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Rich Biebel · 08-07-2015, 08:08 PM

http://www.hotrod.com/features/1506-...n-big-brother/

I did not think an 8.1 had aluminum heads. The above article says Iron heads and basically just a somewhat redesigned 454......and a very heavy engine..

My buddy had one in a pickup and it had tons of torque and power.
Fuel mileage was not good.
I had a 96 GMC 7.4 Vortec when he had his 8.1....and I drove his home from Maple Grove once. His truck had more low end power than mine for sure....

08-07-2015, 08:08 PM	#3
Rich Biebel VIP Member Join Date: Jun 2007 Location: Northern New Jersey suburbs Posts: 2,314 Likes: 25 Liked 544 Times in 213 Posts	Re: Tow Vehicle Question http://www.hotrod.com/features/1506-...n-big-brother/ I did not think an 8.1 had aluminum heads. The above article says Iron heads and basically just a somewhat redesigned 454......and a very heavy engine.. My buddy had one in a pickup and it had tons of torque and power. Fuel mileage was not good. I had a 96 GMC 7.4 Vortec when he had his 8.1....and I drove his home from Maple Grove once. His truck had more low end power than mine for sure.... __________________ Rich Biebel S/C 1479 Stock 147R