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Originally Posted by sihondasracer
i got a intesesting ?...i have to offers on my hands.a JDM b16A, or , a USDM B18C1.? help me decide?
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Go with the USDM B18C1. Assuming the JDMB16A is gen 2 (92+) and not a 1t gen (88-91), the GSR has a little more HP 170 @7600 vs 168 @7800, if it's 1st gen JDMB16A (88-91) then its 170 @7600 vs 158 @7600. However, the GSR has more Peak torque, and it achived Peak torque at a much lower RPM (128 ft/lbs of torque @ 6200 RPM vs 116 ft/lbs @ 7300 RPM). Low-End Torque rules the streets, and the GSR motor hits a higher peak torque at a much lower RPM. It takes the B16A 1100 RPM's higher to achive it's peak torque, and its still 12 ft/lbs less. At the time when the GSR hits its peak torque at 6200rpm, the B16A has much,, much less torque. As for abilty to spool the motor high, the B16A's redline is at 8500, and the GSR at 8100. Basically, the GSR is a better base motor to start building on due to the far greater low-end torque, the higher peak torque output, and the greater displacment. Remember, there's no replacement for displacment. You get all the benfits above, plus tad tad more HP. Also, when it comes to Forced Induction, when a low C/R is best, the GSR also has a slightly lower C/R, 10:1 vs 10.4:1.