Nitrous or headers....
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Freshman User
Joined: Jul 2003
Posts: 42
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From: Texas
Nitrous or headers....
ok, so far my 02 has K&N FIPK gen2, exhaust, ele. fans, hypertech programer, and 4.10 gears. now i'm stuck between nitrous works EFI kit for $450 bucks or gibson stainless steel headers for $480. Or i could get the Mass and a TB spacer for around $440. so far i've spent around 1400 bucks to make it go faster, the gears are the last thing i did to it and i noticed NO change what-so-ever at the dragstrip but i re-programmed it and it seems a lil better now(havent gone back to the track yet) what is everybody elses thoughts, i can't afford a blower so that is out of the question thanks in advance
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Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
If your 60ft times didn't change with the gear swap, then it must be traction limited. The 60ft time should drop with the 4.10 gears.
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Elder User
Joined: Feb 2003
Posts: 881
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From: NJ ... the garbage state
yea, the gears should get you out of the hole and into your power band much faster.
your comparing apples to oranges though, headers will give u the same gain all the time as you drive the truck, the nitrous iwll only help youon the track when you spray it ... so it kinda depends on if u care how it drives all the time, or only how much you change your et at the track. the nitrious will undoubtably make you faster at the track.
your comparing apples to oranges though, headers will give u the same gain all the time as you drive the truck, the nitrous iwll only help youon the track when you spray it ... so it kinda depends on if u care how it drives all the time, or only how much you change your et at the track. the nitrious will undoubtably make you faster at the track.
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Freshman User
Joined: Apr 2004
Posts: 36
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From: Portland Or
I have a 02 f150 5.4 4x4 with a powerdyne blower running 11psi, headers, full dual exhaust and an intercooler. When I installed the blower I noticed a big jump In power
but I just had It on the dynojet yesterday and It only made 250hp at 4500 rpm & 304lbs of torque, I think Its time for a twin turbo setup!
but I just had It on the dynojet yesterday and It only made 250hp at 4500 rpm & 304lbs of torque, I think Its time for a twin turbo setup!
Elder User
Joined: Feb 2003
Posts: 881
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From: NJ ... the garbage state
hmm, that sounds like something might be wrong ... i should expect more power then that. Did they do any tuning to it? Did you do any work to your transmission? (i assume automatic) Maybe its slipping?
Freshman User
Joined: Apr 2004
Posts: 36
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From: Portland Or
The air/fuel was nearly perfect until 4900 rpm then It went lean but the motor was really dropping off In power at 4700 so that wouldnt matter. As for the transmission,
It Is an automatic and Its bone stock but theres only 20k on the truck, I hope Its not slipping, that could be spendy!
It Is an automatic and Its bone stock but theres only 20k on the truck, I hope Its not slipping, that could be spendy!
Elder User
Joined: Feb 2003
Posts: 881
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From: NJ ... the garbage state
yea, just sounds a little lower then i would have expected. truck driveline sucks up a lot of power i guess. i would go for a hi line pressure valve to firm up the tranny alittle bit. might make a big difference in seat of the pants speed.