Re: Show me your 6.2 diesel buildups
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You always like to pick at anything I ever say about anything diesel. /forums/images/graemlins/wink.gifI have read in all the 4wheel drive mags that 450 is the max a 6.2 can take and still be a reliable engine and still serve a long happy life. I doubt the mags are incorrect but I could be wrong.
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You never miss an opportunity to 'slag' the 6.2...so why should I miss the opportunity to respond? It must be tough knowing your 406 doesn't put down as much torque as a NA 6.2 that's stock...
Rene
[/ QUOTE ] I try not to slag the 6.2 if I can help it. My argument has always been that it is a great engine, just a low output motor that is just not designed to put out big power and usually when it comes up it gets compared to a 5.9 cummins and we all know what I think about them. I like the 6.2 and almost bought an '84 K5 with one for a ranch truck. They seem to live long and happy lives under good conditions. I would count on one to get me around with good mileage and worry free miles with moderate loads but not something I am going to kill with at the truck pulls. Or rip a 6 ton trailer up a hill at 55mph. /forums/images/graemlins/thumb.gif I am perfectly happy knowing a 6.2 can make more torque (modified) than my 406 (according to your dyno sheet 272 stock is just shy of my 295 /forums/images/graemlins/wink.gif), it's a diesel. But my 406 makes more HP a lot quicker and spins 5,500 RPM's easily. A mud hole? Give me my high revving 406 gasser. 3 axle gooseneck and my K5 loaded at nearly 6 tons gross? Give me my cummins. /forums/images/graemlins/thumb.gif
Joez's post:
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Thats your problem. "The mags", especially ORA, which had the diesel articles that i assume you are refering too, are wrong all the time.
Like Rene said, its not the bottom end you have to worry so much about, its the EGT's. To acheive 450 ft/lbs with no intercooler makes things get hot, add an intercooler and ill bet dollars to doughnuts that it will live a long and happy life pushing over 500 ft/lbs at the flywheel, as long as you started with a healty engine with a block in good shape.
[/ QUOTE ] I have read 450 in all of the main mags when they have done a diesel comparison and have even read it online. I would love to see a 6.2 put out a respectable say 250HP and 500 ft lbs reliably because that would really make a K5 fly. /forums/images/graemlins/thumb.gif Also it would help simplify motor swaps....instead of having to do a difficult cummins swap in search of big power a guy could get away with a 6.2 with those numbers. A 6.5 isn't the answer either without spending money because I have also read that their injection pumps are basicaly the same thing as the 6.2 and is only good up to 250HP without completely rebuilding it. I am talking about an used motor swap, not a Diesel Depot 300HP package swap that cost big bucks.