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The IS200/Altezza DRIFT Car........


Monster-Mat
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Ok, so keep the base blue......get a good vinyl graphics company to make you up some shapes/lines etc in the colours you want (in exchange for advertising their services on the car :winky: )

& hey presto you have your base colour jazzed & changed without having to respray :D

But you have probably thought of this one already, so I will now shut up :lol:

or.....I know a good graffitti artist :whistling::lol:

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today................

the exhaust manifold flange arrived...well 2 arrived, and there fantastically made, thanks Robin

just confirming the order with an exhaust specialist in the US for the pipe material, so hopefully soon, will be able to start making up the turbo manifold.

manifold_flange.sized.jpg

This flange in itself, shows some of the difficulties im having doing this custom turbo set up.....theres very little actually available for the altezza when you really look into it.

hopefully i will only use the one flange, which means for the future, if any other altezza owner wishes to make a custom turbo set up, i will have a flange available.

i will be getting x2 T25 flanges cut aswell.....

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So you make a brand new custom tubular manifold for the 3S engine.... B)

of course, There are no top mount turbo manifolds for the 3s-ge, all the manifolds that are available are only available as built Turbo kits.

the price of one manifold i found was $3700...ye...ok

i asked a company in the uk to make me one, they wanted £1800.... :D

ill make my own thank you, Turbo manifolds are not so design dependant as manifolds for NA. where correct flow and design is critical

as such, it doesnt need to be equal length...however, i will try to make it as wonderfull as i can, as it will be going for ceramic coating aswell.....which is a £130 process

Edited by Monster-Mat
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hmmm how big will the manifold pipes be (dia) i am looking into buying myself a hydraulic pipe bender in the new year for upto 31/2" tube so i can do some playing (the bumper fun book of fluid dynamics is making an appearance too :duh: )

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Mat Note's 1

TURBO

COMPRESSOR

52 Trim

compressor inducer 51.2mm

compressor exducer 71.1mm

TURBINE

84 Trim

turbine exducer 51.8mm

Major 56.5mm

AR .61

CAMSHAFTS

TODA following camshafts.

Exhaust 285 Deg 13mm lift (Pn: 14121-XEI-011)

Inlet 268 Deg 12mm lift (Pn: 14111-XEI-001)

Valve Springs. (Pn: 14750-XEI-000)

Cam Pulley (L) IN (Pn:14210-XEI-001)

Cam Pulley ® EX (Pn:14211-XEI-001)

TRD disable VVTI plug, obtained from Toyota Motorsport

TODA x2 headgaskets available, The TRD is discontinued

Headgasket 0.5mm 88mm bore (Pn: 12251-3SG-205)

Headgasket 0.3mm 88mm bore (Pn: 12251-3SG-203)

Piston,Crank and Conrod

Toda 2.2 stroker 8.8:1 comp (std headgasket) 87x 93 (Pn: 13000-3sg-2TI)

Eagle Connecting rods

Edited by Monster-Mat
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compressor exducer is wider than the inducer. I take it that means that the compressor exit is larger dia than the inlet.

is that a connection onto the turbo itself or a divergent duct?

Edited by Monster-Mat
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compressor exducer is wider than the inducer. I take it that means that the compressor exit is larger dia than the inlet.

is that a connection onto the turbo itself or a divergent duct?

Wheel "trim" refers to the squared ratio of the smaller diameter divided by the larger diameter times 100. Generally, the larger the trim number the more flow the wheel has.

tech102.gif

For compressor wheels , larger trim tends to mean slightly lower efficiency.

For "families" of turbine wheels (those with the same inducer diameter), larger trim usually means better flow with less backpressure but longer spool time.

A/R is a ratio of the exhaust discharge area vs the distance from the center of turbine wheel to the center of the cross sectional area. Smaller A/R housing has faster spool up. Bigger A/R housing has less back pressure, more flow for the top end.

HKS uses Garrett turbos. HKS GT series turbos use Garrett GT's turbine with GT's compressor.

For example, HKS GT 2835 is GT28 turbine with GT35 52 trim compressor. which is the turbo i have selected to use on the drift car, and which is fitted as Twins to the monster

here is a good site to "read up" on turbo specific stuff

GARRETT

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Ah i keep forgetting on turbos the turbine is independant to the compressor :blush: i was thinking of the pressure loss between the comp and turbine.

was thinking you would benefit from changing a few duct shapes to gain some more pressure, however i'm back off to the dark place

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next thing i will be doing is drawing up the plans for my inlet plenum....

hers an example of what im hoping to achive.

plenum.jpg

the reason is, the std inlet plenum is very small, and fine for N/A applications, enlarging the inlet and change the inlet tracts will improve flow......,

it could be im just bored :D

as can be seen, there could be some work carried out on the inlet plenum

altezza_bits_2.sized.jpg

the runners (banana like tubes) can be straightened and made longer

altezza_bits_4.sized.jpg

Edited by Monster-Mat
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Mat Note's 2

INLET PLENUM DESIGNpicture by monster mat, resized by Ahmet

Must ensure the largest possible internal diameter.

plenum_sized.jpg

The Cross section @ A,B,C,D should still be larger than the remaining number of inlets. ( CIRCLE)

e.g

a = 4 x diameter of inlet + 50%

b = 3 x diameter of inlet + 50%

c = 2 x diameter of inlet + 50%

d = 1 x diameter of inlet + 50%

Edited by Monster-Mat
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  • 2 weeks later...

so, today i made it out the house,

decided that i couldnt stay in any longer and had to get on with what i needed to get done on the drifty car.

so today i removed the old aluminium boot floor, and bulkhead and chucked them....

bulkhead_removal_2.sized.jpg

i removed the sound deadening/dynamat....black ***** from hell :excl: ...with the gas torch :lol:

bulkhead_removed_and_boot_floor.sized.jpg

The new fuel cell, requires to be mounted into a metal box......ive made a new peice for the boot floor, which incorporates a box

replacement_boot_floor_1.sized.jpg

replacement_boot_floor_fuel_cell_box.sized.jpg

....and heres a test fit before welding the new floor panel in.....also test fitted the fuel cell fits :)

dry_test_with_fuel_cell.sized.jpg

Round the front, i welded up any openings in the bulkhead that will not be used....like master cylinder mount hole, clutch cylinder mount, and cable openings

welded_front_bulkhead.sized.jpg

tommorow should finish of the welding....and make the hold down straps for the fuel cell.....and will hopefully remove the sound deadening from the inside of the car :yawn:

Edited by Monster-Mat
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