600+ hp 2.2l?
03-13-2009, 11:16 AM
#52
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On a single outlet engine (like a 4-banger) they stack them. Sometimes they use a smaller one to spool the little one -- piggy backing them to decrease lag time and increase boost. I guess it could work. As for handling it.......that is why he's building the motor.
03-13-2009, 11:17 AM
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03-13-2009, 03:12 PM
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couldnt i also use the WOT box to help spool the turbo at launch?
Last edited by Nato09; 03-13-2009 at 03:12 PM. Reason: Automerged Doublepost
03-13-2009, 03:14 PM
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i heard from my brother there is a guy that twin turboed his cobalt (not sure the displacement). there is a smaller turbo that feeds the bigger turbo resulting in 50+ lbs of boost. he also put over 50grand into the car though.. id like to see the dyno numbers though. they have to be rediculous.
couldnt i also use the WOT box to help spool the turbo at launch?
couldnt i also use the WOT box to help spool the turbo at launch?
i believe when you have two turbos one spolling the others its refered to a bi-turbo set up
03-13-2009, 03:17 PM
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03-14-2009, 01:22 AM
#60
same ****. you can route the belt either way you want, but in the end, the crank is running both of them.
im pretty sure the smaller turbo spooling a larger turbo is called a sequential turbo setup. A bi-turbo setup is just the european equivalent to a twin turbo setup. Im pretty sure AMG's engines use twin turbos, but theyre all called bi-turbo cars.
the guy with the bi-turbo car btw was Victory_red_ss. He did spend like $50k on his car. Sequential turbos, RWD conversion, etc. It was a big build.
im pretty sure the smaller turbo spooling a larger turbo is called a sequential turbo setup. A bi-turbo setup is just the european equivalent to a twin turbo setup. Im pretty sure AMG's engines use twin turbos, but theyre all called bi-turbo cars.
the guy with the bi-turbo car btw was Victory_red_ss. He did spend like $50k on his car. Sequential turbos, RWD conversion, etc. It was a big build.
03-22-2009, 12:55 PM
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It can be done, but id go straight turbo, and a big ass one, and it would cost alot more than 7500 to pull it off, just becuase of all the suppoting mods you would need
03-22-2009, 01:00 PM
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I agree, on a 4 cylinder you get a lot more efficient setup by running just one big turbo than twinturbo/twincharged. Leave twin turbos to v6 and v8, and twincharging is just a lot of work.
03-23-2009, 09:30 AM
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. Anything over 500hp on FWD not effecient.
03-23-2009, 10:25 AM
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Not on street tires anyways. But yeah, you can fit a big turbo behind the firewall, vulcan makes a nice manifold for that, it's angled downward more.
03-23-2009, 11:46 AM
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First youd have to swap out just about every oem drivetrain, engine, and suspension part on your car.
After youve concurred that youd have to convert to full standalone cuz no way the stock computers gonna handle anything near that. And since NO ONE has gone standalone yet, that will be a mammoth project.
So in short like everyone else has stated... just not worth it!
After youve concurred that youd have to convert to full standalone cuz no way the stock computers gonna handle anything near that. And since NO ONE has gone standalone yet, that will be a mammoth project.
So in short like everyone else has stated... just not worth it!
03-23-2009, 10:34 PM
#69
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Im pretty sure their sunfire has been destroked.
Skunk on JBO is shooting for 500whp on his new set-up and Daflyingskwirl is going for big numbers and low E/Ts, but he is running a LSJ bottom end.
03-23-2009, 11:11 PM
#70
Your only hope would be to follow the GM Build Book. If you don't follow the recipe, it won't come out right and you with have countless unforeseen problems. You can't just install all these parts and go fast successfully, you have to work progressively over a period of years.
You do realize that you will not be able to drive your car on the street anymore. Also you will need a roll cage and possibly a parachute if you can get the thing to hook up.
So in addition to parts and labor for your car, you will need a towing vehicle, a trailer, and possibly another vehicle as a daily driver. That sounds like tens of thousands of dollars to me.
Honestly cars at that level are owned by race teams that have sponsors($$$) to pay for tools, parts, engineers, and mechanics.
Cobalts are FWD, which = fail for launching from a dig or putting power to the ground efficiently.
You can go much faster, for a lot less money, in a different car. Get something that is RWD or AWD, those layouts have superior launching abilities. Launching can be the most crucial thing to winning 1/4 races.
Good luck.
You do realize that you will not be able to drive your car on the street anymore. Also you will need a roll cage and possibly a parachute if you can get the thing to hook up.
So in addition to parts and labor for your car, you will need a towing vehicle, a trailer, and possibly another vehicle as a daily driver. That sounds like tens of thousands of dollars to me.
Honestly cars at that level are owned by race teams that have sponsors($$$) to pay for tools, parts, engineers, and mechanics.
Cobalts are FWD, which = fail for launching from a dig or putting power to the ground efficiently.
You can go much faster, for a lot less money, in a different car. Get something that is RWD or AWD, those layouts have superior launching abilities. Launching can be the most crucial thing to winning 1/4 races.
Good luck.
03-23-2009, 11:55 PM
#71
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alrighty so im looking at investing in the following:
gt35r turbo kit
3" catback
WOT box
sticky sticky tires
solid motor + tranny mounts
stg 2 clutch
tune
pistons + rods
anything i missed?
gt35r turbo kit
3" catback
WOT box
sticky sticky tires
solid motor + tranny mounts
stg 2 clutch
tune
pistons + rods
anything i missed?
03-24-2009, 12:13 AM
#74
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procharger kit
vulcan intake mani
ZZp header/downpipe
spec 3 clutch
8.9:1 wiseco pistons
eagle rods
ARP headstuds
2.4 tb
Fmic + 2.5in pipe
B&G coilovers
patriot stage 2 head
exhaust mani gasket
throwout bearing
79lb injectors + harness
Cosmetic head gasket
Walbro 255 LPH Fuel Pump
stage 2 axels - still need
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