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serious Metro mods


[CAR] Go Geo Go
04-06-2002, 11:08 PM
Okay...seeing how the Geo has been bashed relentlessly because of its three banger engine, I've made it my goal to take my 1993 Geo Metro Conv. LSi 1.0L 3 cyl. engine to the max. Most of this came, however, after I had to replace the clutch (I saw a lot of room for improvement, but I didn't have the money at the time). Anyway, I'm just asking for little help and input on how I can go about achieving my goal.
Firstly, I can get a custom made super charger (w/o intercooler) for about $70 from a friend of the family. It'll add about 40 hp, but I'm worried about my engine being able to handle it. How much do you think it would take to reinforce the engine to withstand greater power?
Secondly, I've already considered GeoMaster's intake system (before reading his post), but I'm weary on not using ANY sort of air filter. I haven't checked for a K&N one either.
Thirdly, would I have to buy different half shafts to compensate for greater torque at the wheels? And how could I go about doing that more effectively?
Fourthly, the exhaust system. Actually, I'm not worried about that, it's taken care of...I think.

Just some general info on the car. It has about 100,000 miles on it, but he owner before me (family friend) was a mechanic and took really good care of it. It costs a pretty penny, but I also maintain that high quality care. Anyway, there are new tires, exhaust (from the catalytic converter back), clutch, and then the regular stuff (filters, oils, etc.)
:sun:

enginerd
04-27-2002, 11:57 AM
Used to be you could get a turbo 3 banger from Pep Boys. I'd try that as it being the simplest mod (with a warranty). I'd stay away from KandN filters if your car is fuel injected (the oil tends to drip and clog the MAS sensor.

89ssgti
04-28-2002, 12:36 AM
you could swap the complete drivetrain from a Sprint/Firefly turbo in your car,then build the engine,up the boost and all that stuff.

A20A1
04-28-2002, 06:58 PM
I think most turbos I've seen use a special type of foam filter with a funnel ram opening just before the intake pipe to the turbo.
I think someone mentioned in another post that Jackson Racing made a SC kit for the Geo.

dgawrylow
12-06-2002, 05:18 PM
Originally posted by [CAR] Go Geo Go
Okay...seeing how the Geo has been bashed relentlessly because of its three banger engine, I've made it my goal to take my 1993 Geo Metro Conv. LSi 1.0L 3 cyl. engine to the max. Most of this came, however, after I had to replace the clutch (I saw a lot of room for improvement, but I didn't have the money at the time). Anyway, I'm just asking for little help and input on how I can go about achieving my goal.
Firstly, I can get a custom made super charger (w/o intercooler) for about $70 from a friend of the family. It'll add about 40 hp, but I'm worried about my engine being able to handle it. How much do you think it would take to reinforce the engine to withstand greater power?
Secondly, I've already considered GeoMaster's intake system (before reading his post), but I'm weary on not using ANY sort of air filter. I haven't checked for a K&N one either.
Thirdly, would I have to buy different half shafts to compensate for greater torque at the wheels? And how could I go about doing that more effectively?
Fourthly, the exhaust system. Actually, I'm not worried about that, it's taken care of...I think.

Just some general info on the car. It has about 100,000 miles on it, but he owner before me (family friend) was a mechanic and took really good care of it. It costs a pretty penny, but I also maintain that high quality care. Anyway, there are new tires, exhaust (from the catalytic converter back), clutch, and then the regular stuff (filters, oils, etc.)
:sun:


$70 supercharger? Doubtful.

$70 supercharger producing enough PSI to need an intercooler? Impossible.

A Geo Metro with enough torque to need new half-shafts? Priceless.

Scott 02
02-04-2003, 04:03 PM
Post Removed??? What the hell? I know it wasn't bad.:hehe:

Just put my .02 cents worth in. ;)

flylwsi
02-04-2003, 05:44 PM
i've only seen k&n filters drip oil if someone overdoes it when they reoil their filter after cleaning.

there's never been an s/c for the metro. sorry...

i've seen turbo'd metro's, but they're rare.

Scott 02
02-04-2003, 09:42 PM
Turbo Metros are rare alright. I have seen one. Not sure if it was a real turbo Metro but it said turbo on the side. Since it looked different than the regular ones, im assuming it was.

bowtiebandit
02-04-2003, 11:02 PM
You should try driving one!!!! Torque steer like you can not imagine. We had a new one on the lot that a customer took for a test drive,put the hammer down and hung a turn right into a parked car:bloated:

Scott 02
02-26-2003, 08:58 PM
I should If I could ever find one were I live.

integra818
03-02-2003, 12:31 AM
I saw one with a suzuki swift 4 cyl in it, it was turbo and seriously built, it was in a 2002 issue of SportCompactCar.

