Diesel Headers
Diesel Headers
Senior User
Joined: Jan 2006
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Senior User
Joined: Jan 2006
Posts: 162
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i emailed them asking if they knew the gains a set of thier headers would give my truck as far as hp and torque go, and this was the response-
"Every vehicle is different but as I remember the 7.3 with our headers and a dual 2 1/2" exhaust increased the horsepower at the rear tires by 55 horsepower. -Stan"
"Every vehicle is different but as I remember the 7.3 with our headers and a dual 2 1/2" exhaust increased the horsepower at the rear tires by 55 horsepower. -Stan"
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Joined: Jan 2006
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i think if that were the fact companies like banks and hypermax would be manufacturing them as well...
if headers did give 55 hp for $500, that would be well worth it. maybe i should purchase and install them, and then get my truck dynoed... if i don't see 55hp, they can take them back?
has anyone on here actually bought these headers?
if headers did give 55 hp for $500, that would be well worth it. maybe i should purchase and install them, and then get my truck dynoed... if i don't see 55hp, they can take them back?
has anyone on here actually bought these headers?
Last edited by seanvicious; Jul 23, 2006 at 01:41 AM.
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The bling alone is worth $500! ...just ask any ricer out there - they'll tell you.
But seriously I agree with 1978fordf250's first sentence (and the bling is sweet).
But seriously I agree with 1978fordf250's first sentence (and the bling is sweet).
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Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
A good free flowing exhaust will increase the power to the rear wheels.
The stock 2.25" ID pipe is way to small, the engine has to pump the exhaust out at higher RPM. It takes power to blow the exhaust out the exhaust.
I would guess more in the 30 HP gained range though.
To make more serious power you need more air so you can burn more fuel, that is why the turbo shines.
If you look at Banks or ATS literature, they say up to 50% power increase, so that takes a 180 HP engine and moves it to the 270 HP range.
The stock 2.25" ID pipe is way to small, the engine has to pump the exhaust out at higher RPM. It takes power to blow the exhaust out the exhaust.
I would guess more in the 30 HP gained range though.
To make more serious power you need more air so you can burn more fuel, that is why the turbo shines.
If you look at Banks or ATS literature, they say up to 50% power increase, so that takes a 180 HP engine and moves it to the 270 HP range.
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i ain't rite
Joined: Mar 2005
Posts: 65,422
Likes: 5,507
From: Marlboro Mental Hospital.
many years ago, i put my 88 on a dyno when it had the 5 speed trans, open exhaust, turned up pump, and 35 inch tires. results at the wheels was 325 hp with open pipes at 17+ lbs of boost, and 250 hp with 2 inch opening sidepipe inserts in the pipes at 5 lbs of boost.
it now is running a C6, 36 inch tires, and open pipes with the pump turned back, so i am figuring on between 275-290hp at the wheels, because i am averaging 8-12 lbs of boost.
it has a 195 hp international engine. i never did figure how a 195 hp got in it, instead of the 180 hp navistar for ford, but never complained either.
it now is running a C6, 36 inch tires, and open pipes with the pump turned back, so i am figuring on between 275-290hp at the wheels, because i am averaging 8-12 lbs of boost.
it has a 195 hp international engine. i never did figure how a 195 hp got in it, instead of the 180 hp navistar for ford, but never complained either.
Last edited by tjc transport; Jul 23, 2006 at 12:09 PM.
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Originally Posted by tjc transport
many years ago, i put my 88 on a dyno when it had the 5 speed trans, open exhaust, turned up pump, and 35 inch tires. results at the wheels was 325 hp with open pipes at 17+ lbs of boost, and 250 hp with 2 inch opening sidepipe inserts in the pipes at 5 lbs of boost.
it now is running a C6, 36 inch tires, and open pipes with the pump turned back, so i am figuring on between 275-290hp at the wheels, because i am averaging 8-12 lbs of boost.
it has a 195 hp international engine. i never did figure how a 195 hp got in it, instead of the 180 hp navistar for ford, but never complained either.
it now is running a C6, 36 inch tires, and open pipes with the pump turned back, so i am figuring on between 275-290hp at the wheels, because i am averaging 8-12 lbs of boost.
it has a 195 hp international engine. i never did figure how a 195 hp got in it, instead of the 180 hp navistar for ford, but never complained either.
i ain't rite
Joined: Mar 2005
Posts: 65,422
Likes: 5,507
From: Marlboro Mental Hospital.
Originally Posted by seanvicious
that's impressive.
but then again that abuse might have had something to do with the trans and transfer case going BOOM!!! though.
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TJC, why do some of the internationals have 185hp and others have 195? how do i know what i have?
and to Dave7.3, i'm considering it as well. i have a 3 1/2" hypermax single exhaust, and combined with the headers if i only saw a 25 hp improvement... that would be worth it in my opinion.
and to Dave7.3, i'm considering it as well. i have a 3 1/2" hypermax single exhaust, and combined with the headers if i only saw a 25 hp improvement... that would be worth it in my opinion.
Thread Starter
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Elder User
Joined: Apr 2006
Posts: 894
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From: South Dakota
seanvicious, the way you can tell your engines stock hp and torque rating is to look on the drivers side valvecover, there should be sticker or something that has your stock hp and torque. That is where I found mine anyway...
Also, I now have all the parts but have yet to get the turbo installed. I wonder if the turbo would even work with these headers on....
Also, I now have all the parts but have yet to get the turbo installed. I wonder if the turbo would even work with these headers on....
Last edited by Dave7.3; Jul 24, 2006 at 12:46 AM.