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My NA-T Nos Monster Build/Progress Thread


Suprakeith

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Right thought best do thread detailing build and ongoing progress with my build, I did have thread on old forum but never uploaded the pictures properly so it didn't come across to new forum style.

I will start at the beginning but will keep it short and sweet.

I purchased my supra as a standard manual 5 speed NA back in June 2011 with 69,000 miles on clock for £3,500, and used her as my main car for over 3years driving her in all weather all year round, during that time was always thinking about doing NA-T build and starting researching ideas and following other peoples NA-T builds.

I was never happy with the stock bumper so after year i decided to treat her to Bomex front bumper which did really love the way she looked with new front end.

After 3 &1/2 years of owning car treated myself to daily so could do more with supra and have her as weekend toy, starting doing the basic upgrades with the NA lump and getting her handling better, but i wanted more power and decided to have a custom Nos kit designed and installed on her and the difference was amazing while using the Nos she was great to drive but did go through alot of bottle refills as was very addictive. 

Was only using 75 shot but still took her down Santa pod and she ran a 15.01 which at time i was very happy with.

Few pictures from day i got her and then with Bomex bumper fitted

 

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After while using the Nos i wanted to uprate the drivetrain with a short shifter, lightened flywheel and paddle clutch....but unfortunately the garage i chose to do the work didn't use fit the new flywheel bolts i supplied and fitted the clutch bearing the wrong way round, the car didn't feel right while driving but i just assumed it was the paddle clutch wearing but one night driving to work, i started to hear a horrible rattle from engine so limped her to work, and in morning i called tow truck to take her home, i suspected the bottle end had gone and decided to pull engine out and do NA-T basic build but on strip down i found the bearing and crank where fine and only when removed clutch did i find 3 flywheel bolts loose and clutch bearing on wrong way round, to say wasn't happy was an understatement.

This happened in October 2016, so after few weeks unsure of what best route was as had fully stripped block and didn't make sense to fit old pistons and rods i decided to do a fully forged build to future proof the car, and that's where my long expensive 6 year build started, first I treated myself to new pistons and rods and block honed, decked acid cleaned and then repainted.

 

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Edited by Suprakeith
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During my build i also decided to paint engine and port and polish the head a work on my CNC machine, and just kept buying new uprated parts, I think the only parts didn't replace was the block, head and rocker covers, everything else is brand new from Toyota or uprated parts, in next post will list all the parts but for now here is some of the main pictures from my build22195408_10159393893080254_1653576679551227804_n_10159393893080254.jpg.300a1e442cfd57b6e2a8705dad4f89ff.jpg27066980_10159905199380254_1028941180942754541_n_10159905199380254.jpg.acb7f92ce080f89fdeaf8ffb11835432.jpg

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Edited by Suprakeith
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In July 2022 after buying new house, 2 years of covid and major knee surgery she finally went to MGT for mapping

Block

  • Forged CP pistons 9.0.1
  • Forged Eagle Rods
  • New Toyota Crank
  • ACL Race Bearings
  • ARP Conrod bolts
  • ARP Head Studs
  • ARP Mains
  • New Toyota TT Oil pump
  • New Toyota Water pump
  • New Toyota oil pick up and sump
  • Welded crank sprocket
  • New Toyota N/A head gasket and all new Toyota gaskets and seals
  • Whifbitz Billet cambelt tensioner
  • New Toyota Tensioner
  • Racing Lines thermostatic oil sandwich plate with 25 row oil cooler
  • All new Toyota sensors
  • Vibra-technics fast road engine mounts
  • Titan Motorsport version 2 crank damper

 

Head

  • Match Ported and Polished head, also skimmed
  • BC 264 Cams
  • BC Springs
  • Ferrea Valve stem oil seals
  • Ferrea Valves and Collets
  • New Toyota Retainers & Buckets
  • HKS Adjustable cam verniers

Drivetrain

  • 4.5kg Competition lightweight flywhhel
  • Whifbitz Stage 3+ Clutch
  • Arp Flywheel bolts

Engine

  • Whifbitz NA-T Kit
  • 1000cc FIC Injectors
  • SSI Inlet Mainfold
  • Custom Fuel system with Billet fuel hanger and twin 255 Walbro pumps
  • R35 Coil conversion kit
  • PHR Oil breather
  • PHR Power steering relocation kit
  • NX Wet Nos kit (not using at moment)
  • Tweak'ed custom engine loom

Suspension and Brakes

  • BC Racing Coilover
  • New Toyota TT Front brakes 
  • Refurbed jspec rear calipers
  • Whifbitz Adjustable Front & Back Anti roll bars with new Toyota drop links
  • Do-Luck Braided brake lines

