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420A Drivetrain Tech Transmission, clutch, flywheel, driveshaft, gears, differentials, transfer case, shifter, etc - specific to 2G N/T DSMs.

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Old 11-03-2009, 06:47 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #1 (permalink)
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From: horn lake, Mississippi
Registered: Jul 2009
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neon vs eclipse tranny..which has better gearing

iv done my resaerch on the difference between the neon and eclipse tranny's. However i have yet to come across this question. My friend has an 02 neon tranny that he is giving me for free. Its got about 75k on it. I know it will bolt up to my rs but i was wondering which one has better gearing for my driving style. I have a 95 rs that is my dd. I hate going on the highway because at 70mph its at about 3000 rmp in 5th gear. This is a little high revved for my taste. So my question is:
Is the neon tranny for cruise friendly? I would like to lower my rpm at any given speed compared to the eclipse tranny. I've looked at the final drive ratios to both trannys and i honestly don't know what they mean. So i would like someone to just give me a definate answer.
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Old 11-12-2009, 10:45 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #2 (permalink)
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does anyone know the equation for final drive ratios and tire sizes that let you know your rpm at a given speed?
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Old 11-12-2009, 11:01 AM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #3 (permalink)
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From: East Hampton, Connecticut
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Damnation, I thought I posted to this, lol.

Anyway, the tranny you have is probably a 3.55 (check here: http://www.neons.org/forumdodge/trans.htm to verify). This is kinda an opinionated situation.

I had the 3.55 in my daily NA eclipse for several thousand miles. The engine that was in there was a 10.5 comp engine, but other than that pretty close to stock. I didn't like the 3.55 because it was so "doggy". I ended up driving around in 4th most od the time. highway cruising was right around 2300-2400rpm @70mph. But it was too much of annoyance to me.

BUT some people liked it in their daily. So go figger.

Now, you might have the 3.94 with the .81 in there. That's what we have in our eclipse's.

As for the formula, I had ti at one time. Its on the internet somewhere, just google it up.

MB


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Old 11-12-2009, 03:33 PM Show Printable Version Show Printable Version   Email this Post to a Friend Email this Post      #4 (permalink)
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thanks alot man i appreciate it
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