Greg Sharpe
03-04-2003, 11:59 PM
Going the turbo3 route is viable, cheap, and there's actually a whole bunch of us (http://forums.delphiforums.com/turbo3haven) with these engines in all 3 generations of these chassis, so you'd have alot of background to pull from. You can find turbo3 engines in junk yards for a couple hundred bucks! They put down 100lb.ft. STOCK. Grab a manual boost controller and hang on, torque steer like you wouldn't believe.

integra818
03-05-2003, 12:43 AM
Originally posted by Greg Sharpe
Going the turbo3 route is viable, cheap, and there's actually a whole bunch of us (http://forums.delphiforums.com/turbo3haven) with these engines in all 3 generations of these chassis, so you'd have alot of background to pull from. You can find turbo3 engines in junk yards for a couple hundred bucks! They put down 100lb.ft. STOCK. Grab a manual boost controller and hang on, torque steer like you wouldn't believe.


Any idea how much hp it has? I really wanna know

Greg Sharpe
03-06-2003, 11:31 AM
70hp & 100lb.ft. @ 7psi (stock boost). The factory turbo max's out around 120-130hp around 20psi. It's blowing fire at that point, so most owners move the IC up front. What's neat about this size engine is that owners of different turbo cars usually upgrade their turbos and sell off the stock turbos. Those stock turbos are usually well sized to upgrade the Turbo 1.0L engines. The turbos from WRXs (TD-04) and 2nd gen Eclipse/Talon/Lasers (T-25) work well, as do the Audi/VW (K03) turbos.

Scott 02
03-06-2003, 12:37 PM
Sounds like them motors could blow any minute.:eek:

integra818
03-06-2003, 05:49 PM
[QUOTE]Originally posted by Greg Sharpe
[B]70hp & 100lb.ft. @ 7psi...QUOTE]


Is'nt that 10 hp more than stock? how much lb.ft does the metro have stock?

Greg Sharpe
03-07-2003, 09:21 PM
The N/A Metro has 55 lb.ft. of torque.

And no, the motors aren't on the raged edge of blowing up. Their extremely short cranks are inherently rigid, and the rocker arms actuate the valves directly. No shim and bucket design that will come apart when the valves float. Furthermore, at
8.1:1 compression ratio the piston speeds are rather low at TDC, making the stress on the bearings low. Oh, and the distributor has a boost retard feature. Also, there's a knock sensor (that's right, a knock sensor on a 1987 model!). Not to mention it's multiport fuel injection. And how about that closed deck block? Opps, forgot to mention the hyperutectic pistons that happen to be ceramic coated right from the factory. Hyperutectic, in this case, means these pistons have a higher than usual silcone content which keeps them from expanding excessively under high temperature conditions.

I'm not trying to be a smartass, it just irks me when people diss these cars and engines for being worthless.

lucyseabug
06-20-2003, 07:30 AM
Nitrous works. Its cheap too. You just have to hook up a whipping cream can to it and hit the gas. Whatever you do to bump up the power, I might recognize you by the blue-smoke trail from behind as you try to keep the west nile virus from spreading.

Euro19
06-21-2003, 01:50 AM
Just donīt try to mod it too much, It could harm the engine and structure because the Metro wasnīt desing for modifications in mind, like Civics, etc. A 3cyl engine is delicated and unpowered, and putting more HP extras wonīt really make a diference. Good luck :wink:

Phain
07-06-2004, 08:25 PM
I know you said you'd use the original engine... but for others.. would the speed (!) equipment available for the 4 cyl Sammi fit the 4 cyl Metro engine? I have pumped up my sammi engine and got significantly more hp. I can do 80+ mph, and on a sammi that is like pushing a parachute in front of you. Or something. Lots of wind resistance because of body shape. I have lots bigger tires, and it is raised, with armor underneath so I am heavier too.

My point is that there are lots of speed parts available.

geozukigti
07-08-2004, 08:23 AM
If you want even more out of your Sammi, do the DOHC head swap on it. It's a bolt on. Just gotta use the Swift GT engine wiring harness and computer. The DOHC head should probably get another 15-25 hp out of your sammi head. And you can get some nice headers and a cultus intake manifold for even more power.

Phain
07-08-2004, 07:23 PM
Hmm.. that's an idea. That would also raise my compression ratio somewhat. I already have the Doug Thorley header. I think, if/when I go to EFI I will use the megasquirt ECM. Cheaper, and hopefully more durable. At least it will be more fun to tinker with. Are you *sure* that head will fit? Seems like I have to find some rt-angle adapter for the distributor, and there is a problem with the headgasket and also with finding a belt that will fit. But it is an interesting thought. For off-road use I'd prolly wanna change the cams. I run the Isky Torquer mid-range cam. It makes a *big* difference.

A complete engine swap to a 8v 1600 would make sense for me as I want to low-end torque off-road and am so tight I squeek when I walk. Instead of swapping to the DOHC engine I mean. The VW diesel swap is interesting also.

geozukigti
07-09-2004, 11:30 PM
http://www.teamswift.net/forum/viewforum.php?f=7&sid=483889eac2fb90bd8dbb4adb19cbf20d

My buddy in Ohio builds Megasquirts, and all the additional components. If you want his email, he can hook you up with a ready to go unit, and a laptop pre-loaded with the software.

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