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02-23-2019, 07:04 AM
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#1 |
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Registered User
Join Date: Jul 2017
Location: Greensboro, Georgia
Posts: 40
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6l80 or 4l80
I have found a nice low mile 6l80/4.8 combo for a great price. I was wondering with my 4.10 gears would the 6l80 be fine with such a low first or should I go with a 4l80. The truck will not be raced often just a decent cruiser but would like to run down the strip every now and then. Can first be locked out?
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1968 C10 2WD LONG BED |
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02-23-2019, 11:00 AM
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#2 |
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Account Suspended
Join Date: Jun 2015
Location: No longer here
Posts: 1,000
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Re: 6l80 or 4l80
You can mod the 6l80e TEHCM for 2nd gear starts along with a transbrake if you like. It only costs money.
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02-23-2019, 11:02 AM
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#3 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: 6l80 or 4l80
http://www.grimmjeeper.com/gears.html
click this . then click the little white arrow and select trans . leave t-case and under drive blank . then click and enter axle gear and tire size . scoll around after the tire size and see the results . and any white box value can be clicked and changed . i use this all the time and its the best one i have found . 4l80-e is just a th400 with lockup and overdrive gear basicly . i would pick a good clean 6l80 or 90 trans for a better selection of gear ratios and lower overdrive .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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