1070cc GSXR1000 - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 33 (permalink) Old 09-17-2007, 08:23 PM Thread Starter
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1070cc GSXR1000

Hey been awhile since i logged in.

Well finally all my parts and block have arrived (block was niksailed by APE)
I have the JE pistons, cams (web) and everything i need to start to put my beloved K2 1000 together and make it into the 1070cc monster.
I just wanted to ask if anyone has any pointers, i have built many engines before but i just wanted to know if there is anything specific i should be aware off, any experiences, etc.
Your feedback would be appreciated!

I will use this thread as a progress thread and post pictures as i go along. Enjoy!
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post #2 of 33 (permalink) Old 09-17-2007, 08:45 PM
 
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since you already stated that you've done engine builds before, there's really not much to add. a shop manual with the correct tolerances and the usual balance and blue print is standard.

i recommend porting while you have it disassembled. polish the exhaust and rough up the intake. not sure how much surface to fill in the chambers though.

what's the compression ratio? you still wanna use pump gas?
gonna revalve?

-a|ex
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post #3 of 33 (permalink) Old 09-18-2007, 10:26 AM Thread Starter
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Quote:
Originally Posted by Back _Marker View Post
since you already stated that you've done engine builds before, there's really not much to add. a shop manual with the correct tolerances and the usual balance and blue print is standard.

i recommend porting while you have it disassembled. polish the exhaust and rough up the intake. not sure how much surface to fill in the chambers though.

what's the compression ratio? you still wanna use pump gas?
gonna revalve?

-a|ex
While i was waiting for the parts i already has the head ported and polished, plus new valve seats were put in and new valves, just need to grind the valves to the seat.

Well the kit says 13.5 i believe and thats what im aiming for. I do want to run pump gas for street and race fuel to race (i would like to use it on the drag strip) any suggestions on the race fuel? we have a VP center here but i havent visited them yet.
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post #4 of 33 (permalink) Old 09-18-2007, 07:52 PM Thread Starter
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I have all my parts so far, i need to order some tools and get some info on torque settings in case different from OEM






Block which was done by APE














I have loads of other parts like new valves, timing chain, clutch basket, bearings etc
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post #5 of 33 (permalink) Old 09-19-2007, 12:15 AM
 
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oh, brings back memories...
you sending out the parts for balancing? or doing it yourself?

as for fuel, there are other things to consider: timing, temperature, mixture.
but to be on the safe side, avoid pump gas.
if you want to run pump gas, you will need to detune it (retard timing, possibly richen the fuel). back in the day, it was either cam2 or turbo blue. but i believe one was leaded (leaded race fuel still available?)

as for the valves, the more angles the better.

the right tools and a shop manual should be all you need.

good luck,
-a|ex
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post #6 of 33 (permalink) Old 09-19-2007, 11:24 AM
 
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Quote:
Originally Posted by Back _Marker View Post
as for fuel, there are other things to consider: timing, temperature, mixture.
but to be on the safe side, avoid pump gas.
if you want to run pump gas, you will need to detune it (retard timing, possibly richen the fuel). leaded race fuel still available?

the right tools and a shop manual should be all you need.

good luck,
-a|ex
and yea u can still get leaded race gas here, dont know about where hes at. ape is a gd company
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post #7 of 33 (permalink) Old 09-19-2007, 04:21 PM
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Lead doesnt like o2 sensors so if your gonna run that wideband plan on replacing the sensor from time to time

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post #8 of 33 (permalink) Old 09-19-2007, 06:41 PM
 
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Lead doesnt like o2 sensors so if your gonna run that wideband plan on replacing the sensor from time to time
i don't remember seeing any o2 sensor on my EFI bike.

-a|ex
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post #9 of 33 (permalink) Old 09-19-2007, 07:59 PM
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Quote:
Originally Posted by Back _Marker View Post
i don't remember seeing any o2 sensor on my EFI bike.

