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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 04-13-2013, 07:04 PM   #18
Rotary Evolution
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that calculator is bogus, the figures are too high for rotary engine applications. perhaps it was carried over from piston engine calculators.

stock 550's good for 262whp at 85% duty? i don't think so.. it also claims FD 550/850's would do 342whp at 85% duty? right.

and i'm not sure why i have to keep repeating this, a turbo S5 engine does not guarantee a thick cast rear iron. they are actually quite rare even on j-spec blocks. if you wind up being unlucky and get the thin cast i would suggest studding the engine or keeping the power levels reasonable(sub 300whp) until it needs to be rebuilt and then reinforce it.
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