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12-04-2010, 02:45 PM
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#1 |
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Registered User
Join Date: Sep 2010
Location: Norwell, MA
Posts: 10
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4L80E question
Want to install in 68 GMC. Can anyone tell me what computer controller is needed?
Thanks |
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12-04-2010, 02:49 PM
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#2 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: 4L80E question
Good question, what engine do you have? Hopefully someone else will chime in with more info.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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12-04-2010, 02:51 PM
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#3 |
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Registered User
Join Date: Sep 2010
Location: Norwell, MA
Posts: 10
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Re: 4L80E question
350 crate, soon to be replaced w/ 355/450 hp.
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12-04-2010, 02:53 PM
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#4 |
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Registered User
 
Join Date: Oct 2010
Location: Buckeye Arizona
Posts: 470
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Re: 4L80E question
was thinkin bout one for the ol Camper Special.
327 here, then again almost all Chevy motors have the same bell housing pattern |
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12-04-2010, 04:56 PM
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#5 |
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Registered User
Join Date: Jan 2010
Location: Elgin Mn
Posts: 112
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Re: 4L80E question
I have a baumann electronics box. 100% programmable. They have updated it now, not sure if you can get the old one or not yet, I think I got one of the last. Not sure I would need it to do anymore than it does. i was a bit scared not being a tranny guy and all, but their customer service is second to none. They took as long as I needed to understand what I screwed up
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In the beginning of a change, the patriot is a scarce man, brave hated and scorned. When his cause succeeds however, the timid join him , for then it costs nothing to be a patriot. I am a revolutionary...so my son can be a farmer...so his son can be a poet. If there must be trouble, let it be in my day, so my child may have peace... 72 short step w/ 388 /4l80e/ and 3.08 gears. |
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12-04-2010, 09:26 PM
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#6 |
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Active Member
Join Date: Oct 2006
Location: Ohio
Posts: 1,643
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Re: 4L80E question
I understand the Baumans are the ticket.
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1968 SWB 454 + .040, 490HP x 540 FT pounds of Torque 10-1 Kb Forged pistons, recon rods w/ ARP wave loc bolts 781 heads Ported with 2.19/1.88 SSTvalves Lunati 60204 cam, Micro Trol lifters, Ported Edelbrock Performer Rpm manifold armor coated, Pertronix Triple Strike Ignition Holley 770 Street Avenger carb,Headers armor coated Built by Watson Ruppel Performance in Sarahsville Ohio. Hardshift Tranny Built Turbo 350,TSI 10" 3000 stall 12 Bolt Eaton Posi 4.10 Richmond Gears moser axles  18.5" x 31" Hoosier Pro Street Radials  ET Classic 5 Wheels - polished Power Steering, Power Brakes,Disc Brakes,Tach & Gauge Dash, Tilt,Factory Air (gone) Custom Paint & Body Work Special thanks to my wife, my son and my money tree 
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12-04-2010, 10:51 PM
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#7 |
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Got big-block?
Join Date: Jul 2000
Location: Austin, Texas
Posts: 2,453
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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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12-04-2010, 11:34 PM
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#8 |
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Registered User
Join Date: Feb 2009
Location: minonk illinois
Posts: 224
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Re: 4L80E question
I just sold one from a 91 diesel that is said to work for your conversion,I got 150 for the ecm and wiring
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