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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

towing with lt1

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Old Oct 5, 2012 | 01:51 PM
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BRKLYNZ28's Avatar
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i have a jeep cj7 that i installed a lt1 5.7 auto from a roadmaster that i use to tow around trailers and a use as daily driver.. The weird thing is i can get 11 mpg just driving to work and were ever but when i drive with a large trailer i get 20mpg... at the swap meets we all try to figure out what gives as it been doing that for the 10 years i have done the conversion.. gearing is 4.56 with built 4l60e..there are no overdrive problems or anything. all i can think is driving habbit ... what do you think?
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Old Oct 5, 2012 | 02:13 PM
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That doesn't really make any sense. 9 mpg better while towing?
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Old Oct 5, 2012 | 02:27 PM
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i know thats why i ask... i use the gas receipts so its right... we where also thinking from the weight it brings down the rpms and thats why i get better mpg..
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Old Oct 5, 2012 | 02:38 PM
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Not something I would complain about but maybe you have some sort of perpetual motion device.
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Old Oct 5, 2012 | 02:53 PM
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Almost has to be something screwedup in the tuning combined with driving habits.
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Old Oct 5, 2012 | 02:53 PM
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I would weld that trailer to the car.
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Old Oct 5, 2012 | 03:23 PM
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Could it be that when you're towing youre driving further and less inclined to be a lead foot? Example: all highway driving vs. Around town everyday stuff?
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Old Oct 5, 2012 | 08:15 PM
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yea i was going to weld the trailer on but finding parking would be a killer in nyc lol... im not complaining just wanted to share this crazy thing that happens..
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Old Oct 5, 2012 | 08:55 PM
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Expect a phone call from an oil company representative, the Department of Energy, and the ghost of Billy Mays.
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Old Oct 6, 2012 | 12:16 AM
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How about some details on your driving habits. How you accelerate, cruising speed, etc., for each situation.
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Old Oct 6, 2012 | 08:22 PM
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Could the shift points be off? maybe it is shifting to early when hooked to a trailer it drags the shifts out longer.

How does that tow with that short wheel base?
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Old Oct 8, 2012 | 10:41 AM
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Are you comparing all city driving to work to towing with a trailer on the highway?
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