4l80E Transmission - The 1947 - Present Chevrolet & GMC Truck Message Board Network

77GMCTruck · 11-08-2007, 04:46 PM

I have decided to swap out my TH-350 Trans in the truck and get a 4L80E to put in it's place. I was curious as to what everyone would recommend (I want to buy new) that would handle towing a muscle car (probably my brother's Shelby) and that when I did get ready to modify the engine a bit I wouldn't have to modify the transmission.

I am thinking at some point I'd want 350-400 hp and around 300+ Torque.

Any suggestions and help would be appreciated.

I can't do anything till after Christmas but I did see that Bowtie Overdrives offers a 4L80E for 2k that will handle over 500 hp. Just curious as to other options.

11-08-2007, 04:46 PM	#1
77GMCTruck Registered User Join Date: Sep 2007 Location: Birmingham, Alabama Posts: 87	4l80E Transmission I have decided to swap out my TH-350 Trans in the truck and get a 4L80E to put in it's place. I was curious as to what everyone would recommend (I want to buy new) that would handle towing a muscle car (probably my brother's Shelby) and that when I did get ready to modify the engine a bit I wouldn't have to modify the transmission. I am thinking at some point I'd want 350-400 hp and around 300+ Torque. Any suggestions and help would be appreciated. I can't do anything till after Christmas but I did see that Bowtie Overdrives offers a 4L80E for 2k that will handle over 500 hp. Just curious as to other options.

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