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Joined: Dec 2002
Posts: 290
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Member
2002 Toyota Celica GT
Member
2002 Toyota Celica GT
Joined: Dec 2002
Posts: 290
Likes: 1
ok, this might be a stupid question/topic. i know ive read on previous threads that it isnt possible to twin turbo a four cylinder engine (i dont remember why exactly, but i think it had something to do with the orientation, such as compared to a v6, which has two separate exhaust manifolds, therefore two turbos can be situated). but, there are inline six cylinder engines that are twin turbo'd (ie. skyline gtr). so is it really the number of cylinders, or because of the lack of space that fours cant be twin'd?

Joined: May 2002
Posts: 3,286
ECelica Staff
2001 Toyota Celica GTS
ECelica Staff
2001 Toyota Celica GTS
Joined: May 2002
Posts: 3,286
Anything can be done. Do i remcommend this? no.

Joined: May 2003
Posts: 5,342
dikitzaps
1974 Toyota Celica
dikitzaps
1974 Toyota Celica
Joined: May 2003
Posts: 5,342
one contributing factor is that TT's are basically used for this reason...the first turbo is small and spools up so that there isn't any lag from the time you press the gas until the time the big turbo spools up. They are made like this because the bigger turbo wont spool up till a much higher RPM...the idea is that you are eliminating turbo lag.

A four cyl. engine cannot handle as much boost as a 6 cyl and therefore does not need a TT. A single turbo that spools throughout the entire powerband is capable of producing more than enough boost to blow the engine. For this reason we dont need TT's.

Joined: Apr 2003
Posts: 894
Senior Member
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Posts: 894
i don't think there would be enough exhaust gas pressure to spool 2 turbo's simultaneously anyway(for the celica).


rip celi...
95 240sx

Joined: Jan 2003
Posts: 2,154
ECelica Staff
2002 Toyota Celica GT
ECelica Staff
2002 Toyota Celica GT
Joined: Jan 2003
Posts: 2,154
you can go quad turbo, 1 turbo for each cylinder spineyes


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Joined: Dec 2002
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Member
2002 Toyota Celica GT
Member
2002 Toyota Celica GT
Joined: Dec 2002
Posts: 290
Likes: 1
alright, alright...i told you it would be a stupid question... just wanted to know why...

Last edited by vejita_13; Dec 9, 2003 11:11pm.

Joined: Nov 2003
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Senior Member
1996 Geo Prizm
Senior Member
1996 Geo Prizm
Joined: Nov 2003
Posts: 834
Originally Posted by Street Prototype
you can go quad turbo, 1 turbo for each cylinder spineyes
rofl

Joined: Dec 2002
Posts: 290
Likes: 1
Member
2002 Toyota Celica GT
Member
2002 Toyota Celica GT
Joined: Dec 2002
Posts: 290
Likes: 1
thank you spaz and element for the useful info. if this is all the constructive input that is going to become of this thread, please close it. otherwise its a waste of space.

Last edited by vejita_13; Dec 10, 2003 12:18am.
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Street Prototype
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2002 Toyota Celica GT
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