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Joined: Dec 2003
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TheSaint
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TheSaint Apr 11, 3:54am - #150939 
2001 White Toyota Celica
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2001 Toyota Celica

Joined: Dec 2003
Posts: 38
Norfolk,VA
How Much can GTS auto handle?

I have a gts 4 speed auto w/ m mode deal, i have put TRD headers Injen Intake ordered my dc headers and was wondering how much horsepower my transmission can hold before i need to upgrade it. does anybody have any clue.and no krackin on the auto
Joined: Aug 2003
Posts: 6,372
Speed4TheNeed
Caleb
Speed4TheNeed Apr 11, 5:30am - #150940 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
it's really a matter of how fast that horsepower is applied, not necessarily the total amount.

you can have all the horses/torque you want, but your tranny can only spin so fast before it starts redlining (i have a manual gts and redline is 7800rpms)...and obviously driving in the redline for a relatively long time (over 5 seconds) can damage your tranny if you do it constantly enough.

as a rule of thumb, you should be able to add 100 more whp (wheel horsepower) gradually without needing a new tranny--but you still will only be able to go about 170 mph before you hit redline. (thats what it is in a 6spd anyway...4 spd i don't know how big the 4th gear is).

adding horsepower/torque really isnt meant to add top-end speed, it's meant to accelerate faster. thats the limitation of your tranny.

anyway, adding bolt-ons will get you NOWHERE near 100 whp...you can add exhaust, Intake, header, Turbo, nos...whatever..and your still only looking at about 50-60 whp gain...all of which your stock tranny can handle easily (although replacing your clutch with a more aggressive one is recommeneded--the stock clutch is rather weak. if you plan on adding a significant amoutn of horsepower/torque...a new clutch/flywheel should be at the top of your list thumbsup
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v3n0m
Specialist
v3n0m Apr 11, 5:54am - #150941 

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2001 Toyota Celica GT

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Posts: 2,863
St. George, UT
why do you have two headers?
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Posts: 3,077
slidr
Specialist
slidr Apr 11, 6:02am - #150942 

Specialist
2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
Originally Posted by v3n0m
why do you have two headers?
Heheh.
He doesn't, I guess he meant a header.

Anyways, your tranny can easily hold those bolt-ons.

Aqua Teen Hunger Force...number one in the hood, G
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Posts: 38
TheSaint
Member
TheSaint Apr 11, 6:19am - #150943 
2001 White Toyota Celica
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2001 Toyota Celica

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Posts: 38
Norfolk,VA
i meant TRD exhaust
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Posts: 451
nebraskaGTS
Senior Member
nebraskaGTS Apr 11, 6:28am - #150944 

Senior Member
2000 Toyota Celica

Joined: Dec 2003
Posts: 451
Nebraska
Quote:

anyway, adding bolt-ons will get you NOWHERE near 100 whp...you can add exhaust, Intake, header, Turbo, nos...whatever..and your still only looking at about 50-60 whp gain..:


sad isn't it? cry
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Posts: 3,030
Erick
Bread Fishing..
Erick Apr 11, 7:55am - #150945 

Bread Fishing..
2001 Toyota Celica GT

Joined: Sep 2002
Posts: 3,030
Bay Area, CA
Quote:

anyway, adding bolt-ons will get you NOWHERE near 100 whp...you can add exhaust, Intake, header, Turbo, nos...whatever..and your still only looking at about 50-60 whp gain..:


sad isn't it? cry [/quote]agreed cry

LNK
"you only need something when you know it exists..then it becomes a want"
Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid Apr 11, 9:15am - #150946 
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
there is really nothing you can do to upgrade your auto tranny...

it will be fine with IHE.
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Speed4TheNeed
Caleb
Speed4TheNeed Apr 11, 11:15am - #150947 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Originally Posted by spaztikid
there is really nothing you can do to upgrade your auto tranny...

it will be fine with IHE.


even if you added a Turbo/supercharger it would still handle the extra power easily (although as i already said a new clutch/flywheel would do him good)

**DONOTDELETE**
Unregistered
Anonymous Apr 11, 12:46pm - #150948 
Unregistered



first upgrade to a clutch and then go from there...
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Posts: 38
TheSaint
Member
TheSaint Apr 11, 1:19pm - #150949 
2001 White Toyota Celica
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2001 Toyota Celica

Joined: Dec 2003
Posts: 38
Norfolk,VA
sure i can upgrade it i've looked into it quite a bit here is a place that specializes in auto transmissions. http://www.levelten.com
Joined: Jul 2002
Posts: 10,123
VSGTS14
05 WRB
VSGTS14 Apr 11, 5:41pm - #150950 

05 WRB
2005 Subaru WRX STi

Joined: Jul 2002
Posts: 10,123
Milford, NJ
why do you have TRD headers and bought DC headers?

SUBARU TECNICA INTERNATIONAL
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Posts: 5,346
spaztikid
dikitzaps
spaztikid Apr 11, 5:50pm - #150951 
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Originally Posted by VSGTS14
why do you have TRD headers and bought DC headers?


downgrading laughsilly rofl rofl
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Posts: 2,269
NorwayGT
Specialist
NorwayGT Apr 11, 5:53pm - #150952 

Specialist
2004 Dodge SRT4

Joined: Aug 2003
Posts: 2,269
Seattle, WA
Originally Posted by spaztikid
Originally Posted by VSGTS14
why do you have TRD headers and bought DC headers?


downgrading laughsilly rofl rofl

a cuple posts up he said that he ment TRD exhaust, not TRD header

was....5speed with i/h/e
15.41 @ 89.30mph 2.282 60'

is....04 srt4 stock
13.936 100.15mph 2.177 60'
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