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Scion tC 1G Drivetrain & Power Engine and transmission discussions...

new flywheel on an outo ya or na

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Old May 29, 2006 | 02:30 AM
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Default new flywheel on an outo ya or na

just wondering if an aluminum flywheel is a good mod on an automatic
Old May 29, 2006 | 02:36 AM
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are you joking autos don't have flywheels
Old May 29, 2006 | 02:40 AM
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ya i wasn,t sure about that or not.
Old May 29, 2006 | 02:41 AM
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do you have any mods at all yet?
Old May 29, 2006 | 02:43 AM
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zpi makes shift kits for the auto but i don't know if it is out yet. check that website.
Old May 29, 2006 | 02:44 AM
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just orders injen cai and zpi krank shaft pulley. zpi shipping sux wish i,d have done more research
Old May 29, 2006 | 03:00 AM
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whats the shift kit. sorry i dont know much about cars. kinda sad being how i work on f'ing airplanes.
Old May 29, 2006 | 03:22 AM
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i think it changes shift points and causes more aggressive shifts. but not sure about that.
Old May 29, 2006 | 03:28 AM
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Originally Posted by xXxsocalxXx
whats the shift kit. sorry i dont know much about cars. kinda sad being how i work on f'ing airplanes.
dont worry, theres a lot of cool peopple on this page that will fill you in. just as questions. a lot of people here love to answer them and help people out.
Old May 29, 2006 | 03:34 AM
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The counter part for a flywheel on a auto is the torque converter, the only reason to upgrade the torque converter is to be able to launch at higher rpms (shifting into D from N). It would probably be pretty useless on these cars seeing how as the transmission isnt really built up. I'd recommend looking into headers, intake and exhausts.
Old May 29, 2006 | 04:18 AM
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did you buy your car yet? if you thinking of doing performance mods go with a 5sp. it'll respond better and faster to begin with.
Old May 29, 2006 | 04:22 AM
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yea 5spd is the way to go, i made a mistake and got an auto, but i din know how to drive a manual at the time and din know anything about mids and stuff.

but unless ur gonna turbo, simple bolt ons won't give considerable HP gains, especially a 4 spd AUTO.
Old May 29, 2006 | 04:39 AM
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ya im in the same boat. im from LA but im stationed in spokane wa. i bought my car in la cause dad has the hook ups and drove 25 hours to spokane. i'v never owned a stick so im not the greatest. but i wish i had a stick now
Old May 29, 2006 | 04:44 AM
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Don't worry about driving an auto. A manual's more fun to drive and whatnot but if your commute goes through ugly traffic or if you're not quite comfortable with a manual than it's far more prudent to get an automatic.

Automatics can take some modding too. Due to the final drive on the auto tCs, they're a bit better for adding a good amount of power and using it.

The shift kit will make shifting quicker and more direct so you can accelerate faster and so your torque converter isn't under a whole mess of stress from high power shifting.

Other than blasting your transmission, which is a pretty high horsepower prospect, your A/T tC will be fine under some good power for the most part.
Old May 29, 2006 | 04:53 AM
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i havnt seen any shift kits on zpi do you have any recommendations. and ya part of the reason i bought an auto is cause i plan on moving back to so cal. worst traffic ever i think
Old May 29, 2006 | 04:57 AM
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maybe they haven't released it yet. but i know they are working on it or someone is anyway.
Old May 29, 2006 | 05:02 AM
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It's more fun to drive and whatnot
Have you ever driven a manual?

The only time automatic is fun is when you rent a big freakin Uhaul truck, fun because you dont have to worry about dropping the box onto the highway :p
Old May 29, 2006 | 05:34 AM
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My bad; I meant for the antecedent of "it" to be "a manual."

Auto being more fun to drive? YUCK!

Sorry, I was thinking it but you know, sometimes what one thinks doesn't make it past one's finger tips.

It's edited now. Thanks mattvs; that was a terrible slip up, calling an auto fun to drive!

I'll give it one thing though; an auto is far more relaxing to drive when one is dead tired or is missing a left leg.
Old May 30, 2006 | 11:50 AM
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lol i shift my auto like a stick shift, when i start the car up i always put it down to first gear, then you know as the rpms get higher i shift into the next, then 3rd witch is drive then slide the shifter back into "4th" drive also lol. its fun i think kinda like having a stick withought a clutch, one of my friends tease me for doing it but im the one laughing when i beat his v6 stick shift mazda! ahaa
Old May 30, 2006 | 01:21 PM
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Originally Posted by Silencei2
The counter part for a flywheel on a auto is the torque converter,
not true...

the torque converter is the counter part of the clutch.
the flex plate (or starter ring) is the counterpart for the flywheel.

Originally Posted by Silencei2
the only reason to upgrade the torque converter is to be able to launch at higher rpms (shifting into D from N). It would probably be pretty useless on these cars seeing how as the transmission isnt really built up. I'd recommend looking into headers, intake and exhausts.
not the only reason, and you stated it incorrectly...

launching at higher rpms is know as a stall speed.
this has nothing to do with shifting... you put your foot on the barke and gas. at some point the motor will stall because it can't release the power.
keeping the rpms up will keep the motor in the better parts of the powerband.

the other aspect of a torque converter that need to be address if you want to build a high hp car...is the ability to 'lock up'



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