Scored a 4L80E today - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Musclerodz · 06-02-2007, 11:21 PM

Made the trade with a buddy a couple weeks ago, but did not get it till today. It is a 2wd unit I will have to change the tail shaft in and then bend over hard and buy the Advanced Adapters 205 adapter kit. I have thought about modifying a TH400 to work, but by the time I spent the time and money piece mealing it, it is not that much more to just buy the kit. Anyways, no worries now with a weak transmission driving a 400 hp LT-1, posi 3.73 rear with 325-18 (33") tires. I will be posting pics once the front driveline is in a engine/tranny is mounted.

Mike

**special-K** · 06-03-2007, 10:52 AM

Sounds cool.I`m curious what it would take to mount a figure"8"mount NP205 to a 4wd 4l80e that had a NP241 behind it.Am I good to go?Or,are shafts/splines different?

vtblazer · 06-03-2007, 04:34 PM

Did you get the computer as well?

Or going stand alone system?

Musclerodz · 06-03-2007, 06:06 PM

Quote:

Originally Posted by vtblazer

Did you get the computer as well?

Or going stand alone system?

Going stand alone TCI unit.

Musclerodz · 06-03-2007, 06:08 PM

Quote:

Originally Posted by special-K

Sounds cool.I`m curious what it would take to mount a figure"8"mount NP205 to a 4wd 4l80e that had a NP241 behind it.Am I good to go?Or,are shafts/splines different?

You will have to use a TH400/205 mount and do some parts hunting and machine work, or go buy the unit I am and be done with it.

Mike

06-02-2007, 11:21 PM	#1
Musclerodz Senior Member Join Date: Aug 2005 Location: OKC, OK Posts: 2,364	Scored a 4L80E today Made the trade with a buddy a couple weeks ago, but did not get it till today. It is a 2wd unit I will have to change the tail shaft in and then bend over hard and buy the Advanced Adapters 205 adapter kit. I have thought about modifying a TH400 to work, but by the time I spent the time and money piece mealing it, it is not that much more to just buy the kit. Anyways, no worries now with a weak transmission driving a 400 hp LT-1, posi 3.73 rear with 325-18 (33") tires. I will be posting pics once the front driveline is in a engine/tranny is mounted. Mike __________________ Mike Redpath

06-03-2007, 10:52 AM	#2
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Scored a 4L80E today Sounds cool.I`m curious what it would take to mount a figure"8"mount NP205 to a 4wd 4l80e that had a NP241 behind it.Am I good to go?Or,are shafts/splines different? __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

06-03-2007, 04:34 PM	#3
vtblazer Registered User Join Date: Oct 2003 Location: Central Vermont Posts: 8,537	Re: Scored a 4L80E today Did you get the computer as well? Or going stand alone system?

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