My mk4 Toyota Supra turbo project
My mk4 Toyota Supra turbo project
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j_s14a

Original Poster:

874 posts

206 months

Wednesday 23rd December 2015
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As my Supra is about to undergo a pretty major transformation, I thought I would start a thread showing my progress up until now, and then the results in the next few weeks. smile

I bought my Supra last year, without a rational reason. I had already had 3 of them, of various sorts, and the Corrado VR6 that I had (and still own) just wasn't scratching my petrolhead itch. By complete chance, a Supra appeared for sale on here, that seemed too good to be true. It was still in Japan, a grade 4 on the auction sheet, with decent miles, and most importantly, it was a 99% stock vvti turbo model.



So a deal was struck, and a few weeks later I made the long round trip from York to Devon to collect it.

As is often the way with these things, my initial plans were simple; full de cat & exhaust, boost controller, upgrade brakes and suspension, Recaro seats, BBS LM wheels, uprated side mounted intercooler, full waxoyl/underseal and remove the factory optional bodykit. Unfortunately the car had other ideas, the OEM kit had damaged the paint, so it needed quite a bit of paintwork.

After its period in the paintshop


And a comparison






A pretty major part of this stage in the cars life was replacing the stock Tiptronic steering wheel shift buttons with AMG paddleshifters. This modification has transformed the way the car drives. Before and after


I took it on a roadtrip around Europe soon afterwards, visiting the Nurburgring, Barcelona, Andorra, Paris and Bruges




I'm pleased to report she took the several thousand mile journey in her stride. One day covering over 900 miles with only 3 stops.

When I got back, I set to some restoration / preventative maintenance.

brand new OEM lights all round (wallet busters! biggrin )


a second, much more thorough application of waxoyl


replacing the BBS LM's with some BBS RGRs. I preferred the simplicity and lighter weight.


And lots of other trim bits etc.

This is now how she looks






For anyone interested, there is a much more thorough build thread (some 30 pages long) on the owners forum, with hundreds more pictures.

Edited by j_s14a on Wednesday 23 December 20:59

j_s14a

Original Poster:

874 posts

206 months

Wednesday 23rd December 2015
quotequote all
With the car looking pretty much perfect inside and out, it is time to go for more power. smile
In its current tune, it should be circa 380-400hp at the flywheel, @ 1.2 bar boost on the stock twin turbos.

My aim for tuning the car is to build an ultra responsive, reliable street car, that is as happy going to the shops as blasting down the autobahn. While I will use first rate components throughout the build, a lot of thought has been put into specifying products specifically for the sort of power I'm looking for. This also mean I will be keeping the tiptronic gearbox, as the legendary Getrag 6 speed these cars come with is a pig in traffic. In addition to the engine management, the Syvecs will give me a brilliant traction control system, and cruise control.

So with all that in mind, my final spec is:

3.0 VVTi 2JZ-GTE engine. Completely stock and unopened.
HKS T04Z Turbo kit (minus turbo) inc manifold, all lines, pipes, wastegate etc
Garrett GTX3576R turbo, 1.06ar divided housing
Syvecs S6 plus ECU & Harness & various sensors
SARD 800cc 'drop in' injectors & stock fuel rail
Bosch 044 fuel pump
K&N cone filter 4"
Whifbitz stage 1 oil catch tank
Bosch Porsche 997 DBW throttle & Whifbitz adapter

In addition to the engine bits, supporting bits are as follows:

ATi Toucan CAN display for ECU
Custom made cal switch panel for ECU maps and Traction control
TRD limited slip differential
Whifbitz transmission cooler kit.

some pics of the purchased bits (we all like pictures biggrin )

Custom made cal switch panel


catch tank (in crackle powdercoat)


modified stock plenum with porsche throttle adapter, in black satin powdercoat.


Turbo


HKS Manifold


Wastegate



I'm estimating that this setup will be good for circa 600hp, but more importantly, it will be much more responsive than the stock twin turbos. I fully expect full boost by 3500rpm in 4th, 1000rpm earlier than the stock turbos. The Syvecs gives me selectable maps, so most driving will be done on a lower power map, of say 500ish hp, to prolong the life of the gearbox.

The car is booked in for all of this to be fitted by Whifbitz on the 12th of Jan, so hopefully by mid Feb I'll have the car back. smile

competizone

745 posts

130 months

Wednesday 23rd December 2015
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STOP IT YOU'RE MAKING MY MOUTH WATER!!!!

cloud9

J4CKO

46,727 posts

228 months

Wednesday 23rd December 2015
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That is perfection, how to do a Supra without making it look like the Canines Evening Meal, how is it so many owners get them so wrong, glad to see you didnt !

BUG4LIFE

2,514 posts

246 months

Thursday 24th December 2015
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Holy st I want your car!!!

j_s14a

Original Poster:

874 posts

206 months

Thursday 24th December 2015
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Thanks guys smile

The eagle eyed Supra experts among you may spot a few visual modifications that aren't so obvious, such as the debadged front bumper, UK spec rear bumper, and US spec orange bumper side repeaters.

This is my fourth Supra, so this is the culmination of what I've learned so far. It should be pretty apparent biggrin

My first, a UK spec twin turbo auto, circa 440hp


My second, a jap import, single turbo, six speed manual with just under 500hp. This was a very special car, and must have been extremely expensive for its previous Japanese owner to build


my third, and a pretty rare car. A non turbo six speed manual. 220hp ish. I couldn't get used to its lack of grunt, so got rid and replaced with an Audi S2.





