ECU FLASH IN PA

[HikerToo_imp]

Well, the PowerCommanderV adds fuel, so make sure you get the ECU flash that includes the PCV fuel enrichment, I believe CIP had his PCV fuel maps added to his ECU flash.
It would still be best if they could put a CB on the Dyno and tweak the ECU and actually see what they're doing and how it effects performance.

[Dengie Boy_imp]

Tripod (I used to have a mate who called himself that for his "screen" work!)
Whilst I am not answering your question, have a look at this table:

No Mr Ferret please don't fret about copyright, I cut it out out from a free promotional publication over a year ago.

Anyway, given that the stroke on our bikes is shorter than the 1983 bike it should be capable of matching the revs. I appreciate that we are moving into cam shaft territory, that I for one certainly wouldn't want to move into for a number of years. But my point is to show the potential of where it could all go without being too extreme given time.
As to where we are now? Ridem and Cip will answer.

Cheers
Dengie

[CIP57_imp]

I've pushed 4th gear into the mid to upper 120's at 9000rpm's so its accurate at 7500 rpm's. For the amount of HP it has a very nice top end, it just takes a bit longer than a sport-bike to get there.

[Dengie Boy_imp]

Cip
Impressive stuff. Remind me, are you on the 5 or 6 speed bike?
I know somebody has posted the difference in ratios between the 2 bikes but I can't find it anymore! I am not stressing about it - just when one of you has time could you point me in the right direction?

Cheers
Dengie

[Tripod_imp]

Maybe someone, besides me , can shave the head and increase compression!

[Dengie Boy_imp]

I am guessing that the compression ratio is that bit higher on the 30 year old engine because the throw off the crank is that bit longer?
5 minute job then to swop out the crankshaft

Cheers
Dengie

[Tortuga_imp]

Tripod (I used to have a mate who called himself that for his "screen" work!)
Whilst I am not answering your question, have a look at this table:

No Mr Ferret please don't fret about copyright, I cut it out out from a free promotional publication over a year ago.

Anyway, given that the stroke on our bikes is shorter than the 1983 bike it should be capable of matching the revs. I appreciate that we are moving into cam shaft territory, that I for one certainly wouldn't want to move into for a number of years. But my point is to show the potential of where it could all go without being too extreme given time.
As to where we are now? Ridem and Cip will answer.

Cheers
Dengie

Am I to believe the UK/Euro bikes have no speed restriction from this?

[Dengie Boy_imp]

This article, together with a report in MCN (I could share?) that I studied before buying my bike March 2013 led me to think exactly that. However, my shinanigans on the centre stand posted here http://cb1100forum.com/forum/showthread....2#pid48262 tell a different story. I am afraid Torts we have the same strangled machines our American cousins have

Cheers
Dengie

[davidsargee_imp]

Just food for thought guys, but I wonder if our CB1100 mill is a candidate for a turbocharger? An old friend of mine had a turbocharged Kawi Z-1 back in the late '70s. I helped him build it. He used a kit that was on the market back then from a company call American TurboPak. We took the Z's mill apart and rebuilt it with heavy duty everything, down to the cylinder studs. Also used special low compression forged pistons, and cams that actually tamed the big Z a little. The idea was to strengthen the motor as much as possible for the stresses of turbocharging. The end result was a bike that was unbelievably quick and fast for it's time, he clocked 9.6 in the quarter mile with terminal speeds of 148+ mph. In 1978, that was screamin'.

Seems to me that our CB1100 mill might take better to that sort of mod than taking the conventional route, but would need someone to design a turbo kit for it, probably rather unlikely. Oh well, just a thought.