
04-12-2005, 05:24 PM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Not Ranked
Gear ratios
Anthony,
I am still working them out, but first I used the Richmond gear optimum calculator to get and idea of different combos. Then used either Smokemup and this one http://www.geocities.com/z_design_st...ion_z28_6.html
With my experience on local race tracks I thought whats the point in having an 85mph second gear and evenly spaced around that when some second gear turns are around 55-60mph and the engine will be off the camshaft, so I am going for a lower set with speeds of:
7000 on 3.27 with 25.6" tires
56
80
106
134
164
Some race guys have second/third/fourth all about 15-17mph apart to accommodate these turns. We used to have an air force base with really high speed corners so it didnt matter so much. Another point I am going to run more of a revver whereas if I went to a 406 race engine ratios would be less of a problem due to lower down grunt.
__________________
A J. Newton
The 1960's rocked!
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