TB Developments - Supra TT 6Spd (Toy)

Toyota Supra 6sd TT
1997
49,000miles

Well finally bought a supra and it was the first one I really wanted, unfortunately i missed out and it got sold to someone else. a nice chap called Geo but after he was forced to sell I had the option to buy again so I snapped his hand off.

Not taken pictures myself yet as still sorting out trade insurance on it but these are the import pics from about 4 months back, Nothing has really changed.

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Tim :)
 
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Well the joys of ownership seem to be starting early with this car, bought the lowest mileage one I could find not to have to many issues, anyway going up to see a friend of mine in hospital, cruising along at 40mph suddenly I get a huge cloud of smoke out the back and pissing out the bonnet, quick glance at temp gauge and its off the scale :( , so neutral and pull over instantly and shut it down. opened the bonnet to find this (pictured below). Not sure if the supra is common for the radiator getting brittle but when the silicone top hose was fitted before I purchased the car the jubilee clip had over stressed the plastic and the pipe had snapped off after the clip, and the top pipe just fell away completely emptying all the coolant on the floor and bay. Hopefully it hasn't caused any damage but I managed to re-secure it to the tiny bit of pipe remaining, got a friend to bring me some for-life red from the workshop and filled it back up. Bleed the system on the side of the road and babied it home, gauge was sat at 1/2 like normal all the way back so fingers crossed. No more steam or smoke just a horrible smell of burning coolant from where its been sprayed all over the hot stuff in the bay.

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Anyway I've ordered a new one so while the car was sat in the workshop waiting for the bits to arrive I thought I'd get the steering wheel sorted and do all the other jobs I've been meaning to sort since I purchased the car last week. I've never got on with big steering wheels so going to fit the same Momo wheel I have fitted to all my other Toyota, a 320mm Momo Tuner. Just a nice subtle black on black leather number. Nice in the hand without being to boy racer.

Got this far and then found Airbag setups and momo boss's seem to be a pain so going to have to play around to get it fitting and working correctly. Toyota wanted to be awkward as well with the stock wheel and make the size so that my normal pullers didn't want to work, so had to make up something makeshift.

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Tim :)
 
While I'm waiting for the alloy radiator to arrive I thought I'd sort the interior out, few bulbs gone, and although I like me shouted at in a foreign language every time i start the car I'm afraid she had to go for something I can actually use. Didn't think it would take me long to get this ripped apart. Got to say I'm enjoying it, everything feels new again as I've done pretty much every other Toyota now its nice to feel like a big kid again figuring out how everything comes apart.

All I can say is what a rats nest this lot was just for the aftermarket, radio/satnav etc etc
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Seems I have tripped the stock Toyota alarm system as well somehow, dash lights up fine but nothing on the 3rd key position for the starter, not even a relay click. Does feel like an immobiliser but wasn't aware this car even had an alarm yet, But after a bit of research appears there's a factory door key unit, possibly tripped it with taking things apart and battery on and off with the doors open. Apparently just put it back together and lock/unlock the door with the key to set it but will find out tomorrow. Only discovered this while locking up the workshop so didn't get any time to look into it further.

Also been playing around with a couple of Steering wheel boss's I had kicking around after it became clear there was no way to use the Momo unit on the airbag slip-ring setup without it looking bodged. By cannibalising 2 of them and using the bottom from 1 for the cancellation pin locations and Top from another for the Momo bolt pattern I have created a boss that will work with the factory airbag slip ring. So refitted it back to standard, minus the airbag. Just got to alloy weld the boss's together tomorrow, machine a small lip in the top to accept the slightly bigger momo horn ring and should be good to go. I'll post pictures once I get this done. I also tweaked the length of the boss as well as I found the one I had was to long and felt the wheel was to close, so shortened it down slightly before welding. At present the new Momo wheel will sit 15mm further away than the stock unit, which is perfect for me as I felt the standard big wheel was a little "ontop of you"
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Tim
 
few more updates today.

managed to get the steering wheel boss made up, i machined up a ring for location and once welded extra strength. looked really nice when it was done shame its all covered in alloy weld now. Oh well its plenty strong enough now. Trimmed down the outer plastic covers and it all fits perfectly fine.

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One bonus is the alloy radiator turned up today but because of a late start in the workshop today and other work commitments I didn't get as much done as i wanted so its sitting here waiting for tomorrow, we shall see if the fit is a good as they quoted, mmmm

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Tim
 
Bit of an update.

