4L80E C-4 trans upgrade

grumpyvette

Administrator
Staff member
4l80e install in a c4 vette info
http://jobyteknik.homeip.net/corvette/2003-10-13_4L80E/

http://www.joby.se/corvette/mods/2004-12-26_4l80/

http://www.ckperformance.com/resources/ ... NENTS.html

http://www.transmissioncenter.net/4L60E ... E_Swap.htm

http://www.transmissioncenter.net/4L60E_to_4L80E_Swap.htm


there ARE several suppliers of adapter tail housings for the conversion of a much stronger 4l80E transmission to the C4 corvettes C-beam support
4l80etail.jpg

cross_member.jpg

84_96_corvettedriveshaft.jpg

swapping to a MUCH STRONGER 4L80E trans in a c4 vette

well worth reading thru

viewtopic.php?f=71&t=666
 
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GM4L80E PARTS LIST FOR MID 9 SECOND BUILD

http://ckperformance.com/resources/GM4L ... BUILD.html

http://www.ckperformance.com/resources/ ... NENTS.html

http://www.monstertrans.com/store/produ ... Stall.html

http://www.monstertrans.com/store/categ ... let/4L80E/

http://www.summitracing.com/parts/HUP-2 ... refilter=1

http://www.converter.com/vigilante.htm

http://www.trnw.net/z-search/4L80E.php
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This parts list should help anyone that is looking to compile the right parts for building a GM4L80E for mid 9 second et's.In most applications this is what will work.It is not meant to be the absolute authority on the trans,just to answer this commonly asked question so you have a direction to go in with the project



5 or 6 Borg Warner Hi Energy forward clutches.
5 or 6 Borg Warner Hi Energy direct clutches.
4 Borg Warner Hi Energy intermediate clutches.
Stock steels,preferably the original Intermediate wave plate for 2nd gear.
Aluminum clutch pistons for the forward and direct clutch packs
A 34 element sprag and direct clutch drum with spiral retaining ring.
An E4340 steel billet input shaft
A billet forward clutch hub ,fitted with roller bearing if possible.
A torrington bearing installed between the output shaft flange and case.
Resin washer to be installed between the planetary carriers.
Graphite seal rings for the pump and center support.
A complete set of end play washers.
A complete set of bushings.
A new # 22 thrust bearing.
A quality gasket and seal kit.
 
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