Pommygranite

14,462 posts

244 months

Thursday 24th December 2015
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Would be lovely if it was just standard.


j_s14a

Original Poster:

874 posts

206 months

Thursday 24th December 2015
quotequote all
Pommygranite said:
Would be lovely if it was just standard.
It would be slow if it was "just standard" smile Besides, they're a contender for the most tunable car on the planet, I don't see the issue so long as it is done subtly.

Pommygranite

14,462 posts

244 months

Thursday 24th December 2015
quotequote all
j_s14a said:
Pommygranite said:
Would be lovely if it was just standard.
It would be slow if it was "just standard" smile Besides, they're a contender for the most tunable car on the planet, I don't see the issue so long as it is done subtly.
I think because they're so rare standard and so many tuned/styled.

One day one of these standard will fetch fortunes and there'll be lots of ricers a tad upset at the $$$$$ lost out on.

Alwayzsidewayz2

186 posts

128 months

Thursday 24th December 2015
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Gorgeous Car. My favorite colour too.

Great build

ZX10R NIN

30,480 posts

153 months

Thursday 24th December 2015
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Nice car

rb5er

11,657 posts

200 months

Thursday 24th December 2015
quotequote all
Pommygranite said:
I think because they're so rare standard and so many tuned/styled.

One day one of these standard will fetch fortunes and there'll be lots of ricers a tad upset at the $$$$$ lost out on.
Like all the modified mk1 escorts are worth nothing compared to a standard example.... oh wait...

A car looking reasonably standard but upgraded sensibly will not be worth any less than a standard car in the same condition.

Its mileage and condition that prices these cars.

Pommygranite

14,462 posts

244 months

Thursday 24th December 2015
quotequote all
rb5er said:
Pommygranite said:
I think because they're so rare standard and so many tuned/styled.

One day one of these standard will fetch fortunes and there'll be lots of ricers a tad upset at the $$$$$ lost out on.
Like all the modified mk1 escorts are worth nothing compared to a standard example.... oh wait...

A car looking reasonably standard but upgraded sensibly will not be worth any less than a standard car in the same condition.

Its mileage and condition that prices these cars.
I said 'one day'

See any 20-30 yr old 'classics' in clean low mileage showroom condition going for less than an 'equivalent' Barry'd up version? No don't think so.

Styled and tuned up Supras are common but original unmolested versions are like rocking horse st and rarity will always be valuable.

j_s14a

Original Poster:

874 posts

206 months

Thursday 24th December 2015
quotequote all
That's a good point actually biggrin

The car had covered 75k miles when I got it 14 months ago, and I think it's up to about 85k now. Mainly because of my road trip, but the car is in daily use and will probably remain so until indefinitely.

It may not be the cheapest car to run, but service parts aren't too expensive. There are few cars as well built, I'm taking every precaution with rust, and at least when I get the Syvecs fitted, I can run it on 95 safely for general use.

rb5er

11,657 posts

200 months

Thursday 24th December 2015
quotequote all
Pommygranite said:
rb5er said:
Pommygranite said:
I think because they're so rare standard and so many tuned/styled.

One day one of these standard will fetch fortunes and there'll be lots of ricers a tad upset at the $$$$$ lost out on.
Like all the modified mk1 escorts are worth nothing compared to a standard example.... oh wait...

A car looking reasonably standard but upgraded sensibly will not be worth any less than a standard car in the same condition.

Its mileage and condition that prices these cars.
I said 'one day'

See any 20-30 yr old 'classics' in clean low mileage showroom condition going for less than an 'equivalent' Barry'd up version? No don't think so.

Styled and tuned up Supras are common but original unmolested versions are like rocking horse st and rarity will always be valuable.
If someone keeps a car for 20 or 30 years purely to make money on then they may indeed keep it standard. Looks like the OP bought the car to enjoy it.

And yes some modified cars will be worth more than some unmodded ones. Like I said, condition and mileage trump a few internal modifications.

And no this car is not at all "barried". It looks great. If it was covered in tat I would agree with you, but its not.

Vixpy1

42,699 posts

292 months

Thursday 24th December 2015
quotequote all
rb5er said:
Pommygranite said:
I think because they're so rare standard and so many tuned/styled.

One day one of these standard will fetch fortunes and there'll be lots of ricers a tad upset at the $$$$$ lost out on.
Like all the modified mk1 escorts are worth nothing compared to a standard example.... oh wait...

A car looking reasonably standard but upgraded sensibly will not be worth any less than a standard car in the same condition.

Its mileage and condition that prices these cars.
Your wrong i'm afraid, totally standard unmodified examples of the R33, Skyline and RX7 fetch considerably more money in the japanese auctions than modified ones.

rb5er

11,657 posts

200 months

Thursday 24th December 2015
quotequote all
I'm not wrong. Check ebay for the most expensive mk2 escorts. Price high to low. Tell me what you find. The most expensive cars are all extensively modified.

Some modified cars fetch more than standard ones and vice versa. There is no hard and fast rule.

Edited by rb5er on Thursday 24th December 09:58

Vixpy1

42,699 posts

292 months

Thursday 24th December 2015
quotequote all
But we are not talking about mk2 escorts .

j_s14a

Original Poster:

874 posts

206 months

Thursday 24th December 2015
quotequote all
The top value examples of all these marque's are one owner, miniscule mileage and stock. Mine was never low enough mileage to be a serious investment car, and it has the wrong gearbox.

Such a beautiful, immaculate car would have cost well in excess of my overall build cost for this car. And the result would have been a garage Queen that I was too afraid to use.

DMN

3,057 posts

167 months

Thursday 24th December 2015
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Some really nice looking cars there.