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Joined: Dec 2003
Posts: 296
Peterkwon87
Troll
Peterkwon87 Feb 20, 2:26am - #106809 

Troll
1999 Nissan Sentra XE

Joined: Dec 2003
Posts: 296
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 Feb 20, 3:34am - #106810 

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2000 Toyota Celica GT

Joined: Sep 2003
Posts: 753
Southeastern, Illinois
Cam, raised compression or lowered compression (depends on whether you are boosting or not), nitrous, and many many other things.

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Joined: Sep 2003
Posts: 3,077
slidr
Specialist
slidr Feb 20, 3:37am - #106811 

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2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
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.

Aqua Teen Hunger Force...number one in the hood, G
Joined: Jun 2003
Posts: 2,863
v3n0m
Specialist
v3n0m Feb 20, 9:19am - #106812 

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2001 Toyota Celica GT

Joined: Jun 2003
Posts: 2,863
St. George, UT
Grounding kit thumbsup might get 1-2 hp, but you're squeezing every last bit of extra hp.
Joined: Oct 2003
Posts: 115
polok120
Member
polok120 Feb 20, 9:41am - #106813 

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2000 Toyota Celica

Joined: Oct 2003
Posts: 115
change to synthetic oil that might ad a little hp. i personally use Royal Purple
Joined: Aug 2003
Posts: 2,269
NorwayGT
Specialist
NorwayGT Feb 20, 9:44am - #106814 

Specialist
2004 Dodge SRT4

Joined: Aug 2003
Posts: 2,269
Seattle, WA
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
Member
silverceli21 Feb 20, 2:09pm - #106815 

Member
01 Toyota Celica GT

Joined: Dec 2003
Posts: 245
ma
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 Mar 28, 5:31pm - #106816 
2002 Silver Toyota Celica GT
Senior Member
2002 Toyota Celica GT

Joined: Jan 2004
Posts: 515
Bak, Cali(661)
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
Specialist
Rocketman Mar 28, 5:41pm - #106817 

Specialist
01 Toyota Celica

Joined: Jan 2004
Posts: 1,248
Idaho Falls, ID
Yes you can. thumbsup
Joined: Sep 2003
Posts: 286
Psquared
Member
Psquared Mar 28, 5:49pm - #106818 
2001 Black Toyota Celica GT
Member
2001 Toyota Celica GT

Joined: Sep 2003
Posts: 286
Houston, TX.
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 Mar 28, 6:19pm - #106819 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
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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