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The 350 was used up until 04 I believe in some van's for specific use, 2000 in the regular HD's, 98 in the 1500 trucks, 99 in the TAHOE/SUBURBAN, and up until 03/04 in the solid front axle HD set-up's like the U-HAUL trucks. The 6.0 is an updated 350 in a sense. They share many bottem end designs, but they use the cylinder head design that GM came up with for NASCAR and drag racing back in the mid 90's. They use the splayed valve styling with the equally spaced runners. It helped to even out the cylinder balance. GM is known for getting a design and just updating it, not wiping the slate clean and starting over.

Quote:

Originally Posted by THEFERMANATOR (Post 111566)

So, in your opinion, would you say that the 6.0 is as good as the 5.7 or maybe even better. I realize the there may be other issues here, such as EPA, etc..

BTW, I have a 1978 Vette with a 350/190hp that only get 12mpg and a 1997 Silverado that gets 18/21mpg. All this new stuff that I can't work is more efficient.

that 6.0 is a great motor, I would love to put one in my '72. But for what it cost to get it to work, I'll stick with what I got. Hot Rod magazine just did an article on a 6.0 build up, they made a bunch of power, but it cost$$$$$$

Quote:

Originally Posted by spareparts (Post 111582)

Would it be feasible to drop a 6.0 crate motor in my 5.3 Suburban? I have the Castech heads and did have a leak which sealed up with Bars Leaks but I gotta think I lost some engine life.

Quote:

Originally Posted by Monkey Butler (Post 111596)

Would it be feasible to drop a 6.0 crate motor in my 5.3 Suburban? I have the Castech heads and did have a leak which sealed up with Bars Leaks but I gotta think I lost some engine life.

The major hurdle with the 6.0L in your SUB would be the transmission. The 4L60E isn't redily up to the par of a 6.0 in stock form. The 5.3L has proven very hearty as well though.

Quote:

Originally Posted by DaveDownSouth (Post 111569)

So, in your opinion, would you say that the 6.0 is as good as the 5.7 or maybe even better. I realize the there may be other issues here, such as EPA, etc..

I personally really like the 6.0L. I have a friend with an 05 that has close to 175K on the clock with minumum issues. The 6.0 will really scream up high to:happy:. It's a bit different compared to the grunt that the old 350 could produce, but does have some good power. On one of the forums I go to they compared the 6.0 to the old 454, and the only downside to the 6.0 that was talked about was that it was a higher RPM engine. It takes some getting used to for the different RPM range, but it sure is a stout little V8.

Quote:

Originally Posted by THEFERMANATOR (Post 111613)

The major hurdle with the 6.0L in your SUB would be the transmission. The 4L60E isn't redily up to the par of a 6.0 in stock form. The 5.3L has proven very hearty as well though.

I personally really like the 6.0L. I have a friend with an 05 that has close to 175K on the clock with minumum issues. The 6.0 will really scream up high to:happy:. It's a bit different compared to the grunt that the old 350 could produce, but does have some good power. On one of the forums I go to they compared the 6.0 to the old 454, and the only downside to the 6.0 that was talked about was that it was a higher RPM engine. It takes some getting used to for the different RPM range, but it sure is a stout little V8.

Thanks for the reply. I know that someday I might have to replace the old girl and I was wondering what I have watch out for. A friend of mine was looking at low mileage/couple yr old trucks and I kept seeing the 6.0 and wondered what happened to the 5.7. When the time comes, I won't be afraid of the 6.0.

BTW, I know several people that have bought 06, 07 and 08 Duramax with reviews from "mileage not what they were led to believe" to "best vehicle I've ever owned". Of course if one pays 50k+ for a vehicle, it's hard to objectively evaluate it. Even a used one is out of my price and/or need range.

My brother has a 2001 GMC 2500 4x4 with the 6.0 and gets 12 to 14 mpg But its a great motor at 155,000 so far.

I've been following this thread with interest. I've always had dodge PU & vans since the old slant six days, my current truck is 95 dodge (5.9) with 215,000 miles. no engine problems, just a tranny at 125,000. we bought a 02 tahoe with 85,000 miles 2 years ago for my wife(tired of the minivan) i love that truck, first chevy i have ever owned. i am currently looking for a new work truck & it will be a chevy. I can't believe the difference in gas mileage alone.

Dodge has always been a gas hog!! I use to uise Dodge Van's for my cleaning Co. But ha chevy's for my personal car.

I started out as a kid with Fords, then went to Dodge, then back in the 80's Chevy. But in between when I was poor it was anything that goes!! I have had them all!! and I mean all!