Hopping to get some good responses here:

Here's the story - A good friend of mine came up to me last night and was telling me how his neighbor modded is 1 ton 6.0. At first I thought 'Everybody' that's running diesel is modding the (snip) out of'em'. Then he goes on to explain the neighbor told him that he is running 450hp (which I think is fairly reasonable - I could see that) but then he goes on to say 1100 ft/tq - rear wheel numbers. So I'm thinking 'Hmmmm...'
I guess the only reason we're a little suspect of the numbers is this - Usaually people who present 'round-numbers' like that are either fibbing or rounding to like the nearst 100. Also the firend went on too mention that the truck has stock exhaust and no gauges(prolly not the smartest thing) - so there is no EGT management what-so-ever. Also he is not running propane or anything else except for diesel. On the other hand I did hear the motor - the thing sounds like Air-Wolf - you can hear that turbo spool a couple blocks away... Aftermarket airfilter ????

Told my friend I post here somtimes and there seems like some pretty knowledgable folks here. We just wanna know are these numbers possible without propane (not so much the hp but the tq number) and if so what do you think he might have had done. We'd a thought if he would'a went through a diesel shop - which he claims to have, the first thing they would'a done is talk him into a bigger exhaust and pyro - minimum. I haven't seen any single aftermarket systems that raise HP and Tq that much. Are we being fed a line of bull or could this be possible

Thx
Tom and Dan

 

PLEASE do not use these *** it is against the rules. It is considered "masking" profanity with symbols."
Thanks

 

Sorry Tim - where did I have them?

 

hp=(rpmxtq)/5252


his #s r BS unless his dyno curve goes straight up to 1100lbs at about 2150rpm then drops straight (and i mean STRAIGHT) back down to nothing for the rest of the R's.

his truck must really suck to drive

besides our injectors dont flow enough to support 1100lbs! thats over twice stock flow, and thats only if it burns it all. he would have to pump prob 3-4 times stock

liar, liar, pants on

 

Where it says (snip) I know it is easy to do. However it is just as easy to speak/write without the use of any of these, it still reads the same, when you do not use them.
I appreciate you support on this.

 

Would that number be possible with propane?

 

Oh yea - I guess I did do that - 'my-bad'
Won't happen again

 

No problem, keep enjoying FTE

 

a guy in an 03 f250 at the 4x4 jamboree in lima oh informed me that his truck had 600hp and 1400lb tq. when i asked him how he got these #s, he told me that his banks added 145, his K&N added 45, his exhaustadded 60 and it had 350 to start w/!! i looked under(not hard w/ the lift) and saw his cat-back kit and it didnt smoke a lick when he gassed it (to be cool).

just a lot of uninformed liars out there tryin to be cool

 

We all like to embelish an already good story

 

The proof is in the performance!

 

Torque and Horsepower are directly related as in bighoss550's reply.

HP = (RPM * Torque)/5252

So HP * 5252 = RPM * Torque, and (HP * 5252)/Torque = RPM.

Given an HP of 450 and a Torque of 1400 we would get the following for RPM:

(450 * 5252)/1400 = 1688

There's not much chance motor is making that much output at such a low RPM. I think that one or both of his numbers is in error. Please ask him for a dyno chart as proof. He should have gotten a printout when he had his truck measured to get the numbers he is quoting.

Most of the posters with tuners in the high power mode are sending in dyno charts with numbers that are roughly 317 HP and 700 lb/ft Torque at 2380 RPM, with max HP at around 3100 RPM. Hp and Torque at that RPM are around 380 HP and 625 lb/ft.

If you took those numbers and said that you had max HP of 450 at 3100 RPM, that would be a torque of only 762 lb/ft. And if you said that the max 450 HP was at 2380 RPM, the torque would be 993 lb/ft.

As bighoss55 said, it would be pretty unlikely that the motor would peak so early and then fall of to nothing after that.

Your friend is either mistaken or blowing smoke

 

What he may have done is add up the advertised claims of each of his mods and gotten the "Marketing" HP and Torque !

MOST mods are not additive... NOR rear wheel numbers...
(Except the PRedator -- I KNOW it adds a MEASURED 100 RWHP !)
Stock the 6.0 is advertised as 325 and 560...
Say your bud got a
SCMT for +150 HP, a
turbo-back for 40 HP, a
intake for 50 HP, a
injectors for 100 HP...

add the numbers to get 665 HP !!!!
sounds pretty good until u go to the dyno and it shows 435 HP !!!

 

In the 60’s, Hot Rod magazine had adds in the back for manifolds, carburetors, magnetos and by the time you added it up…..well you had a 750hp 327 Chevy, now that was a bunch of HP back in those days.

It is funny this is still going on today, the more things change the more they stay the same.

 

Nice try, but still a load hooey. The stock driveline will begin to shed parts at around 800 lb-ft, presuming you can get the tires to hook. At about 1000 lb-ft there is an absolute certainty of "dynamic dissassembly" of some very expensive things.

Brad