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Rotary Tech - General Rotary Engine related tech section.. Tech section for general Rotary Engine... This includes, building 12As, 13Bs, 20Bs, Renesis, etc...

 
 
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Old 01-30-2012, 09:54 AM   #7
sa22c
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sa22c RX-7
Stock block 12A
Stock 12A gearbox
Stock 12A diff with 3.6 final drive and LSD
Garrett T04B - Vtrim
Series 5 Hitachi turbine and housing (no back cut)
1.4 Bar off the spring

121mph 1/4 mile terminal speed, 2600lb as raced

13psi available @ 3000rpm
19psi available @ 4000rpm

Gets loose in 2nd gear with 3.6 final drive, LSD and new Yokohama Advan A048 205 50 R15 R-Compound semi slicks.

Dyno's are shit the low rpm boost response looks nothing at all like that on the road (but the top end drop off is real), infact its 10 times better on the road. Power curve on the dyno sheet has exact same shape as the secondary injector duty cycle (orange trace in attachment).
Attached Images
File Type: jpg 12at.jpg (17.1 KB, 12 views)

Last edited by sa22c; 01-30-2012 at 09:57 AM.
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