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Drag Racing Discuss Drag Racing here be it dirt or tarmac. Sponsored by Sydney Dragway. |
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22-01-2007, 07:38 PM | #31 | |||
Back on the road
Join Date: Dec 2004
Location: Wollongong, NSW
Posts: 3,205
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Quote:
You can factor that lag into your shift strategy, and with only a little bit of effort, it will be changing gears when you want.
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------------------------------------------------------------------------- AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute 5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor. Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash. |
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24-01-2007, 02:17 PM | #32 | ||
Oops, I slipped....
Join Date: Dec 2004
Location: Adelaide, SA
Posts: 1,861
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Just to get slightly off the original topic here.
If you have a G-Tech Pro RR (or whatever they're called) that can be plugged into a PC, do an acceleration run from low RPM to the redline in each gear and graph the acceleration and speed for each gear. Then overlap the 3/4 lines on a single graph, and look where each gear accelerates less than the next gear (IE the lines cross over), that's where the perfect shift point is.
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1995 EF Fairmont 5.0 Heritage Green - BTR with TCI 2500 stall - Ported E7's - Pacemaker Tri-Y's - 3" Mandrel-bent Lukey Exhaust 1984 XE S-Pack 250 Sno White - LPG - Single Rail - 2.5" Exhaust "Just because you don't understand something, does not make it wrong" |
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24-01-2007, 03:06 PM | #33 | ||
Smile
Join Date: Dec 2004
Location: Merrylands Sydney
Posts: 8,540
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Funny you should say that because I ahve the ss model (same as rr but no download) and its telling me some interesting facts. My peak power rarely hits above 4800rpm.The peak rpm point of a car is dictated mostly by intake and exhaust manifolding.at 4800 rpm peaking power there seems to be something choking airflow and power above this.
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