Car Forums  

Go Back   Car Forums > General Discussions > General Chat
FAQ Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
Old 12-04-2006, 06:24 PM   #1
hondaman
I drive a Buick.
 
hondaman's Avatar
 
Join Date: May 2005
Location: Somewhere in Alabama
Posts: 1,432
Cheap ways to add horsepower

So, I've been looking around for a few easy and inexpensive ways to add horsepower, and so far this is what I have come up with through searching. I wanted to see if any of these had merit or if it would be nothing more than a waste of time.

So, in order of what I feel is the most believeable to the least:

Mapping the spark plugs. I've heard that aiming the open end of the plug toward the injector at all cylinders will help combustion and improve power very slightly (1 hp). This makes perfect sense to me, but I wouldn't think that any noticeable power gain would be achieved. Would it?

Insulating the fuel lines. The same site told me that buying some refridgerator or A/C insulation and wrapping my fuel lines with the stuff would help keep my fuel cooler and therefore add power. They also suggested that the air filter hose, whether stock or aftermarket, also be wrapped to keep the incoming air cooler. Again, this makes perfect sense to me, and I would expect some power gains from it. But my concern is, would this make my engine be at risk for fire? I don't want this insulation to catch alight and torch my engine. If this would be safe, about how much power could I expect? One or two horsepower perhaps?

Relocating the IAT sensor. I really have doubts about this one. They say that by moving the sensor further away from the engine, it will cause the ECU to "advance timing and improve the fuel ratio", thereby increasing power. However, I would think that the sensor was placed there for a reason, and moving it may lead to poor engine operation or damage. What do you all think?
.
.
.
__________________
hondaman is offline   Reply With Quote
Old 12-04-2006, 07:15 PM   #2
Enthusiast
VTEC LOL
 
Enthusiast's Avatar
 
Join Date: Jul 2005
Posts: 1,106
Ive also heard about the Spark plugs and actually did it on my last Plug change but who knows if it actually does anything.

Hard to call on the other two. Although I have heard about the IAT sensor, but Im like you I didnt want to move it so instead of tricking the engine into running like that I just had it tuned to run kinda like that
__________________
Enthusiast is offline   Reply With Quote
Old 12-04-2006, 08:57 PM   #3
Bronxie
Dont know crap about cars
 
Join Date: Jul 2006
Location: Westchester Co., NY
Posts: 1,386
I don't know what all of these things are really cause I've never really researched, and I don't know if you're asking for ideas, but this is what I hear EVERYONE saying on other forums I visit:

CAMS - better camshafts I'm assuming.

HEADERS - not totally sure. maybe it means new cylinder heads.

EXHAUST (which you already did)

"CHIP" - which I'm assuming means obd chip...

AIR INTAKE - supposed to take in air from a cooler spot than the regular intake hose does, giving you more dense air, and giving you more power.

INTAKE MANIFOLD - I know what it is but I'm not sure how it adds power..

And that's all I can think of other than FI.

Just in case you needed some ideas.

This is what most people on BMW forums have in their sigs and stuff lol.
__________________


Driving a lotus is more thrilling than sex.
Bronxie is offline   Reply With Quote
Old 12-04-2006, 09:04 PM   #4
chris_knows
๑۩۞
 
chris_knows's Avatar
 
Join Date: Apr 2005
Location: Ontario, Canada Status:Trying to find my ish
Posts: 7,630
Quote:
Originally Posted by Bronxie
I don't know what all of these things are really cause I've never really researched, and I don't know if you're asking for ideas, but this is what I hear EVERYONE saying on other forums I visit:

CAMS - better camshafts I'm assuming.

HEADERS - not totally sure. maybe it means new cylinder heads.

EXHAUST (which you already did)

"CHIP" - which I'm assuming means obd chip...

AIR INTAKE - supposed to take in air from a cooler spot than the regular intake hose does, giving you more dense air, and giving you more power.

INTAKE MANIFOLD - I know what it is but I'm not sure how it adds power..

And that's all I can think of other than FI.

Just in case you needed some ideas.

This is what most people on BMW forums have in their sigs and stuff lol.
Headers are like intake manifolds, but for the exhaust lol.
__________________
chris_knows is offline   Reply With Quote
Old 12-04-2006, 09:52 PM   #5
car_crazy89
Part Time CFer
 
car_crazy89's Avatar
 
Join Date: Mar 2005
Location: Ontario, Canada
Posts: 2,849
These would be headers for a V8:


This would be one type for an I4:


An aftermarket intake manifold could help because it may be better designed and with less resistance to allow for more air to flow through it.
__________________

"Noone dies a virgin, life screws us all"
car_crazy89 is offline   Reply With Quote
Old 12-05-2006, 12:26 AM   #6
Bronxie
Dont know crap about cars
 
Join Date: Jul 2006
Location: Westchester Co., NY
Posts: 1,386
So headers don't come with your car...? Cause that looks heavy.
__________________


