how do i get cheap horse power out of my 92 eclipse GS? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 03-23-2008, 03:40 AM
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how do i get cheap horse power out of my 92 eclipse GS?

I'm 17 and need to get some more horsepower out of my 92 Eclipse Gs.I have the 2.0 DOCH motor and low on cash

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Old 03-23-2008, 03:47 AM
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I hope you brought your Nomex...
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Old 03-23-2008, 05:55 AM
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A strict diet of rice and lots of stickers.
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Old 03-23-2008, 06:37 AM
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before you spend a dime on any performance "goodys"....

do a compression test and leak down test on the motor....
to know for sure it is atleast a basically sound/decent motor to build on and not worn out....

a small displacement motor has to work much harder to accelerate a car's weight...
if they don't get alot of TLC thru out their mileage life they do tend to wear out much faster/sooner than a bigger motor....

bolt on any speed goodies to a worn out motor will gain you next to nothing in added performance

"fair chance" that you are 20%+ down on HP power from what it was when new due to just any or all the worn out tune up and sensor parts ....just the cost of those parts is going to empty your wallet in a heartbeat....to get the motor back to close to new condition performance

on any motor from a lawn mower to a car motor always test and diagnose the motor before you get out your wrenches or wallet.....

DO spend some time reading in the "Knowledge Base" link at the top of this page...100's of excellent articles explaining how to improve performance

my $.02:
I gag and I gasp everytime I look at the prices for import performance "tuner" parts....dollars spent per HP gained (typically $500 just for headers to gain just 10HP= $50 for each additional HP!)

the stock Mitsubishi motor is already factory "tweeked" to about it's practical max power versus cubic inches....there is NO cheap way to add enough more HP to make enough additional power (about 50HP more) that you will feel a big difference....because the car does weigh 3,000lbs
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Old 03-23-2008, 06:38 AM
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Ayuh,....

I hear a well Polished cam cover is Good for 10hp.....
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Old 03-23-2008, 07:28 AM
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Quote:
Originally Posted by bondo
Ayuh,....

I hear a well Polished cam cover is Good for 10hp.....
And those "A/C blower motor" turbos are good for 100!! Add a "tubinator" and another 25! Premium fuel, a resistor in the 02 sensor wire will gain 40. Doesn't take much to add 500hp!!
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Old 03-23-2008, 07:36 AM
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That cheap horsepower comes in small packages. It's hard to find such a thing, really.
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Old 03-23-2008, 07:51 AM
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research balance shaft removal. Don't get the kit. we installed the "balance shaft removal kit" on a freinds 91 eclipse it consisted of a few gaskets and a little plug that was supposed to spin in the oil pump. there were no oil passages in the plug and it quickly seized up and destroyed the oil pump. and may have contributed to throwing the time out and knocking the pistons into the valves..i say may have we aren't sure. but at any rate, cut the end off of your balance shaft and use that. (a side note..Its absolutely crucial to get the engine timed correctly, if not pistons hit valves and you have a bad day.)

they sell cams, headers cold air kits all of that, but when its all said and done you have an expensive engine making mediocre power.

if you really wanna put some gitty-up in your get-along get the engine and transmission from a FWD turbo eclipse talon or laser and toss that in. then upgrade the turbo and exhaust.

the DSM engine...for a 4 banger doesn't do to bad, when it works. But to to give you an idea of the reliability...I've personally had the engine out of 3 different cars 7 or 8 different times. and i don't even own one.
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Old 03-23-2008, 08:26 AM
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a reality check for the ricer jokers....

the "stock" HP on the 92' 4 banger GSX motor was 180Hp with only 120 cubes= that's 1.5HP per cube!!!

the sad part is Detroit is only "now" begining to offer even decent 2L HP per cube motors (Ecotec etc)...DOHC's have been on Honda's since how long ago...70's?

gooogle up a listing of 0-60mph times for production "performance" model cars...that 92' GS is still quicker than many offered today with a much bigger cube motor....

the "ricers" are forcing Detroit to do what they should have done 20 years ago....

(but I do hope the "Fart Can" mufflers sound will be "not cool" pretty soon...please!)
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Old 03-23-2008, 10:05 AM
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Those are pretty nice cars.I work on Hondas and if I had one the only thing I would do is get a CAI for it(pretty much for the sound).Make sure it is not one that will pick up any water.
I don,t know if they make short shifters for those cars or not.But the ones for the Hondas that I have driven I liked.So I would try that.
Welcome to the site.
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Old 03-23-2008, 10:27 AM
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No cheap way to get any reasonable return in hp. Just bite the bullet and get the turbo engine, drivetrain, wiring harness and ECU. You'll spend that much in cams, valvesprings, intake manifold, ported head and new pistons without ever touching the hp that the stock turbo engine can make with an adjustable wastegate.



Larry
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Old 03-23-2008, 11:26 AM
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Quote:
Originally Posted by coldknock
No cheap way to get any reasonable return in hp. Just bite the bullet and get the turbo engine, drive train, wiring harness and ECU.
good call i forgot about the electronics.

I second red65mustang some of the "ricer" cars do pretty good.

from the factory in 1988 a Monte Carlo SS came with 180 horse power from a 5.0 liter engine and got 17 mpg city and 24 on the highway.

in 1990 the Mitsubishi eclipse GSX came from the factory making 195 horse power from a 2.0 liter engine and got 20 mpg in the city and 25 on the highway.

I still like my Monte Carlo though...i know from experience a 1990 GSX doesn't stand a chance against it now.
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