10-12-2011, 11:21 PM
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CC Member
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Join Date: Sep 2009
Location: Camarillo,
CA
Cobra Make, Engine: SPF #2608, Roush 427SR T-W
Posts: 911
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Not Ranked
I autocrossed last summer with 3.46 Rear in first and second gear never shifting. I had better times staying in 2nd gear start to finish. I have 335/35 ZR 17" tires. My TKO 600 has a 2.87 first and 1.89 2nd. I do a pretty low speed circuit. The dyno curve says I've got over 400 ft-lbs at 2,800 RPM. I don't think I had any bogging problems. At 6,000 RPM I'll be going 47 MPH in first and 72 in 2nd gear. I thought 450 HP would spin the tires in any gear. Surprised you are bogging down in second gear. Is the carb starving in a corner? I've had some of that problem, but it doesn't slow me down much.
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