings? Lighter wheels? Any advice is appreciated :)
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post #2 of 23 Old 02-17-2015, 01:34 AM
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Nitrous.
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post #3 of 23 Old 02-17-2015, 08:05 AM
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put a multifunction hub on it to switch maps and good mr12 throttle position tune. pick up 10+ hard and $$$ to find hp in midrange and 8-9 up top. used hub about $75, custom tune ,hub, and 5 gal. of fresh mr12 about $500. yeilds good power increase everywhere tuned properly without cracking valve cover. we get these same results everytime. 10's really respond to mr12 done right. just for special ocassions as u mentioned, best for sure power adder option. huge difference riding our bikes on mr12 and pump gas andf were pump gas tuned also.

Last edited by gazx10; 02-17-2015 at 08:13 AM.
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post #4 of 23 Old 02-17-2015, 09:25 AM
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Originally Posted by gazx10 View Post
put a multifunction hub on it to switch maps and good mr12 throttle position tune. pick up 10+ hard and $$$ to find hp in midrange and 8-9 up top. used hub about $75, custom tune ,hub, and 5 gal. of fresh mr12 about $500. yeilds good power increase everywhere tuned properly without cracking valve cover. we get these same results everytime. 10's really respond to mr12 done right. just for special ocassions as u mentioned, best for sure power adder option. huge difference riding our bikes on mr12 and pump gas andf were pump gas tuned also.
Good info, for sure. But goddamn is MR12 expensive.

By contrast you can set up a small, cheap dry shot for less than 500 bucks and make 30-40hp pretty easy. It's a hassle to refill bottles and hide it (if that's your intent), but it can be done. IMO there is no cheaper way to bolt on 30-40hp in a hurry. If he's just going to roll race there's not even really a need for a progressive controller or the other stuff that makes it expensive.... though better clutch springs are always a good idea.

Just out of curiosity, how does MR12 like spray?

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post #5 of 23 Old 02-17-2015, 10:17 AM
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dont recommend spray on mr12, lower octane very fast burn fuel to maximize cyl. pressure. spray will work. dont know where u will hide even a 1lb bottle set at effective angle for proper nitrous flow to solenoid on a gen 4. 40 actually pretty big shot on a ten, will lose bottle pressure very quickly in just a few seconds with that size bottle making a/f very rich as nitrous flow decreases. ive run shots as low as 16 hp and picked up 6 mph in the 1/4, recommend maybe 16-20 shot max for that distance for engine safety and correct nitrous a/f fueling thru the run.. both suggested mods require seperate map and tuning. u can spray that shot very safely on pump gas. only gonna get 1 run in on small shot at max power for that distance. mr12 increase will stay consistient for a day or two in the tank, but does require draining the fuel, replacing with pump gas when not being used.
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post #6 of 23 Old 02-17-2015, 12:55 PM
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spray the bitch. 20-30 shot will do nicely. change the plugs for 2 steps colder. No need for race fuel, just run a little bit of torco. Nitrous can be used safely, just don't be stupid with it.
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post #7 of 23 Old 02-17-2015, 01:04 PM
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how much $ is at stake in this race? I assume its a lot of your willing to drop $1500 to win. I will also assume that if you are willing to drop that kind of $$ so is he. That said I would spray it and hire a jockey
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post #8 of 23 Old 02-17-2015, 01:17 PM
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Originally Posted by gazx10 View Post
dont recommend spray on mr12, lower octane very fast burn fuel to maximize cyl. pressure. spray will work. dont know where u will hide even a 1lb bottle set at effective angle for proper nitrous flow to solenoid on a gen 4. 40 actually pretty big shot on a ten, will lose bottle pressure very quickly in just a few seconds with that size bottle making a/f very rich as nitrous flow decreases. ive run shots as low as 16 hp and picked up 6 mph in the 1/4, recommend maybe 16-20 shot max for that distance for engine safety and correct nitrous a/f fueling thru the run.. both suggested mods require seperate map and tuning. u can spray that shot very safely on pump gas. only gonna get 1 run in on small shot at max power for that distance. mr12 increase will stay consistient for a day or two in the tank, but does require draining the fuel, replacing with pump gas when not being used.
Rep, fo sho. :)
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post #9 of 23 Old 02-17-2015, 01:24 PM
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post #10 of 23 Old 02-17-2015, 04:20 PM
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no need to change plug heat range on 20-30 shot.
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