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Originally Posted by ERA2076
Thanks for the thoughts -
Bob - the 550 are with ERA rear?
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Yes.
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I have a 3.54 rear - not sure how that is going to work - we may need to regear - I am trying to build a bit of a winder, but should end up in the low to mid 400hp.
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A 331 cid/400 bhp engine will probably have peak power at 6500 rpm and be limited to 7000rpm. I would gear it to have peak power in 4th gear at 130-140 mph. That translates to a 3.54:1 dif ratio.
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What is considered a light (ERA) FIA. i.e how much does a well running track FIA weigh? What is the lightest anyone has built?
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With a 351, expect 2350-2500lbs. A bit more if you put a roll cage in. Not many places to remove weight.