revvhappy
revvhappy New Reader
12/5/22 9:12 a.m.

 

Sold.   Sold.  Sold.  Sold.

 

1985 Supra with Honda K24 swap. Raced in several endurance series with some success.

12/9/2022 - A deposit has been accepted toward purchase. I will continue updates as things progress.

Located in the Atlanta area.




Lemons: A few Top 6 finishes including a 24-hour at Autobahn.

Champcar: Several Top 5 including Barber, NCM, Road Atlanta, and VIR 24-hour.

SCCA: Bracket Enduro overall win at AMP

WRL: 1st (AMP) and 2nd (CMP) overall

Lucky Dog racing: 1st and 2nd overall at AMP

Gridlife GLTC – fun but not competitive for sprint racing



Lap Times

CMP: 1:48.6

Barber: 1:42.7

Road Atlanta: 1:40.7

AMP: 1:31.9


Drivetrain:

2005 K24A2 from TSX (197hp rated, makes 220hp on dyno)

KPower E30 oil pan

McGregor Bellhousing K24 to Toyota W58 transmission

Toyota W58 transmission

Aluminum flywheel and OE-style clutch

OE Driveshaft

OE 4.30 LSD diff with cooling system

OE Axles

OE S2000 header welded to a K24 flange. Full 3” exhaust.

KPower Intake manifold with B-series cable TB


Brakes and suspension:

Front – Nissan ZX32 4-piston Aluminum calipers with ST43 pads

Rear – OE calipers and rotors with R4S pads

OE front strut housing with coilovers and Bilstein inserts

Rear: 400lb shorter springs and Bilstein shocks


Electrical:

Megasquirt MS3Pro

Custom wire harness

Racepack dash

Defroster grid on windshield


Fuel:

Fuel Safe 22-gallon cell with 2l external surge tank (legal volume for Champcar is 18.1 gallons)

3 external fuel pumps for redundancy and reserve

Corvette regulator/filter


Wheels:

(8) 17x9 MST wheels and an assortment of new and used Hankook RS4 - 255/40-17

Safety:

OMP HTE-R halo seat

Firesense suppression system recertified Nov 2022

Window net and seat harness time out at the end of this year.


Additional details will be shared with new owner

Lots of spares


















Video:

Gridlife- AMP: https://www.youtube.com/watch?v=9S0XMssZ90Q&t=333s

Road Atlanta - Champcar: https://www.youtube.com/watch?v=-pf-cvMHgUo&t=929s

Robbie (Forum Supporter)
Robbie (Forum Supporter) MegaDork
12/5/22 10:59 a.m.

Dang! Tempting!

singleslammer
singleslammer PowerDork
12/5/22 11:20 a.m.

In reply to Robbie (Forum Supporter) :

Do it!! This seems like the best way to get into cheap car endurance racing.

SKJSS (formerly Klayfish)
SKJSS (formerly Klayfish) PowerDork
12/5/22 11:41 a.m.

For anyone interested, I am familiar with this car.  It's no joke, it's a fantastic car!!!  I've seen it in Lemons several times.

revvhappy
revvhappy New Reader
12/5/22 12:21 p.m.

 

If you have any questions, please feel free to ask. 

I can bring the car to Barber on Jan 15/16 if anyone would like a test drive. 

Stampie
Stampie MegaDork
12/5/22 12:25 p.m.

In reply to revvhappy :

Can you give more info on the Nissan front brakes?  Bolt on?  Rotor? Force you to the 17 inch wheels?

accordionfolder
accordionfolder UltraDork
12/5/22 1:20 p.m.

Sent you a PM! Let me know if you don't get it. 

revvhappy
revvhappy New Reader
12/5/22 1:56 p.m.

 

PM replied to. 

 

The Nissan caliper is a true "bolt on", however, the rotors require a bit of work to fit and add a bit of track width. The OE rotors are "captured" (bolted onto the back of the hub) which required hub removal for replacement. The rotors for the ZX calipers are from a Mazda 4wd minivan and installed in a rotor-over-hub configuration. This requires 2 modifications: 1. The hub outer diameter needs to be milled down a few millimeters to fit inside the rotor hat, and 2. The rotor needs to be re-drilled to a 4-lug pattern ( I have a jig that makes it a 3-minute process with a drill press). 

This is a 17" wheel with the setup mounted.

 

Stampie
Stampie MegaDork
12/5/22 2:17 p.m.

In reply to revvhappy :

Thanks. I did the Cressida big brake mod. I'll keep this in mind. 

revvhappy
revvhappy New Reader
12/5/22 2:45 p.m.

 

Make sure to get the 30mm calipers rather than the narrower ones. The MPV rotors are over an inch wide. 

Stampie
Stampie MegaDork
12/5/22 4:01 p.m.

In reply to revvhappy :

What year MPV?

revvhappy
revvhappy New Reader
12/5/22 4:10 p.m.

 

Here is the set-up from my notes.

Turn Supra hubs outside diameter down to ~143mm

91-92 Nissan Z32 front calipers. 4-piston. Aluminum for 30mm rotors.

            These bolt right on with no modification.

92-96 Mazda MPV 4wd front rotors: Centric 121.45044

Drill rotors for 4x114.3 lug pattern

Stampie
Stampie MegaDork
12/5/22 5:13 p.m.

In reply to revvhappy :

Thank you for the info and good luck with your sale. 

revvhappy
revvhappy New Reader
12/21/22 11:39 a.m.

 

Car is SOLD. Moving to the Nashville area. 

 

accordionfolder
accordionfolder UltraDork
12/21/22 3:13 p.m.

Made it home! Very excited!

Stampie
Stampie MegaDork
12/21/22 5:23 p.m.

In reply to accordionfolder :

You have good taste in cars. 

accordionfolder
accordionfolder UltraDork
12/21/22 5:38 p.m.

In reply to Stampie :

ha, thank you! - revvhappy built a REALLY cool race car. I'm just happy to get to give it a try. 

buzzboy
buzzboy SuperDork
12/23/22 12:38 p.m.

I haven't seen this since it was K swapped. Very cool! Nice score!

birdmayne
birdmayne Reader
12/23/22 2:43 p.m.

Some one should make a Honda swapped racecars thread for this and a couple others on this board

chandler
chandler UltimaDork
12/23/22 6:20 p.m.

Awesome!

accordionfolder
accordionfolder UltraDork
12/24/22 11:14 a.m.

I'm unfortunately not an expert on Hondas, Honda swaps, or Toyota Supra - I'm naturally the next best keeper of this old workhorse :)

I haven't gotten to drive it or poke at it at all with the whole end of the world winter storm and holidays coming on. It'll be at hopefully a few GLTC races this year and maybe some shorter, entry level endurance events. 

AxeHealey
AxeHealey Dork
1/5/23 3:07 p.m.

In reply to accordionfolder :

Nice buy!

accordionfolder
accordionfolder UltraDork
1/6/23 3:24 p.m.

In reply to AxeHealey :

Thanks! It's even better in person, the details on it are great - I'm excited to run it this season. 

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