-a|ex
Im talking about the wideband o2 sensor he has in the picture. Were not talking about your bike here dude

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post #10 of 33 (permalink) Old 09-20-2007, 07:47 PM Thread Starter
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Can someone please explain to me what gas are sold in the gas stations in USA?
I dont get it..
I dont know if im missing the point but here we have 3 types sold at the gas station
LEADED
MIXED (leaded/unleaded)
UNLEADED i think its 95 RON which in the US is 92 PON
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post #11 of 33 (permalink) Old 09-20-2007, 07:59 PM
 
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87, 89, 91 octane unleaded only at the general gas stations-
you can get race gas-unleaded or leaded, dif octanes, 96 to 128 i think, nitro, alcohol, methanol-from vp or sunoco or one of their dealers. usually the last three require proof of membership to a racing org.
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post #12 of 33 (permalink) Old 09-20-2007, 08:15 PM Thread Starter
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Quote:
Originally Posted by dnyce View Post
87, 89, 91 octane unleaded only at the general gas stations-
you can get race gas-unleaded or leaded, dif octanes, 96 to 128 i think, nitro, alcohol, methanol-from vp or sunoco or one of their dealers. usually the last three require proof of membership to a racing org.
Thanks for the info

I do intend on using the 92 Octane for Street and shift to VP for Race fuel. I did read on their site the recommendations of fuel for certain CR's which should be helpful. We do have a VP centre here and i am a certified racer for the track and strip.
For Street use if it gives me 60-70% of it power that great with 92 Octane gas and 95 > with race gas ill be happy.
Any suggestions/Recommendations?
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post #13 of 33 (permalink) Old 09-20-2007, 08:22 PM
 
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id say dynotune it with pump gas, and again with whatever racegas you decide to use. heard gd things about mr9 i think. (i use c-14 normally in mine, but its a dif setup than what you building, its leaded) that way you have a map for pump gas and you'll probably get closer to 90% of the power you would have with the race gas. gas isnt that important, tuning for whatever gas you use is
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post #14 of 33 (permalink) Old 09-20-2007, 08:32 PM Thread Starter
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Originally Posted by dnyce View Post
id say dynotune it with pump gas, and again with whatever racegas you decide to use. heard gd things about mr9 i think. (i use c-14 normally in mine, but its a dif setup than what you building, its leaded) that way you have a map for pump gas and you'll probably get closer to 90% of the power you would have with the race gas. gas isnt that important, tuning for whatever gas you use is
Yeah i was thinking of doing that, but ill cross that bridge when i get to it. I would like to do most of the things before taking it for the Dyno as its in another country 5 hours away so its not really something i would like to do often.

If you dont mind me asking, what is your setup?

Also do you have any suggestions of gearings (sprockets) as the ones on now are stock but will want to change them.
I am also thinking of installing NOS on this when its up and ready and broken in
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post #15 of 33 (permalink) Old 09-20-2007, 08:35 PM
 
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kawi kz, 1260cc 2valve motor, carbs, air cooled.

this a drag bike ?
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post #16 of 33 (permalink) Old 09-21-2007, 05:30 AM Thread Starter
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kawi kz, 1260cc 2valve motor, carbs, air cooled.

this a drag bike ?

Nice, what are ur numbers?

If you mean Purely for drag then NO. This Bike is just for fun for me really weather on the strip or the road.
I started this project, and sold my K6 busa to get the K8 now the K8 really isnt going to be too far from the numbers this bike will produce
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post #17 of 33 (permalink) Old 09-21-2007, 11:19 AM
 
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how big of a unit do you want to put on it?
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post #18 of 33 (permalink) Old 09-21-2007, 05:31 PM Thread Starter
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how big of a unit do you want to put on it?
Sorry, didnt get you, unit of what NOS?
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post #19 of 33 (permalink) Old 09-21-2007, 07:40 PM
 
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Sorry, didnt get you, unit of what NOS?
yea-like how much hp u wana add with the nos, will it be a dry system, wet system, etc.
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post #20 of 33 (permalink) Old 09-21-2007, 08:01 PM Thread Starter
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yea-like how much hp u wana add with the nos, will it be a dry system, wet system, etc.
To be honest, i dont know much about NOS and which one will be better, i have to do some re-search and see whats best. If you can share any info i would be grateful
A guy who is on the drag strip has this NOS i like, he just turns it on and as he presses the gas it injects very little nos automatically like stages, i dont what that's called or anything, but i like it coz it wont overkill the rpm in a flash. I have ridden a bike with nos before,(zx9r) it was useless i pushed the NOS and the rpm redlined and the bike's nose dropped as i was already in 6th gear with over 7000rpm.
I seen this on APE http://aperaceparts.com/nos.html


NITROUS EXPRESS "Dry" Nitrous Oxide Kit but i dont know if its the same one i wanted or not. I just want to gain about 20-30hps with the NOS
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