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#26 |
Registered User
Join Date: Sep 2012
Location: Dallas, GA
Posts: 1,497
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Re: NV4500 trans for a hotrod 292?
Closer ratio, which makes it a little stronger as a result (thus the rating).
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#27 | |
Registered User
Join Date: Apr 2002
Location: Tucson, Az
Posts: 46
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Re: NV4500 trans for a hotrod 292?
Quote:
As you can see from the curves, the worst rpm drop is between 2nd and 3rd at around 1700 rpm. The spread effectively gets narrower with a higher final drive ratio and/or smaller tires.
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1965 C20, 350 cid, '71 front Disc brakes, NV4500 5-spd, 4.10 FF 14-bolt |
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#28 |
Registered User
Join Date: Sep 2012
Location: Dallas, GA
Posts: 1,497
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Re: NV4500 trans for a hotrod 292?
Yeah, 2-3 is the big gap with both the SM420/465 and the later NV4500.
For TJ's hot-rod 292, if he shifts @ 5,000RPM he will be turning only 2,500RPM when he lets the clutch back out--not really my idea of a hot-rod trans. By comparison, take the "wide-ratio" Muncie M20 4 speed I might put in my Impala: 5,000RPM into 2nd = 3,700RPM, into 3rd = 3,800RPM, and into 4th = 3,400RPM. |
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