[bigunde]

Originally Posted by big hammer

i still say you haven't operated a piece of heavy machinery in your life. everyone laughs about weak and ****ty the old v8's were. the old detroits were slobbering oil leaking torqueless POS engines. you had to keep them screaming at high rpm to pull anything. try to lug them and they fall flat on their face. yes in a small load application they will run a long time, but then again so will a 6.2 gm diesel.

Were these maintained engines? I do know they leaked bad but that was their thing.



Popular Horsepower Ratings (8V-71)
866 ft·lbf @ 1400 rpm 318 hp (237 kW) governed at 2100 rpm
990 ft·lbf @ 1400 rpm 305-350 hp governed at 2100 rpm (turbocharged)
1064 ft·lbf @ 1200 rpm 305-370 hp governed at 1800-2100 rpm (turbocharged/aftercooled)


8V92

http://www.barringtondieselclub.co.z...oitDiesel.html

[hurryinhoosier62]

Brad,

You could be right. Most of the 8V92s we got were 350hp. In fact, we had a couple of late ones that were allegedly rated at 395hp. Either way, the 8V71,6V71s,8V92s,6V92s and 903 Cummins were successfully powering OTR trucks YEARS before emissions regs and fuel costs made them obsolete. Think HOW MANY Petes,Kenworths and Freightliners were built with these engines, ran WAY past 3000hrs (that's only about 2 yrs for an OTR tractor) and went to the scrap heap only because of federal and state emission regs and fuel became too expensive to use them anymore.

[bigunde]

Originally Posted by hurryinhoosier62

Brad,

You could be right. Most of the 8V92s we got were 350hp. In fact, we had a couple of late ones that were allegedly rated at 395hp. Either way, the 8V71,6V71s,8V92s,6V92s and 903 Cummins were successfully powering OTR trucks YEARS before emissions regs and fuel costs made them obsolete. Think HOW MANY Petes,Kenworths and Freightliners were built with these engines, ran WAY past 3000hrs (that's only about 2 yrs for an OTR tractor) and went to the scrap heap only because of federal and state emission regs and fuel became too expensive to use them anymore.

One more "small" Detroit for ya

http://www.youtube.com/watch?v=Jp-qcZr_Wrw

[455Grandville]

Originally Posted by bigunde

One more "small" Detroit for ya

http://www.youtube.com/watch?v=Jp-qcZr_Wrw

http://www.youtube.com/watch?v=_UTbY...eature=related

(now that's a tractor )

[455Grandville]

Originally Posted by The Boss

Same around here....

Most of the time I see an aftermarket body for heavy use like the above it's on a Ford chassis. You type in "flatbed" on craigslist/e-bay and it's the same thing. There's a pattern -

Originally Posted by hurryinhoosier62

Brad,

You could be right. Most of the 8V92s we got were 350hp. In fact, we had a couple of late ones that were allegedly rated at 395hp. Either way, the 8V71,6V71s,8V92s,6V92s and 903 Cummins were successfully powering OTR trucks YEARS before emissions regs and fuel costs made them obsolete. Think HOW MANY Petes,Kenworths and Freightliners were built with these engines, ran WAY past 3000hrs (that's only about 2 yrs for an OTR tractor) and went to the scrap heap only because of federal and state emission regs and fuel became too expensive to use them anymore.

The thing about Detroits is you can rebuild 'em over & over.
If "V" diesels were no good you wouldn't see 'em in marine use as you said.
As far as "undersquare" designs in a big rig think about it : height isn't a problem (stroke) in a long nose, but length is -

[70judgeconv]

I have a 2005 duramax with 228000 miles only replaced an idler pulley. Just bought a new 2011 duramax, best truck ever to date. Fully boxed frame made a huge difference.
My truck plows with a fisher vplow and tows a 17000lb fifth wheel. Both trucks are 2500hd crew cabs. Bought a ford f350 once, it burnt to the ground overnight just sitting there. Never again. Chevy all the way

[hurryinhoosier62]

bigunde,

That's 2 12V71s bolted together with LOTS of custom turbo plumbing. I saw it in "Hot Rod" late last year.

[hurryinhoosier62]

Brad,

The guy out in California we built the "K" series Cummins for had to lengthen the frame and doghouse 2 ft to make enough room for those monsters. 1,250 ci and 2,500 ci!! We couldn't get a reliable dyno reading on them, but best guess was around 550hp for the 1250 and 700 for the 2500. We had one guy the wondered IF you could fit a Cummins V-12 1710 into a truck chassis. That sucker is over eight feet long!!

