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Joined: Feb 2004
Posts: 47
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2000 Toyota Celica
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2000 Toyota Celica
Joined: Feb 2004
Posts: 47
Has any one tried this and can recommend the easiest way to do it? I plan on looking into the SF Turbo kit in the future and from what I have been reading it seems the only way to maximize the Turbo's potential, at least torque wise, in a GTS is to lower the compression ratio in the engine. Can anyone recommend the easiest and cheapest way to do this? Would this effect the overall WHP significantly? I would like to maximize torque without sacrificing to much HP.

Joined: Aug 2003
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2000 Toyota Celica GT
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2000 Toyota Celica GT
Joined: Aug 2003
Posts: 222
if you lower your compression, you will lose some hp, but you gain it back with a Turbo because you can now boost higher safely, but i would also recommend doing the rods while you are at it if you plan on running high boost. You can also get a bore kit that will not take as much away from the hp but is also costly to do.

Joined: Feb 2004
Posts: 47
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2000 Toyota Celica
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2000 Toyota Celica
Joined: Feb 2004
Posts: 47
Yeah I figured it might have to sacrifice some HP but that's ok as long as the Turbo produces. I would like to avoid a bore kit if at all possible especially if there is a cheaper and easier way to do it. I believe I read somewhere on one of these post about a lower compression kit? I'm assuming this is referring to a piston and rod kit that could do the trick. If this is true, where could I find one for a 00 GTS? Also, is there anything else I might need to strengthen (i.e. tranny, suspension, etc.) for the Turbo?

Joined: Nov 2002
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Originally Posted by daman1799
Yeah I figured it might have to sacrifice some HP but that's ok as long as the Turbo produces. I would like to avoid a bore kit if at all possible especially if there is a cheaper and easier way to do it. I believe I read somewhere on one of these post about a lower compression kit? I'm assuming this is referring to a piston and rod kit that could do the trick. If this is true, where could I find one for a 00 GTS? Also, is there anything else I might need to strengthen (i.e. tranny, suspension, etc.) for the Turbo?

unless you plan on making over 275whp, you dont need lower compression pistions.

if you plan on going over 275 whp, you will need more than lower compression.

stronger transaxle, new sleves, apr head bolts, new connecting rods, standalone fuel management (not piggy back)

ect


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2000 Toyota Celica
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Originally Posted by Illusive
Originally Posted by daman1799
Yeah I figured it might have to sacrifice some HP but that's ok as long as the Turbo produces. I would like to avoid a bore kit if at all possible especially if there is a cheaper and easier way to do it. I believe I read somewhere on one of these post about a lower compression kit? I'm assuming this is referring to a piston and rod kit that could do the trick. If this is true, where could I find one for a 00 GTS? Also, is there anything else I might need to strengthen (i.e. tranny, suspension, etc.) for the Turbo?

unless you plan on making over 275whp, you dont need lower compression pistions.

if you plan on going over 275 whp, you will need more than lower compression.

stronger transaxle, new sleves, apr head bolts, new connecting rods, standalone fuel management (not piggy back)

ect

good info illusive and dont think the tranny handles that power too well either


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that weird how lowering it helps a Turbo work to its potential thumbsup

Joined: May 2003
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dikitzaps
1974 Toyota Celica
dikitzaps
1974 Toyota Celica
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its your tranny thats gonna be the problem

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2000 Toyota Celica
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2000 Toyota Celica
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Yeah but a Performance clutch and flywheel should help the tranny, right?

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2000 Toyota Celica
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Originally Posted by XplodCelica0708
that weird how lowering it helps a Turbo work to its potential thumbsup
Not really, because the lower the compression ratio, the more air that can be crammed into the cylinders.


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seabass
2000 Toyota Celica GTS
seabass
2000 Toyota Celica GTS
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Originally Posted by daman1799
Yeah but a Performance clutch and flywheel should help the tranny, right?

that will help with using the power but your tranny will still dynamite (if its stock) you need cryo treated gears and such


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