IGNITION ADVANCERS

phild · Post by **phild** » Sun Feb 04, 2007 8:05 pm

QUESTION FOR ALL YOU TECHNO'S, WHAT IS AN IGNITION ADVANCER FOR AND HAS ANYONE EVER FITTED ONE?IF SO WHAT WAS THE RESULT.

alan · Post by **alan** » Mon Feb 05, 2007 3:21 pm

Ignition advancer improves throttle response,maximises torque and peak power,but you could always play with the gearing abit and achieve the same or better results (-1 tooth on front + 2 tooth on rear etc etc)

Stormin Ben · Post by **Stormin Ben** » Mon Feb 05, 2007 3:57 pm

This question was posted on the yahoo list

Has any body on the list fitted one of these to their Storm?

The story seems feasible and I read a post on another list from a guy claiming improvements in response throughout the rev range and better consumption but it appears too good to be true.

Would any one like to take up the challenge and kick holes in this claim or am I just overly cynical?

http://www.bikehps.com/ProductFiles/Fac ... ncers.html

Tony.

And this was the reply from Sir Roger of Ditchfield

Dear Tony
I understand that these "bolt-on" accessories do have their attractions and in the case of some models of bike be a worthwhile mod. However on the relatively low revving VTR there is very little improvement.
While developing the racing versions of the VTR from ST1 up to ST3 Superbike spec (152bhp @ R/Wheel) we spent many days testing ignition timings with programmable electronics (thanks to loaned equipment from Gerrit Ten Kate - before he was famous) only to find that retardation of 1.5 degrees between 3500rpm and 42000rpm and advancement of 2 degrees from 5500rpm to 10800 rpm (we had removed the normal street rev limiter) were the only changes that showed improvement.
The majority of after market advancers are "across the board" affairs and usually giving 4 to 6 degrees of advance. On the VTR this will serve only to make the engine run hotter!!!
All our testing was done under strict "control circumstances" along with telemetry where improvements were actually and consistantly MEASURED and results re-checked. I would find it hard to believe that anyone has done as much exhaustive testing and development of VTRs we have. We were being paid by HRC to undertake the European development work while Mamoru Moriwaki was doing the same in Japan.
Hope this helps in your deliberations

Regards
Roger

Do I need to add anything further to this thread?
Nah, didn't think so

Post by **sirch345** » Mon Feb 05, 2007 4:02 pm

Ben,

Nuff said

alan · Post by **alan** » Mon Feb 05, 2007 4:41 pm

As i said play with gearing you notice more of a difference, i nearly bought one ages ago until i read something along those lines Ben it may have been you.

phild · Post by **phild** » Mon Feb 05, 2007 7:22 pm

THANKS FOR THAT INFO ,JUST WONDERING WHAT THEY DID ,ALREADY DONE THE SPROCKET THINGY

Stormin Ben · Post by **Stormin Ben** » Mon Feb 05, 2007 10:56 pm

Then if its more pep and another 15bhp you're after

Get an RC45 throttle tube

Seriously, it makes a big difference

streetf2 · Post by **streetf2** » Tue Feb 13, 2007 7:47 pm

whats an rc45 throttle tube ? where does it go ? where can i get one and how much.

oh i see iam a bit late well better late than never!

LotusSevenMan · Post by **LotusSevenMan** » Tue Feb 13, 2007 8:41 pm

See the thread here

http://www.vtr1000.org/phpBB2/viewtopic.php?t=7991