Phil I hear what you are saying. I'd guess the GTS uses a different cam grind to the YZF1000R (Ace) amongst other things, anyhow. If one was to fit an Ace lump complete, then retention of the Exup would be desirable to retain low to midrange performance. I wonder how GTS EFI would cope fitted directly to an Ace engine ? Barry Edwards ----- Original Message ----- From: Phil Benson <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, May 18, 2001 9:52 PM Subject: EXUP > The EXUP valve shouldn't be necessary with the EFI. It's designed to work > with carbs. > > Phil > > > On Fri, 18 May 2001, Barry Edwards wrote: > > > Nick > > > > Did you fit the Exup valve too ? > > > > > > Barry Edwards > > > > > > > > > > ----- Original Message ----- > > From: nicholas.threader <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Friday, May 18, 2001 8:18 PM > > Subject: Re: GTS-1000 Digest - 15 May 2001 (#2001-147) > > > > > > > >But even if you changed to larger header pipes, gutted the Cat, air box/ > > > >filter changes, how would you remap the EFI to compensate? > > > > > > That's just what i've done , fitted thunder ace down pipes & box ( a fair > > > bit of cutting and rewelding , to rejoin to the standard muffler ) , K&N > > > filters , cat in the bin . > > > As to remapping , i didn't , the EFI seemed to manage the changes OK. > > > Although i'm sure remapping would improve the mid range throttle response > > , > > > that's been lost through the changes , even though it's only a small loss > > . > > > Power now at 106bhp , up from 94bhp. > > > Next on the list is a BSM end can , and maybe a rebore to 1100cc . > > > > > > > > > atb Nick T > > > > > > > > > --- > > > Outgoing mail is certified Virus Free. > > > Checked by AVG anti-virus system (http://www.grisoft.com). > > > Version: 6.0.255 / Virus Database: 128 - Release Date: 17/05/2001 > > > > > >
