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1/4 Mile Times For Na 2nd Gen Rx-7s

Old Nov 16, 2003 | 07:43 PM
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Does anyone know any times for non-convertablie RX-7s with the NA 13B engine?
Old Nov 19, 2003 | 06:48 PM
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stock? 86-88 or 89-91
Old Nov 20, 2003 | 08:57 PM
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stock 89-91
Old Nov 27, 2003 | 06:17 PM
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mid 15's, i think 15.4@90 mph, or something around there.
Old Nov 28, 2003 | 01:29 AM
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what type of affect would lightening the car have? Higher trap speed? Faster 1/4 time? Better 60' times?



I ask because aren't the vert's heavier?
Old Nov 28, 2003 | 10:29 AM
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Lighter weight yields a disproportionally lower ET to the trap. With a lighter car, the ET goes down more than the trap goes up.
Old Nov 29, 2003 | 12:37 PM
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14's and 13.7 both 88 Rx7's ported and polished with some bolt ons using the factory ecu.
Old Nov 29, 2003 | 10:59 PM
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How much horsepower over stock can i expect if if street port my na engine, with an exhaust and intake. What is the best intake/exhaust and what other mods could i do to the NA engine?
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