Exhaust mod ...

[Son of Pappy]

I have a set of new ZX14 TBs  .. are the C14 smaller ?  The zx14R are 44mm..

I just looked it up , the c14 are 40mm .... hummmmm might be some power with the zx14 44mm TB

Yes.  I dyno'd 161.5 RWHP.  There's more there, I believe that more air into the airbox is needed, but too lazy so far to further explore.

[Smokinzx14]

Yes.  I dyno'd 161.5 RWHP.  There's more there, I believe that more air into the airbox is needed, but too lazy so far to further explore.

Thanks for the info ...

[Son of Pappy]

There's also the plugging the TBs where the secondary fly rod goes through, or knife edging the rod itself.  I want to say they have opened the TBs up to 48mm and did some polishing.  And of course, velocity stacks.  I can see 175 RWHP naturally aspirated before the ram air effect if only we can get the air to the TBs and a good tune.  When you speak/work with Guhls, ask them about upping the RPMs, color me wrong but I see no reason we can't get another 1k out of the motor.  But, it still comes down to air in.

[Smokinzx14]

Ok the numbers are in ... Best all stock 7.00 @ 101 ... With just the Hindle pipe 6.77@105.44

 Picked up over 2 tenths and 4 MPH ... Better than I had hoped for ...

[maxtog]

Ok the numbers are in ... Best all stock 7.00 @ 101 ... With just the Hindle pipe 6.77@105.44

Maybe I am dense, but those C14 numbers can't be the standard 1/4 mile trap.  So what are they?  Stock C14 is 0-100 MPH in 6.8 seconds.... but I don't think that is what you are reporting either (or you wouldn't be posting speeds of over 100).

From my research, the best stock 1/4mi number (which I believe and was repeated) is 10.76@126MPH.

[Smokinzx14]

Maybe I am dense, but those C14 numbers can't be the standard 1/4 mile trap.  So what are they?  Stock C14 is 0-100 MPH in 6.8 seconds.... but I don't think that is what you are reporting either (or you wouldn't be posting speeds of over 100).

From my research, the best stock 1/4mi number (which I believe and was repeated) is 10.76@126MPH.

It's a 1/8 mile track  ...Based on my 1/8 mile numbers the bike should run 10.50s in the 1/4 mile .. I will be testing at our 1/4 mile track soon and report back ..

[maxtog]

It's a 1/8 mile track

OK, that important piece of info does make quite a difference