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Re: 4L80E question
I have a TCI controller/harness for the 4L80 behind the 468 in my K25. Before you go with the 4L80, I would suggest you look at a GearVendors overdrive. If I had to do things over again, I would go with the GearVendors unit...it's rated at 1200hp, you get 6 speed, and it's nearly bullet-proof...all for $2500.
I got my 4L80 for $100 from a friend...the hard parts rebuild was $1100...the TCI converter was $500...the TCI trans controller/harness I got used for $800...that's $2500 for 4 speeds and maybe 650hp...not to mention all the headaches with programming the controller. Don't ask about how much it cost to convert it to an NP205 transfer case...milling the t400 adapter...and on and on....
Here's a pic:
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'68 CST SWB factory 396/T400
buddy buckets, a/c, ps, pb
'72 Corvette convertible 454/4spd/ac, ps, pb
'73 GMC Sierra Grande short wide 454/T400 ps, pb, ac
'77 K5 Blazer black on red, 350/T350/NP205 ps, pb, ac all original
'78 GMC Sierra Classic short wide 454/T400 ps, pb, ac
'72 GMC Sprint SP454. 1 of 38 built.
'73 GMC Sprint SP454. 1 of 71 built.
'75 GMC Sprint SP454. 1 of 25 built.
SOLD! '72 GMC K25 4x4 468/4L80e/NP205
build thread
http://67-72chevytrucks.com/vboard/s...23#post4324423
SOLD!'55 Chevy gasser 496/4spd
build thread
http://67-72chevytrucks.com/vboard/s...96#post4324396
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