Eritas
Well-Known Member
What lightweight suspension components? Bigger wheels = more weight. Bigger tires = more weight. Bigger brakes = a lot more weight. Making almost 300hp more means it's going to make a lot more heat, so it will likely need a bigger radiator, engine (oil cooler), trans and diff coolers than the GT350 if it's not going to overheat in a lap. A larger radiator, engine oil cooler, and especially brakes are more factors that can easily push it over 4,000lbs. I don't think your diff and trans coolers are correct estimates with fluids, pumps, and sized large enough to prevent the car from overheating.It isn't 400 lbs more, especially with lightweight suspensions components, hood. Wheels and tires will be near a wash being forged 20" (4 PP rear wheels are HEAVY, plus there was 1" spacers all around with that). Trans 80 lbs more, diff cooler 20 lbs, trans cooler another 10-15. Not sure what you mean by 'engine', as that car already has a 2.9L Whipple system. Around 3950 is realistic.
There's too many differences between a base GT and a GT500. Having the weight of a whipple'd GT350 would be far more telling since the weight increase would be less and the body closer to the same due to the GT350 already having cooler and big brakes.
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