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08-14-2016, 09:37 PM | #1 |
Registered User
Join Date: May 2016
Location: Copperas Cove, TX
Posts: 17
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Old School vs. New School Differential Gearing
So, I have a question as far as Rear Differential Gearing.
Background: I currently have a 1972 C10, 350 SBC (1992 crate engine), 700r4 Auto Trans (1992), 3.73 gears (we think), long wheel base. I have a 2007 Ford Edge with a V6. I have a quicker take off speed with my ford edge and I have a lower/smoother cruising RPM with my ford edge. Question: how can a smaller engine, run smoother at higher speeds (80-90 MPH) than a bigger engine? I know there is a lot of discussion on here regarding rear differential gearing, so why is the current gearing ratios on vehicles today are so much better than the older models? I can run all day long in my Ford V6 at 80-90 MPH, but at 80-90 MPH in my C10, I am worried about messing something up. I do not have a tachometer on my truck, I am just going by sound. Any advise would be greatly appreciated. I am looking at my next purchase to be gearing if I decide to change it.
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1972 C10, LWB, 5.3 / LM7, 4L60e |
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