Thread: Anybody have BSFC d16y7? (96-00 civic dx lx)
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Old 06-05-2016, 08:39 PM   #16 (permalink)
California98Civic
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Join Date: Mar 2011
Location: Coastal Southern California
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Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
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Quote:
Originally Posted by hayden55 View Post
I don't have a GPS but I used a Tremec gear calc and heres what's odd:
Speedo and RPM read ~74-75mph and ~3150ish rpm which is clearly wrong as im traveling 70mph.
From tremec's website the car should spin 2960rpm at 70 and sure enough with no offset, the scan gauge read 70mph @ 2960rpm. So goofy gauges, but the obd2 signal to the scan gauge is 100% correct.
You are saying that Tremec told you 75 mph and the OEM speedometer read 70mph and the scan gauge read 70 mph? If so, you have your Scangauge speed reading calibrated, but the car might be giving your gauges incorrect information because of tire/wheel size. What size wheels/tires are you running?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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