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poptopclk · 06-22-2014, 01:19 AM

I've read a lot of your posts. Thanks for all the good postings. You'd be my tuners if ya weren't 3000 mi away.

I've been seriously considering the JR SC, 285 HP at the wheel looks tempting.

Was ready to order, sent Jackson Racing an email asking for some specific details and they didn't bother to even reply!

[FWIW Shiv's guys responded in a few hours, (customer service is very important to me)]

"147 stock, 171 with Jackson Racing Supercharger in CARB trim"

I'm no physics professor, but I can't wrap my mind around the thought that 100 extra HP only nets 24 Mph at top end.

I've heard law of diminishing returns, but this is a shocker. Is it aerodynamics or gearing? or have I missed something?

06-22-2014, 01:19 AM	#15
poptopclk Member Join Date: May 2014 Drives: Scion FR-S 10 Series Location: Ft. Lauderdale FL Posts: 67 Thanks: 1 Thanked 26 Times in 16 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	@ CSG I've read a lot of your posts. Thanks for all the good postings. You'd be my tuners if ya weren't 3000 mi away. I've been seriously considering the JR SC, 285 HP at the wheel looks tempting. Was ready to order, sent Jackson Racing an email asking for some specific details and they didn't bother to even reply! [FWIW Shiv's guys responded in a few hours, (customer service is very important to me)] "147 stock, 171 with Jackson Racing Supercharger in CARB trim" I'm no physics professor, but I can't wrap my mind around the thought that 100 extra HP only nets 24 Mph at top end. I've heard law of diminishing returns, but this is a shocker. Is it aerodynamics or gearing? or have I missed something?