Celica Forums General Discussion Engine and Performance ALL perfomance mods you can do to a GT (n/a)...

Can someone list pretty much all the performance (mods that will decrease 1/4 mile time) mods that you can do to a GT? I'm talking n/a, not turbos or anything.

Intake, header, exhaust...what else?

I/E/H, pulley kits, cams, dyno tuning...

-lightweight 15" rims
-lightweight flywheel, but not too light for the launch
(at least you don't have to worry about landing in lift)
-weight reduction
-drag radials (and use them right for a better launch)
-PowerFC and datalogit and dynotuning with wideband o2 sensor

more involved:

don't know how much cams for the GT will add. not sure if someone has dynotuned this mod yet. perhaps monkeywrenchracing has or will in the near future.

higher compression pistons, MWR big bore pistons and sleeves kit (1.93 L), valve springs to rev higher (if you can make power there).


caution:

stay away from crank pulleys, you'll run a high risk of blowing your engine.
you can get the AEM or UR alternator pulley and the UR water pump pulley but that might just give you 1-2 hp. maybe for another 1 hp you can get a shorter belt to bypass A/C.

QTRMLR1 pretty much sumed it up

for engine go with
Intake, Header, Exhuast(or you don't even need the exhuast), Pulleys, cams,(they don't have camgears out yet only the cam shafts), Power FC ecu, MWR big bore kit, connecting rods, stud kit, valve, springs, and retainers, port and polish, 3point (or 5 point) angle valve job i porbably forgot somethings

you also going to need
A better clutch
A lightweight Flywheel
LSD to help get the power to the ground
Lightweight Rims
and Drag radials

yeah thought about pnp later. though one has to be careful on this piece also as a shop could easily make it worse, and I don't think they'll pay for a new head. make sure you get a flow bench test before and after.

that's right I think there are valve retainers out for the GT but not the GTS. on the connecting rods and studs, I believe they don't add power and are only really needed strengthwise for F/I. the valves would be used for F/I likewise but may help N/A if they are lighter than stock valves.

although the LSD should help traction on the launch, I believe I heard it may not help as much as one would think and the drag radials do a lot more. unfortunately I don't have experience with this, and one should ask Illusive about it.

yup right about the clutch. if it's lasting and not slipping under the increased hp, the qtr mile times would be what they should be.

They pretty much summed it up above... but there is always weight reduction. Seats, carpet, spare tire, jack can all go.