Getting difficult again though John,
Certain material changes? Why do we "need" to change materials?
Surely if it lasted for 60 years in the original material it will last another if we make it in the same material?
How do we know the original weight?
the pre-war 750 GP formula was 750 kg but a lot of cars were weighed without fuel, oil, water and Wheels believe it or not! do we allow a GP car of 750kg all up weight? when it probably wasn't even under 1000?
God knows how we sort this mess out without just having "play fair" rules and guide lines policed by each other.
J
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