Driving a lotus is more thrilling than sex.
Bronxie is offline   Reply With Quote
Old 12-05-2006, 12:35 AM   #7
Enthusiast
VTEC LOL
 
Enthusiast's Avatar
 
Join Date: Jul 2005
Posts: 1,106
Usually an exhaust manifold comes on the car and its replaced by Header either Longtube, Mids, or shorties, because they flow better.
__________________
Enthusiast is offline   Reply With Quote
Old 12-05-2006, 12:39 AM   #8
chris_knows
๑۩۞
 
chris_knows's Avatar
 
Join Date: Apr 2005
Location: Ontario, Canada Status:Trying to find my ish
Posts: 7,630
Quote:
Originally Posted by Bronxie
So headers don't come with your car...? Cause that looks heavy.
They aren't always that thick, but most cars do have headers. They just take the exhaust gases from the engine to the rest of the exhaust system.
__________________
chris_knows is offline   Reply With Quote
Old 12-05-2006, 03:41 AM   #9
67Coronet383
CF Riff Master
 
67Coronet383's Avatar
 
Join Date: Nov 2005
Location: Under a hood, Georgia
Posts: 628
Quote:
Originally Posted by Bronxie
So headers don't come with your car...? Cause that looks heavy.
They weigh A LOT less than iron exhaust manifolds that come stock with most engines.
__________________
67Coronet383 is offline   Reply With Quote
Old 12-05-2006, 03:58 AM   #10
Wally
I Know More Than You
 
Wally's Avatar
 
Join Date: May 2004
Location: Oz
Posts: 2,564
Quote:
Originally Posted by hondaman
...... What do you all think?
.
.
.


I think you'd be better spending the money on a nice meal and a six pack of Fosters.
__________________
"She gave me a look only a mother could give a child."
Wally is offline   Reply With Quote
Old 12-05-2006, 04:29 AM   #11
Bronxie
Dont know crap about cars
 
Join Date: Jul 2006
Location: Westchester Co., NY
Posts: 1,386
I don't know how much an exhaust manifold weighs but I was working on my friend's 99 miata with him and the intake manifold (just the top half) was really heavy.

So it replaces the exhaust manifold? I want some.
__________________


Driving a lotus is more thrilling than sex.
Bronxie is offline   Reply With Quote
Old 12-05-2006, 04:44 AM   #12
Pythias
CF Extraordinaire
 
Pythias's Avatar
 
Join Date: Jun 2005
Location: Ohio, U.S.
Posts: 1,831
Quote:
Originally Posted by Bronxie
I don't know how much an exhaust manifold weighs but I was working on my friend's 99 miata with him and the intake manifold (just the top half) was really heavy.

So it replaces the exhaust manifold? I want some.

Lol, I'm sure Porsche aftermarket parts are pretty expensive. But if you are going to do headers, you gotta do the whole exhaust :P
__________________
"Though I drive through the valley of rice,I shall fear no turbo for torque art with me. Thy rod and piston, they comfort me."

"It is not the strong who will win, but the winner who is strong." -ROTK7
"You wrote "The World Doesn't Need A Savior" but everyday I hear people crying for one."
Pythias is offline   Reply With Quote
Old 12-05-2006, 01:13 PM   #13
Bronxie
Dont know crap about cars
 
Join Date: Jul 2006
Location: Westchester Co., NY
Posts: 1,386
Quote:
Originally Posted by Pythias
Lol, I'm sure Porsche aftermarket parts are pretty expensive. But if you are going to do headers, you gotta do the whole exhaust :P

They are pretty expensive. I've had a hard time finding any at all for 987s.

All I want is an intake but every time I search for one I get stupid air filters...
__________________


Driving a lotus is more thrilling than sex.
Bronxie is offline   Reply With Quote
Old 12-05-2006, 02:21 PM   #14
Cliffy
CF Loafer
 
Cliffy's Avatar
 
Join Date: Nov 2003
Location: NE Hampshire, England, UK
Posts: 8,441
Quote:
Originally Posted by Wally
I think you'd be better spending the money on a nice meal and a six pack of Fosters.
I agree

Reference the spark plug thing......I'm assuming you have to take the head off, otherwise you wont know where they're aiming, lol....seems like too much work to me, especially for a 1bhp gain...
__________________


Please click here for the rules prior to posting, and here to introduce yourself!

Artwork courtesy of Gregg, aka Voda48
Cliffy is offline   Reply With Quote
Old 12-05-2006, 04:23 PM   #15
giant016
My mom says I'm cool
 
giant016's Avatar
 
Join Date: Jun 2005
Location: Western Mass.
Posts: 1,274
I wouldn't do any of that stuff. You won't feel any differnce even if all of those things actually work. I suppose if you were a racer where every little bit helps, but I doubt that's the case. So basically, you could cause some damage to the car, and even if it does work it won't be a noticable difference.
__________________
Submitted for the approval of the Midnight Society

giant016 is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Forum Jump



All times are GMT +1. The time now is 01:25 AM.

Powered by vBulletin Version 3.5.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright 2002 - 2011 Car Forums. All rights reserved.