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Joined: Dec 2003
Posts: 296
Peterkwon87
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Peterkwon87

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1999 Nissan Sentra XE

Joined: Dec 2003
Posts: 296
Feb 19, 7:26pm - #106809 
quick question

what are some things in an engine that can help improve a car's HP, the only one's i know are, Intakes, exhaust, turbo/superchargers, and headers.

Joined: Sep 2003
Posts: 753
blackcel
Senior Member
blackcel

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2000 Toyota Celica GT

Joined: Sep 2003
Posts: 753
Southeastern, Illinois
Feb 19, 8:34pm - #106810 
Cam, raised compression or lowered compression (depends on whether you are boosting or not), nitrous, and many many other things.


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slidr
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slidr

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2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
Feb 19, 8:37pm - #106811 
Well an exhaust isn't really part of the engine itself, so I assume that you are asking what mods you can put on to gain HP. Pulleys would be an easy way to gain throttle response, and maybe like 1 HP, but other than NAWWWWSSS!, you listed pretty much all the ones I can think of right now.
There's always shit like port polishing, and replacing your pistons, and other parts of your engine with high performance parts.


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Joined: Jun 2003
Posts: 2,863
v3n0m
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v3n0m

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2001 Toyota Celica GT

Joined: Jun 2003
Posts: 2,863
St. George, UT
Feb 20, 2:19am - #106812 
Grounding kit thumbsup might get 1-2 hp, but you're squeezing every last bit of extra hp.

Joined: Oct 2003
Posts: 115
polok120
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polok120

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2000 Toyota Celica

Joined: Oct 2003
Posts: 115
Feb 20, 2:41am - #106813 
change to synthetic oil that might ad a little hp. i personally use Royal Purple

Joined: Aug 2003
Posts: 2,269
NorwayGT
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NorwayGT

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2004 Dodge SRT4

Joined: Aug 2003
Posts: 2,269
Seattle, WA
Feb 20, 2:44am - #106814 
everysingle piece (well almost every single pice laughsilly) of the engine is not the best it can be. you can pritty much do anything to make more HP. stroker kit, higher octane fule with higher compression pistons, stiffer valve springs, lighter rocker arms, make it able to rev higher...


was....5speed with i/h/e
15.41 @ 89.30mph 2.282 60'

is....04 srt4 stock
13.936 100.15mph 2.177 60'
Joined: Dec 2003
Posts: 245
silverceli21
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silverceli21

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01 Toyota Celica GT

Joined: Dec 2003
Posts: 245
ma
Feb 20, 7:09am - #106815 
fuel injectors man!!! idle adjustments have to be made tho but the extra accel and hp r great


SiLvErCeLi
Joined: Jan 2004
Posts: 515
RetroJ84
Senior Member
RetroJ84
2002 Silver Toyota Celica GT
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2002 Toyota Celica GT

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Posts: 515
Bak, Cali(661)
Mar 28, 10:31am - #106816 
this might sound air headed but what do fuel injectors do? and $$


"You're not how much money you have in the bank. You're not the car you drive. You're not the contents of your wallet. You're not your f------ khakis. You're the all-singing, all-dancing crap of the world."
Joined: Jan 2004
Posts: 1,248
Rocketman
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Rocketman

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01 Toyota Celica

Joined: Jan 2004
Posts: 1,248
Idaho Falls, ID
Mar 28, 10:41am - #106817 
Yes you can. thumbsup

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Posts: 286
Psquared
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Psquared
2001 Black Toyota Celica GT
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2001 Toyota Celica GT

Joined: Sep 2003
Posts: 286
Houston, TX.
Mar 28, 10:49am - #106818 
Fuel injectors spray a set ammount of fuel into your cylinders. It actually atomizes the fuel, I guess it's more combustable that way. Injectors are controlled by your computer to automatically adjust for proper fuel/air mixtures to make the car efficient and run smoothly. Old day carbs did the same thing, that is spray fuel, but carbs sprayed fuel into all the cylinders at one shot and weren't very efficient b/c one cylinder may get more fuel than another. Injectors ensure each cylinder gets the exact same ammount of fuel. Hope this helps.

Joined: Aug 2003
Posts: 6,372
Speed4TheNeed
Caleb
Speed4TheNeed

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Mar 28, 11:19am - #106819 
the only affordable solutions to help increase horspower/torque (less than $1000) are like you said headers, Intake, exhaust. also, as others have mentioned nitrous, pulleys, & grounding kits.

nitrous is the best horsepower-per-dollar option. although you have to keep buying it (although to refille the bottle it's not very expensive), it can provide as much power as a Turbo/supercharger (or more if you re-enforce your engine) for a fractoin of the cost.

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