Author Topic: CB 750 for Performance Use  (Read 5930 times)

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Offline jweeks

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Re: CB 750 for Performance Use
« Reply #50 on: December 17, 2013, 02:04:45 PM »
Progressive nitrous controllers can reduce the shock. Yes, they are currently available. Timers and shift counters can control the when signal and how much nitrous the controller regulates. Frank L. is a good source on this as he's already racing using this technology.

Offline TurboD

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Re: CB 750 for Performance Use
« Reply #51 on: December 17, 2013, 02:29:43 PM »
Yes I have had good luck with the 2 dial one from Schnitz.

Offline MRieck

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Re: CB 750 for Performance Use
« Reply #52 on: December 17, 2013, 03:50:40 PM »
That Schnitz Micro Storm sounds nice....very small too
Owner of the "Million Dollar CB"

Offline EnginebyAdam

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Re: CB 750 for Performance Use
« Reply #53 on: December 17, 2013, 05:26:15 PM »
Thanks for the help, I will look into those. What is the difference with the Canadian carbs? Thanks for the jetting tips, if I have time to work this project in, It will be turbo.

Over the years I have converted a number of KZ 900/1000 over to the GSXR 36MM CV carbs, they just flat perform better all around. Idle, response, top end.

I have a set of BST36SS's sitting on my shelf. Have you had to re-space these carbs at all? I have thought about using them on this build, but spacing wise they go on the dohc Honda's easier.

Just to be clear. If you are referring to the GSXR 750/1100 36mm carbs, I don't believe that they will fit a SOHC Honda very easy or they would be my first choice. They do fit right onto a Kawasaki KZ 900/1000/1100 when using the later 81 and newer "J" model intake boots.

I'm not sure on these sohc's either, but gs1000 intake boots or rad hose with copper inserts get the job done on the dohc's. I was planning on pulling my CR31's on my dohc, in favor of the BST36SS's for street ability, but the CR's are pretty dialed in at this point.
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Offline TurboD

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Re: CB 750 for Performance Use
« Reply #54 on: December 17, 2013, 05:31:54 PM »
Adam I seen your post about using a GSXR swingarm, Here is a stock F arm that I added 10 inches to, a 180 tire fits fine. I have 3 bucks and about 2 hours into making it.

Offline EnginebyAdam

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Re: CB 750 for Performance Use
« Reply #55 on: December 17, 2013, 05:47:56 PM »
Adam I seen your post about using a GSXR swingarm, Here is a stock F arm that I added 10 inches to, a 180 tire fits fine. I have 3 bucks and about 2 hours into making it.

Well that works, and is my kind of solution to a need ;D I'm thinking the gsxr stuff will make a nice, neat, package providing it works out. My partner on this is all about it looking good and not just fast ::) ;) He won't be saying that when he is polishing the cases :) I'm a paint kind of guy myself.
Better Rodded Than Rotten

Offline dragracer

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Re: CB 750 for Performance Use
« Reply #56 on: December 17, 2013, 06:30:28 PM »
Adam I seen your post about using a GSXR swingarm, Here is a stock F arm that I added 10 inches to, a 180 tire fits fine. I have 3 bucks and about 2 hours into making it.


Extended stock arm, best bang for the buck in a twin shock set up. GSXR or Katana arm works great for mono shocks.

Offline dragracer

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Re: CB 750 for Performance Use
« Reply #57 on: December 17, 2013, 06:34:33 PM »
That Schnitz Micro Storm sounds nice....very small too

The micro storm is nice. In my opinion the NOS mini is the most affordable and its packed with a lot of features if  you only intend to spray the bike occasionally. Much better than the 2 dial controller for almost the same money.

Offline TurboD

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Re: CB 750 for Performance Use
« Reply #58 on: December 18, 2013, 12:04:17 PM »
JW Do you remember what year those 750 Nighthawk carbs might have been?  My research is showing the roughly 81-85 to be 30mm and the 91 and newer to be 34mm.

Offline jweeks

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Re: CB 750 for Performance Use
« Reply #59 on: December 18, 2013, 03:40:50 PM »
I was thinking 80's. I've got a set unmounted that I'll check. It may take a little time as I've got a hand splinted for the next 6 weeks and the carbs are in a trailer that I have to grind off the lock to get into.

Offline Tintop

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Re: CB 750 for Performance Use
« Reply #60 on: December 18, 2013, 04:14:21 PM »
The 750 Nighthawk was available in Canada starting in 1984, if that helps.  Had one as a shop bike then.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread