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2000 gmc sierra classic k2500 7.4L

2000 gmc sierra classic k2500 7.4L

  
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2000 gmc sierra classic k2500 7.4L

 
kalebeburnett kalebeburnett
New User | Posts: 1 | Joined: 01/14
Posted: 01/19/14
04:23 PM

picked up a 2000 GMC sierra 2500 classic crew cab short box with blown reverse, all other gears work, what is the normal cause of this and what kind of price tag am i looking at for parts me and my dad should be able to fix it ourselves. also has anyone done a dual fuel propane conversion on a vortec 454? propane is cheap so i want to convert it to make driving the truck cheaper but i want to do a dual fuel because in Alberta it gets cold in the winter and propane engines don't like starting in the cold. i guess also what tuners are there for these trucks? any help is greatly appreciated  

wayne712222 wayne712222
New User | Posts: 4 | Joined: 09/13
Posted: 01/21/14
08:03 PM

on the transmission..   that could have a 4L80E or 4L85E..  or the allison version..


the cheep way out is to replace the transmission with a good used one.. saving the original.. so you can find a rebuilder at a later time to pass it over the counter.. to get it rebuilt..

the 4L80E is a modification of the TH400... so its a strong transmission..

warning..  you can call transmission shops and they will tell you sure we can fix it.. that is a trick.. they get it on their rack.. drop the transmission.. take it apart.. say it cannot be fixed.. you need a complete rebuild at *** more..  so be careful..

there are several truck magazines on this site.. that cover some of the rebuild issues with the 4l80E and the allison..

here is a search that might help.

http://www.8-lug.com/sch/02/4l80e/articles/?SearchSource=Group



as for the propane conversion.. that i don't know about..  its probably NOT going to be CHEEP unless you can find a complete duplicate truck to remove EVERYTHING From..  

pay back might be a LONG time unless you drive a LOT of miles..  

wayne712222 wayne712222
New User | Posts: 4 | Joined: 09/13
Posted: 01/21/14
08:03 PM

on the transmission..   that could have a 4L80E or 4L85E..  or the allison version..


the cheep way out is to replace the transmission with a good used one.. saving the original.. so you can find a rebuilder at a later time to pass it over the counter.. to get it rebuilt..

the 4L80E is a modification of the TH400... so its a strong transmission..

warning..  you can call transmission shops and they will tell you sure we can fix it.. that is a trick.. they get it on their rack.. drop the transmission.. take it apart.. say it cannot be fixed.. you need a complete rebuild at *** more..  so be careful..

there are several truck magazines on this site.. that cover some of the rebuild issues with the 4l80E and the allison..





as for the propane conversion.. that i don't know about..  its probably NOT going to be CHEEP unless you can find a complete duplicate truck to remove EVERYTHING From..  

pay back might be a LONG time unless you drive a LOT of miles..  

wayne712222 wayne712222
New User | Posts: 4 | Joined: 09/13
Posted: 01/21/14
08:04 PM

on the transmission..   that could have a 4L80E or 4L85E..  or the allison version..


the cheep way out is to replace the transmission with a good used one.. saving the original.. so you can find a rebuilder at a later time to pass it over the counter.. to get it rebuilt..

the 4L80E is a modification of the TH400... so its a strong transmission..

warning..  you can call transmission shops and they will tell you sure we can fix it.. that is a trick.. they get it on their rack.. drop the transmission.. take it apart.. say it cannot be fixed.. you need a complete rebuild at  more..  so be careful..

there are several truck magazines on this site.. that cover some of the rebuild issues with the 4l80E and the allison..





as for the propane conversion.. that i don't know about..  its probably NOT going to be CHEEP unless you can find a complete duplicate truck to remove EVERYTHING From..  

pay back might be a LONG time unless you drive a LOT of miles..