[455Grandville]

Originally Posted by hurryinhoosier62

Brad,

The guy out in California we built the "K" series Cummins for had to lengthen the frame and doghouse 2 ft to make enough room for those monsters. 1,250 ci and 2,500 ci!! We couldn't get a reliable dyno reading on them, but best guess was around 550hp for the 1250 and 700 for the 2500. We had one guy the wondered IF you could fit a Cummins V-12 1710 into a truck chassis. That sucker is over eight feet long!!

Isn't the 1710 cid based on the 855 ? (2 put together as a V ?)

The KTA was a huge sob; my great uncle had a Steiger Tiger he bought new in 1985.
I can't even describe what a monster that thing was
It's still in use today last I heard.

[hurryinhoosier62]

Brad,

Kinda of. It has a common crankcase with 4 individual heads (3 cylinders per head). BIG MOTHER!!

[yak]

http://www.youtube.com/watch?v=BvlyU...eature=related

[bigunde]

Originally Posted by yak

http://www.youtube.com/watch?v=BvlyU...eature=related

Did you hear the narrator? Talking about POT MEET KETTLE!!!!!!!!! And what is a FORDMECHANIC?

But here is a nice burnout attempt. Not quite one of those harmonic balancer destroying SRT-10's either. LOL

http://www.youtube.com/watch?v=LCnwzGjhSBo

[yak]

Originally Posted by bigunde

Did you hear the narrator? Talking about POT MEET KETTLE!!!!!!!!! And what is a FORDMECHANIC?

But here is a nice burnout attempt. Not quite one of those harmonic balancer destroying SRT-10's either. LOL

http://www.youtube.com/watch?v=LCnwzGjhSBo

i used that same bar to put my balancer back on my srt 10 one time

[455Grandville]

Originally Posted by hurryinhoosier62

Brad,

Kinda of. It has a common crankcase with 4 individual heads (3 cylinders per head). BIG MOTHER!!

You ever mess with any of those Allis Chalmers 844 cid diesels ?

Originally Posted by bigunde

Were these maintained engines? I do know they leaked bad but that was their thing.



Popular Horsepower Ratings (8V-71)
866 ft·lbf @ 1400 rpm 318 hp (237 kW) governed at 2100 rpm
990 ft·lbf @ 1400 rpm 305-350 hp governed at 2100 rpm (turbocharged)
1064 ft·lbf @ 1200 rpm 305-370 hp governed at 1800-2100 rpm (turbocharged/aftercooled)


8V92

http://www.barringtondieselclub.co.z...oitDiesel.html

2 strokes are low in torque, they need to run at WOT

The 71 seried Detroits were about the toughest most long lasting engines ever built.

Their leaking IMO was also due to the fact from the factory Detroits were the most

poorly balanced engines.

He fails to mention some inline 6 diesels were known for crank failures as well (usually

around the snout) and the V8 cranks tend to be stronger being shorter & more ridgid -

[hurryinhoosier62]

If you've ever seen the crankshaft out of a Chrysler V-10, you'll understand why!!

[hurryinhoosier62]

bigunde and Brad,

What we have in big hammer is the TYPICAL "throttle jockey". big hammer, you are correct: I am NOT a heavy equipment operator. I AM the engine machinist that had to
repair all the damage that "gorillas" like you did to perfectly good engines because you're either too ignorant or too lazy to give an engine a LITTLE respect!! Oh, I've seen guys like you. You try to move loads so large the hydraulic lines nearly burst just to save a little time. You'll jump into a cold piece of machinery and expect it to perform flawlessly WITHOUT a single minute of warm-up. When all the abuse you have given the equipment catches up with you, you "bad-mouth" the equipment!! Like Brad pointed out, ALL Detroits( except the series 40,60 and 80 engines) are TWO-STROKES. Whether it's a 3-53 or a 16V149, they ALL operate at WOT. He(Brad) is also correct on the oil leaking problems. Those engines shake!! IF you change out the gaskets on a REGULAR basis, the problem goes away.BTW...I've got an uncle that is a retired operating engineer. He was operating heavy equipment before you were an itch in your daddy's pants. He's used Detroit powered equipment for years and NEVER complained, but he also take care of his equipment. Bud has a 1968 model D8 Cat that has NEVER had the bottom end rebuilt,even after the dozer sat in 10ft of water for a YEAR!! He farms, so he owns tractors. His newest tractor(a Massey Fergeson) is nearly 40 yrs old. It's NEVER had to have the bottom end rebuilt. See a pattern?

