Where in the motor do you make the most power?

[Grinder5]

A guy in my area spent around 10K building a stroker motor to go low 12's, maybe high 11's after some heavy tuning. Most of his build was in the bottom end, including bore and stroked with a 4g64 crank. Howerver, I believe he's running a stock head. Now, i'ver read of cars running almost stock motors, meaning spending 3K max and running 12's and 11's, so I was wondering, what area of the motor do you mod to make the most power? Is it the head(porting, valvejob, cams) or the bottom end, intake, exhaust, fuel? where is the most potential?

 

[fwdturbobov1996]

big turbo, fuel, TUNING. That guy with a 10k motor did something wrong

 

[tstkl]

intake, exaust, fuel, tuning, turbo, tuning, head gasket/bolts, turn up boost, tuning, more fuel, bigger turbo, pistons/rods, start porting stuff, tune, tune,....

thats kinda what ill be doing, except brakes and suspension will be in there somewhere, along with tires relatively soon... and when i say intake, i mean fmic, intercooler piping, manifold, the works... although im sure you can do it one at a time, im going all out intake first thing... then im scrapping money for a full exaust...

 

[Grinder5]

basically what I meant was if you took say 3K and was going to invest in an area of the motor, where would you invest it to make the most power, would it be port work on the heads, lifters and cams; or a full exhaust and intake and filter with some fuel tuning(can you even fuel tune and stock system?) etc.?

 

[fwdturbobov1996]

with 3k...

3 in turbo back - 300
evo 3 turbo - 550
550 cc injectors ( used ) - 150
190 fuel pump - what 50 bucks used?
sbr ported exhaust manifold - 300
port the o2 housing - 25
dsmlink - 700
fmic - 250 + piping...

 

[suicidal2af]

A guy in my area spent around 10K building a stroker motor to go low 12's, maybe high 11's after some heavy tuning. Most of his build was in the bottom end, including bore and stroked with a 4g64 crank. Howerver, I believe he's running a stock head. Now, i'ver read of cars running almost stock motors, meaning spending 3K max and running 12's and 11's, so I was wondering, what area of the motor do you mod to make the most power? Is it the head(porting, valvejob, cams) or the bottom end, intake, exhaust, fuel? where is the most potential?

Don't think anyone here really read the question.

No one part is going to make the most power -- power is directly proportional to volumetric efficiency. A small exhaust is going to limit how fast you can evacuate exhaust gasses. A stock head is going to limit how much fresh, creamy air you can ingest.

Fuel controls the burn of oxygen, nothing else. Think of it as a supporting mod, not a power thing.

That being said, building a bottom end for the most part won't increase power very much. It will be stronger so it can handle more power, and you might pick up a few hp and a quicker spool from higher compression pistons. Headwork, however, can(and will) make a considerable amount of power.

Shep went from 9's to 8's just from headwork. 'Nuff said.

 

[BLampinen]

with 3k...

3 in turbo back - 300
evo 3 turbo - 550
550 cc injectors ( used ) - 150
190 fuel pump - what 50 bucks used?
sbr ported exhaust manifold - 300
port the o2 housing - 25
dsmlink - 700
fmic - 250 + piping...

keep in mind too that you'll need an EPROM ecu for DSMLink...

 

[vertGST]

to answer your question, majority of the power is made in the head.

 

[1993eclipseGS]

Hahaha....


He spent 10,000$ to run low 12's, High 11's? WOW.

My friend with over 200,000 miles ran a 12.6 in his 1g awd with around $300.00 in mods, Maybe less. The guy in your town wasted his money

 

[BLampinen]

300 dollars off of stock? no way is that possible... unless u mean he bought the car already modded and then spent 300 more...

 

[Grinder5]

Thanks for the info, I've read that a lot of power is made in the head, just was wanting confirmation. This helps a ton! And yes, I think he did spend way too much to run what he runs, but it wasn't all in the bottom end. He has an fmic, safc and other support mods. Still though, wasn't sure why he didn't just build the head up. The only thing I can think of is that the motor was bad or blown and taht's why he built the bottom end so much.

 

[1993eclipseGS]

300 dollars off of stock? no way is that possible... unless u mean he bought the car already modded and then spent 300 more...

Boost controller, Fuel pump, He had stock exhaust so he might have unbolted it. Turn the boost up, Dump the clutch... I don't know, He ran a 12.6 at english town, I seen the time slip.

EDIT : Sorry, He also had a k&n airfilter...

 

[vertGST]

it is feasible and has been done before.