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Location/Event: 20-March @ Firebird International Raceway - West Track... NASA AZ event... ~75F... "Big Bore" Time Trial / Race group Recent mods: Full cage and a/c delete Wheels & Tires:
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03-21-2010, 12:56 PM
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#1 (permalink) |
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A True Z Fanatic
Join Date: Jan 2009
Location: GSO
Posts: 2,803
Drives: VIR
Rep Power: 189   |
Location/Event: 20-March @ Firebird International Raceway - West Track... NASA AZ event... ~75F... "Big Bore" Time Trial / Race group
Recent mods: Full cage and a/c delete Wheels & Tires: Forgestars + Hoosier R6 Sponsors: Lou Fusz Nissan, Redline Motorsports, Forged Performance I am gaining time at this track. Previously, my best time was just under 1:08. Last week I ran in high 1:04s. Yesterday I ran in the low 1:04s. The fastest times were in the morning sessions and unfortunately I didn't get very many 'clean' laps. I think I could have been in the 1:03s with an ideal lap. I was third among 6-7 for my group, behind Tage Evanson (Honda) at 0:59.5 and also the NASA chief driving instructor (Corvette) at 1:03.5. I have some plans to help close some of the gap but I think Tage's new course record will stand for a long time to come! It is a full 2 secs faster than his old course record, and faster than any of the classes above "TTS". Mechanical issues: you will see fuel starvation kick in at 1:40 ish of video... also brake temps continue to be an issue, according to the new temp paint I'm using temps were over 560C... no ABS 'ice mode' fortunately... Hoosiers definitely prefer to be run at 38-40 hot - I tried lower pressures and that didn't work out... SRM was inop for this event, I think it would have saved time so need to get that fixed VIDEO NOTE: wasn't able to get traqmate working properly yesterday, so vid only no traqmate overlay Last edited by travisjb; 03-21-2010 at 01:05 PM. |
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03-21-2010, 07:43 PM
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#2 (permalink) | |
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Track Member
Join Date: Nov 2009
Location: Oklahoma
Posts: 876
Drives: 370z
Rep Power: 17 |
sick video, I love all the videos you post, please keep doing this so I have something to watch late at night
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2010 Mag Black, 6MT, |
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03-22-2010, 10:30 PM
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#3 (permalink) |
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Base Member
Join Date: Jul 2009
Location: California
Posts: 159
Drives: 09 Black 370z
Rep Power: 17 |
Nice vids, Travis. I'm with you on the fuel starvation issue. I've been experiencing the same thing at the track and I'd still have a 1/3 of a tank left over before the engine cut out. I know it's not a huge problem unless you're racing, but constantly filling up is bugging me. I'm thinking about replacing parts of the fuel system like a walbro pump, 440cc injectors, and other parts. Problem is that I'm not very experienced with fuel starvation, but I'm familiar with fuel systems in general. I put a better fuel system in my old 2007 Impreza WRX STI, but that car never suffered from fuel starvation like this, so I'm not sure how much of a difference different parts will make...I dare not put a swirl pot or surge tank in my car (KABOOM), so I'm just not sure what to do.
BTW: Would you recommend the Hoosier R6s or are there other tires that would be good track/race tires |
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