Wheels & Exhaust

  • 18inch Inovit TE Wheels
  • 25mm Hub-centric spacers on rear & 20mm on front
  • Veilside Evolution ii exhaust

ECU

  • Link G4+

On the Dyno she made 507 bhp at rear wheels with 398lbft, which was very happy with after so many years she was finally back on the road and was great fun to drive

Dyno Graph.jpg

Supra Front.jpg

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Edited by Suprakeith
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After driving her for couple months decided to go back to MGT to get Tacho issue sorted as for some reason the tachco wasn't showing the revs, but while driving there i hit something on road suspect oil and lost control was only doing 50mph and was just about to put her in 5th and totally lost the back end and despite my best efforts i couldn't catch her, and ended up backwards on grass verge, this was the last thing i needed after so many years building her but lucky was just bumper and passenger headlight 

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Edited by Suprakeith
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Was totally gutted after accident but i was unhurt just my pride and wallet were going to suffer, i don't think my tyres helped the situation at all as they were 6 years old and were only cheap tyres that fitted to car when started build as only thought would take me 1 year to build her, how wrong i was.

1st thing decided to buy set of facelift headlights and then got her new facelift indicators and Ridox front bumper, then i treated her to all 4 new Michelin pilot Sport 4s.

Few weeks ago she went to paint to have new rear window seal fitted and bootlid repaired, plus rear wiper delete and ariel delete plus paint and fit new bumper, plus repaint roof and give all bodwork touch up

 

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Edited by Suprakeith
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On to latest update... I am collecting car Wednesday from paint in morning and have got her booked in Wednesday afternoon to get the new tyres fitted and tracking all done, which am super happy about as now can go to Japfest Sunday at Silverstone, few weeks ago i treated her to new Tomie Expreme TI Full Titatuim exhaust and it turned up friday so really happy abot that aswell. so this weekend i have repainted garage ready for her and should have new exhaust on Saturday ready for japfest

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Edited by Suprakeith
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How did you define the tooling path for the porting.

How did you define what best profile to use.

There's a pocket I think on the NA. Maybe vvti. Did you consider this?

Is there a diameter you followed. How did you program the tooling path of the oem port in to follow is on a gradual angle, ensuring you kept a gradual change of flow inertia for the air flow.

Very cool you've done it yourself buddy.

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1 hour ago, Noz said:

How did you define the tooling path for the porting.

How did you define what best profile to use.

There's a pocket I think on the NA. Maybe vvti. Did you consider this?

Is there a diameter you followed. How did you program the tooling path of the oem port in to follow is on a gradual angle, ensuring you kept a gradual change of flow inertia for the air flow.

Very cool you've done it yourself buddy.

Cheers bud was mission and a half, we have a 5 axis Hurco Mill with bluetooth probe, so was able to use that to map inside of head then using VXF software design 3D image of head and then worked out slowly how much to open the ports, i can't take all th credit cause the software on that machine is amazing and gives you tool options when building a program, its on another level of machining.. i prefer the old school machines. 

I cant remember about a pocket and the diameter of ports as was back in 2018 i think did the head, i still have the program at work so can always use the VXF software to see what tools used as really can't remenber, the joys of getting older lol

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Did you ever do a comparison before and after on a flow bench or something.

I'd love to see a side by side dyno plot of the same head vs oem head.

Lots of work to do that. But would be awesome to understand the true benefit.

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48 minutes ago, Noz said:

Did you ever do a comparison before and after on a flow bench or something.

I'd love to see a side by side dyno plot of the same head vs oem head.

Lots of work to do that. But would be awesome to understand the true benefit.

No i didn't do flow test on the stock head before started machining, in way wish i had as would of been awesome to see difference  

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45 minutes ago, raddys said:

Lovely stuff.

I've gotta say the ridox bumper is 100x nicer then the bomex, much cleaner and smoother looking imo. Good luck with it, look foward to seeing it painted up!

Thank you, the Ridox does look  better def agree and so cant wait to see it painted and looking her best again, when get car back home will def taking pictures and uploading them on here

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29 minutes ago, Suprakeith said:

Well my mate Tom who owns Nene Valley Body Repairs, has sent me another couple tease pictures today, he still hiding the new front end from me as collecting her tomorrow. Just thought would share pictures

 

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That's code for, I broke something and need to repair it before you see it 😂

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Well collected the car today from paint, and am so over the moon, they have done great job fitting bumper and she is looking stunning, plus had the new tyres fitted today so very productive day, just need to fit exhaust saturday and give her a very good wash and clean.

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