| 29DreamsRacing.com FZR400 Superbike | |||||||||
| FCR33 Flatslide Carb Tuning Log | |||||||||
| Date | MAJ | MFJ | Needle | SAJ or SAS | SFJ | Fuel | Air | Weather | Comments |
| (V.S. | 90FTV | (V.S. on L) | (under | Screw | Filters? | ||||
| on R) | T.Out | float bowl) | T. Out | ||||||
| 7/2/2005 | 200 | 115 | 4th | 110 | 52 | 1.5 | N | 97d | Start Tuning at Road Atlanta |
| Bike would hardly run - no top end - way way too rich | |||||||||
| 7/2/2005 | 200 | 112 | 4th | 110 | 52 | 1.5 | N | 98d | Much better up top, but wanted to buck me off between 9k-10k (violent) |
| 7/2/2005 | 200 | 110 | 4th | 110 | 52 | 1.5 | N | 97d | Couldn’t tell much difference up top, but still bucked bad 9k-10k |
| 7/3/2005 | 200 | 110 | 2nd | 110 | 52 | 1.5 | N | 90d Rain | Much better midrange, but far from smooth |
| Top end popping some down back straight - too lean? | |||||||||
| 7/3/2005 | 200 | 112 | 2nd | 110 | 52 | 1.5 | N | 93d | OK on top |
| End of Tuning at Road Atlanta | |||||||||
| 7/23/2005 | 200 | 112 | 2nd | 110 | 50 | 1.25 | N | 95d | Start of Tuning at Barber |
| Bad Stumble thru 10k rpms | |||||||||
| 7/23/2005 | 200 | 112 | 1st | 110 | 50 | 1.25 | N | 95d | Still mid-range stumble but lots better |
| 7/23/2005 | 200 | 112 | 1st | 110 | 50 | 1.25 | Y | 95d | Horrible Mid-Range Stumble - worse |
| 7/23/2005 | 200 | 110 | 1st | 110 | 50 | 1.25 | Y | 95d | Better Top End - MidRange Stumble is there but not bad |
| Low RPMs horrible - cant ride in pits -feels too rich | |||||||||
| Ridable! - Fairly good baseline setup although 1/2 throttle is not smooth | |||||||||
| End of Tuning at Barber Track Day | |||||||||
| 8/12/2005 | 200 | 110 | 1st | 110 | 48 | 0.75 | Y | 95d | Start of Tuning for Barber CCS Race |
| Tried to install Slow Air Screws but there is a clearance issue - ordered gasket from Sudco | |||||||||
| Installed new needle retainer bolts (replaced flat head with hex) | |||||||||
| 8/14/2005 | 200 | 110 | 1st | 110 | 48 | 1.0 | Y | 95d | Didn’t get to tune much since I had a fuel pump short and the fuel pump |
| kept quitting - CCS Race - horrible in pits | |||||||||
| 9/11/2005 | 200 | 110 | 1st | 1 1/8 | 48 | 1.0 | Y | NA | Installed Slow Air Screws by drilling air cleaner adapters and trimming and installing Sudco gasket between air cleaner adapters and carbs |
| Cleaned tank - took apart petcock and repositioned into "reserve" | |||||||||
| Disconnected Accel Pump - ran like crap - reconnected | |||||||||
| Adjusted Accel pump tab upwards to lesson amount of accel pump fuel - got rid of burble when throttle is opened quickly | |||||||||
| 9/16/2005 | 200 | 110 | 1st | 3/4 | 48 | 1.0 | Y | 92d | Adjusted SAS and the throttle is much crisper and responsive at low rpms |
| Baseline for Barber trackday | |||||||||
| 9/19/2005 | 200 | 110 | 1st | 3/4 | 48 | 1.0 | Y | 90d | Worked great with 200 laps of testing! Low end is ridable in pits and top end pulls strong. If rpms are always above 11k, no problems. Slightly rough from 8k-11k, but can handle even with really good lean angles |
| 10/11/2005 | 200 | 110 | 1st | 3/4 | 48 | 1.0 | Y | 80d | Installed new throttle and cable - Baseline for 2005 GNF |
| Worked great - ran 1:43.2 at Road Atlanta! No adjustments made - more power than at Barber track day (hmm . . . maybe 110 is still too rich at high o.a.t.) - had to tape radiator because the bike ran at 145d - after two strips at bottom it ran 185d | |||||||||
| 11/12/2005 | 200 | 110 | 1st | 3/4 | 48 | 1.0 | Y | 65d | TGPR Trackday - ran well but seemed a little down on power |
| 12/1/2005 | Installed new yosh exhaust | ||||||||
| 12/20/2005 | 200 | 110 | 1st | 3/4 | 48 | 1.0 | Y | 70d | Baseline for Dyno Tuning - VP U2 Fuel |
| 12/20/2005 | 200 | 108 | 1st | 3/4 | 48 | 1.0 | Y | 70d | Too lean |
| 12/20/2005 | 200 | 112 | 1st | 3/4 | 48 | 1.0 | Y | 70d | Too rich |
| 12/20/2005 | 200 | 110 | 1st | 3/4 | 48 | 1.0 | Y | 70d | Most power and drivability - end of dyno tuning |
| 2/11/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 40d | TGPR Changed needle clip to eliminate mid corner mid throttle stumble due to new Yosh exhaust |
| 4/27/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 75d | Nashville - excellent |
| 5/5/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 80d | Barber - excellent except for a main jet came unscrewed |
| 6/3/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 85d | TGPR Track day - Slight sputter at 10k - sputter started when I refuelled |
| bad fuel? Got better when I cut it with some pump gas but bike was running hot | |||||||||
| Hard to pull out of pits - need to mess with low rpm <5k settings | |||||||||
| 6/17/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 90d | TGPR - adjusted tab on accel pump again which helped with the 10k stumble |
| 7/1/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 90d | Road Atlanta - worked great on pump gas, but had 10k stumble on U4 |
| 10/1/2006 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 90d | Road Atlanta - blew motor - broke intake camshaft |
| 2/10/2007 | 200 | 110 | 2nd | 3/4 | 48 | 1.0 | Y | 90d | NEW MOTOR - Jetting is good |
| 8/25/2007 | 200 | 110 | 2nd | 1/2 | 48 | 3/4 | Y | 90d | Clean Carbs - new Ontario muffler, existing Yosh headers, new custom mid-pipe |
| 9/8/2007 | 200 | 110 | 2nd | 1 | 48 | 3/4 | Y | 90d | TGPR Tuning - better, but bad stumble on needle |
| 9/8/2007 | 200 | 110 | 1st | 1 1/2 | 48 | 3/4 | Y | 90d | TGPR Tuning - much much better, but still a little rough coming onto the needle |
| 9/9/2007 | 200 | 110 | 1st | 1 | 48 | 3/4 | Y | 85d | Better on the low end in the garage |
| 720/2008 | 200 | 110 | 1st | 1/2 | 46 | 1/2 | Y | 95d | Overflow out of vent - cleaned carbs - replaced valve seat o-rings |
| Brad Duncan ran 112 MJ, 42 SFJ | |||||||||