I had the alloy radiator fitted and it was just a total joke in the end, it fouled on the airbox which need to be modified, the fan shroud didn't fit so also had to be modified and then after all that I found because it was sitting to far towards the engine the fan now caught on the shroud making a horrible knocking noise only when at idle, made the car sound like the bearings were going in the engine. And also the front intercooler pipe couldn't be bolted up correctly against the chassis leg and was being pushed hard into the fan shroud again.

So thought I'd just do it properly. I removed the unit, bought a brand new OEM unit from Toyota and fitted that, I also purchased a brand new fan shroud to correct the damage that was done to fit the alloy radiator and instead of replacing the cut up airbox I decided to make my own intake pipe instead.

mocked up
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finished
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I also found my BOV had a crack in it and was cleaning boost so i blocked off the ports and made up this pipe for a HKS SSQV i had sitting around
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While I had the car in the workshop I thought it was time I did all the little jobs I wanted to get sorted.

Change the Serpentine Belt
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Change the Coilpack wiring connections, as they had become cooked and extremely brittle, there wasn't 1 that didn't disintegrate while unplugging them
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The hoses for the heatermatrix at the back of the engine bay were also weeping, I changed the connectors to jubilee clips which I thought solved the problem but when I got home still had the same tell tail wet patch on the floor, seems to be a small split or pin hole under one of the clips so I've ordered both entire hoses from Toyota that will arrive soon and I can get the supra back on the road again.

Had a couple of wheel studs broken so swapped them out with new nuts from toyota. Also seems to have had a wheel replaced at somepoint from the centres. same style but not sure what years these came off to have the change i have 3 of the smooth type and 1 of the ribbed type
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The Headlight were another let down for me, they had been modified by someone in Japan, they had painted the normal facelift type headlight from its normal metallic grey to simple black. also painted over the chrome rings that surround each light. And because I drive back late at night from seeing my girlfriend i have the highbeams on alot it appears to have started to melt the paint and flake off. Also because they had been opened condensation was getting inside coupled with the very faded plastic outer lens. Time for replacements I think, but at £280 each there not cheap :(
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Side by Side, new makes a huge difference
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And fitted
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I also came accross one of these, nice and rare :) I wanted one since i had the supra and use them on all my cars, i don't like using FCD's so this is the proper way to tune the car, plus its ready for any other future modifications i want to do because eventually i want to build my own small single turbo kit for 550bhp range. Probably a GTX3582r
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just fitted some Titan uprated ARB's, TRD front strut brace and some Rota Grid in 19"

I'll get some pictures once i get it all cleaned up and polished :)

Tim
TB Developments
 
little bit of an update.

Got a nice deal on importing a TRD Front Strut Brace and some new wheels

TRD Brace
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And the wheels Rota Grids in steel grey. Not 100% sure on the color yet but it was the only option in these sizes. Not sure to leave it or go with a brighter silver or white. Decisions (Also appologises for the garden i'd done half then took the pictures on a break haha) I'll get some more pictures once i get a few hours to give the soup a really good clean, polish and wax as its a bit dirty at the moment

Wheels

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Finally started messing around the with the idea of building my own single turbocharger setup for this car. I really don't like the mechanical lag of the sequential setup so a nice small single is my goal from 475 to 575bhp. anything in there i'll be happy with a nice response.

I needed to make myself a jig so i can build all the stainless work on. I have to give a big thanks to Dude and Mellonman for helping me with finding the parts to make this possible.

Started off with mocking up the stock TT system on my build engine

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This allowed me to make 2 jigs to decide how far i wanted the Turbo downpipe to be. Either at the end of the TT system or to include the Precat as well.

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The manifold is the one i'll be using but its currently in its un-modified state, i plan on porting and polishing it before use, also ceramic coating, the turbocharger is a GT3582r with 0.82 T4 exhaust housing. Luckily i had one knocking about from a previous project. The turbo is total scrap but it'll do its job for mocking up.

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After looking at the jigs i think it'll be easier to make the turbo downpipe to include the Precat as well, just gives me so much more room to work with, also make the wastegate re-route pipe work not so cramped and allows me to have it rejoin the exhaust further downstream from the turbo which is always a bonus anyway.

Tim
 
thanks mate, going from my calculations i should be making around 550-580bhp at 1.5bar and hitting full boost by just after 3200rpm

Should be making similar torque figures as well.

Tim
TB Developments
 
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