[sleepy]

Originally Posted by hurryinhoosier62

bigunde and Brad,

What we have in big hammer is the TYPICAL "throttle jockey". big hammer, you are correct: I am NOT a heavy equipment operator. I AM the engine machinist that had to
repair all the damage that "gorillas" like you did to perfectly good engines because you're either too ignorant or too lazy to give an engine a LITTLE respect!! Oh, I've seen guys like you. You try to move loads so large the hydraulic lines nearly burst just to save a little time. You'll jump into a cold piece of machinery and expect it to perform flawlessly WITHOUT a single minute of warm-up. When all the abuse you have given the equipment catches up with you, you "bad-mouth" the equipment!! Like Brad pointed out, ALL Detroits( except the series 40,60 and 80 engines) are TWO-STROKES. Whether it's a 3-53 or a 16V149, they ALL operate at WOT. He(Brad) is also correct on the oil leaking problems. Those engines shake!! IF you change out the gaskets on a REGULAR basis, the problem goes away.BTW...I've got an uncle that is a retired operating engineer. He was operating heavy equipment before you were an itch in your daddy's pants. He's used Detroit powered equipment for years and NEVER complained, but he also take care of his equipment. Bud has a 1968 model D8 Cat that has NEVER had the bottom end rebuilt,even after the dozer sat in 10ft of water for a YEAR!! He farms, so he owns tractors. His newest tractor(a Massey Fergeson) is nearly 40 yrs old. It's NEVER had to have the bottom end rebuilt. See a pattern?

The type to start the motor at full throttle and shut it off the same way? LOL

[yak]

Originally Posted by hurryinhoosier62

bigunde and Brad,

What we have in big hammer is the TYPICAL "throttle jockey". big hammer, you are correct: I am NOT a heavy equipment operator. I AM the engine machinist that had to
repair all the damage that "gorillas" like you did to perfectly good engines because you're either too ignorant or too lazy to give an engine a LITTLE respect!! Oh, I've seen guys like you. You try to move loads so large the hydraulic lines nearly burst just to save a little time. You'll jump into a cold piece of machinery and expect it to perform flawlessly WITHOUT a single minute of warm-up. When all the abuse you have given the equipment catches up with you, you "bad-mouth" the equipment!! Like Brad pointed out, ALL Detroits( except the series 40,60 and 80 engines) are TWO-STROKES. Whether it's a 3-53 or a 16V149, they ALL operate at WOT. He(Brad) is also correct on the oil leaking problems. Those engines shake!! IF you change out the gaskets on a REGULAR basis, the problem goes away.BTW...I've got an uncle that is a retired operating engineer. He was operating heavy equipment before you were an itch in your daddy's pants. He's used Detroit powered equipment for years and NEVER complained, but he also take care of his equipment. Bud has a 1968 model D8 Cat that has NEVER had the bottom end rebuilt,even after the dozer sat in 10ft of water for a YEAR!! He farms, so he owns tractors. His newest tractor(a Massey Fergeson) is nearly 40 yrs old. It's NEVER had to have the bottom end rebuilt. See a pattern?

i wonder if big hammer will even respond to this because this post is a bunch of speculation and stories with no proof or evidence of anything at all. dont you know that a cold engine makes the most power so as soon as you hit the key you gotta pin the throttle to keep the clearances tight?

[455Grandville]

Originally Posted by yak

i wonder if big hammer will even respond to this because this post is a bunch of speculation and stories with no proof or evidence of anything at all. dont you know that a cold engine makes the most power so as soon as you hit the key you gotta pin the throttle to keep the clearances tight?

Kinda like your statement all Ford engines suck

When the metal heats up it changes shape & expands, so hitting the throttle at startup won't change that - it will warm it up quicker is harder on the engine.

[yak]

Originally Posted by 455Grandville

Kinda like your statement all Ford engines suck

When the metal heats up it changes shape & expands, so hitting the throttle at startup won't change that - it will warm it up quicker is harder on the engine.

my comment about all ford motors is based on fact- none of them perform well out of the box from ford , they always need something done to them to make them perform. i used to be a ford guy but after having to work on their 1997 and up sh&t i dont even waste my time with fords anymore