Roll racing logs and data.
6266 .84ar, 3 inch dump pipe, 14psi wastegate, 26psi wgdc 70%
Hoosier tyres
3.08 diff
Best mph 106mph 6212rpm
6466 1.0ar, 4 inch dump pipe, 17psi wastegate, 26psi wgdc 25%
Street tyres
4.10 diff
Best mph 114mph 6973rpm
Not sure if I would have got more mph with hoosiers but 100% would have been quicker and safer.
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