JMC Performance & Fab

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JMC Performance & Fab is a small fabrication shop located in Uralla, we specialise in everything barra related including tuning, we also can tackle any small fabrication job needed in either steel or aluminium.

Shoutout to Chris for always making me push this thing further than what it probably should go on 98 😅. We don't have ea...
09/06/2026

Shoutout to Chris for always making me push this thing further than what it probably should go on 98 😅. We don't have easy access to E85 out here, and everyone reckons big power and pump fuel don't belong together on a Barra... but here you go 😎

This combo is one of Chris' 800hp packages that we've been fitting to plenty of cars lately. It consists of Spool rods, cast pistons, upgraded valve springs, ACL main and big-end bearings, Boundary pump gears and backing plate, along with the usual bolt-ons including a PSR Gen 3 3584, big free-flowing exhaust, 40NB 6-into-1 manifold, and the good old Kelford 218-B camshafts.

Once we got into the tuning, Chris' goal was simple — 30psi with absolutely no remorse 😂. In the end, I gave it everything I was comfortable with on 98 and landed at 28psi at 4000rpm, tapering to 24psi by 7000rpm.
We spent the day testing boost and timing combinations, doing around 30 dyno pulls, many of them back-to-back. The best result was 550rwkw and 1130Nm, with all the boost fed in by 4000rpm.

We knew we were well into the territory where things can go wrong quickly, but that's exactly why we wanted to test it. After plenty of monitoring, tuning via my own knock detection setup, and a final spark plug read that I'm happy with, this is where it landed 👌

My counter argument to anyone is to go and put 28psi into one @ 4000rpm and see what it does, it’s quite impressive

Hopefully in a few months we can revisit it with a G40 hanging off the side and see just how far we can really push it 😈

Keep your eyes peeled 👀

🔥 AND HERE WE HAVE IT 🔥Blake’s BF Turbo Track Ute is FINALLY finished… and honestly, this is the biggest build I’ve take...
22/05/2026

🔥 AND HERE WE HAVE IT 🔥

Blake’s BF Turbo Track Ute is FINALLY finished… and honestly, this is the biggest build I’ve taken on to date 🤯

This thing has been sitting in my yard for what feels like forever while we chased every little detail and tried to do EVERYTHING properly… but seeing it all come together has made it 100% worth it 😍

⬇️ FULLY BUILT MOTOR ⬇️

▫️ 50% grout filled block + machine work by PLR Engines
▫️ 10mm girdle
▫️ CP-Carrillo H/D billet pistons
▫️ Spool I-beam conrods
▫️ Upgraded pins
▫️ Stage 2 Atomic balanced crank
▫️ Fully balanced bottom end
▫️ Rebuilt head – hand ported & polished
▫️ Kelford 218B camshafts
▫️ Atomic lifters & rockers
▫️ Atomic timing chain kit
▫️ Athena racing head gasket
▫️ ARP head studs & main studs
▫️ Boundary pump gears + backing plate
▫️ Atomic high pressure pump spring
▫️ Plus a heap more I’ve probably forgotten 😅

⬇️ SUPPORTING MODS ⬇️

▫️ Malwood built T56
▫️ Built diff with Truetrac
▫️ GJ Drivelines tailshaft
▫️ MDS Fab intake manifold
▫️ Process West surge tank with twin pumps + AN10 lines
▫️ JMC Performance 6-into-1 manifold to suit T4
▫️ Twin external wastegates for something different 😮‍💨
▫️ Haltech PnP ECU
▫️ Haltech UC10 dash
▫️ Haltech 4-port boost control
▫️ Pulsar G40 1150 turbo
▫️ Battery relocated to tub
▫️ Scooters Custom Fab ECU relocation kit
▫️ Scooters Custom Fab fuse box relocation
▫️ Fresh engine bay respray + shaved battery tray
▫️ Full wiring tuck while retaining factory wiring

Got it on the dyno, dialed everything in and left it on a safe run-in tune for now 👌

💥 18psi
💥 460RWKW
💥 Pump 98

And this is ONLY the beginning 😎

Once everything is fully run in, checked over and converted to ethanol, we’ll be leaning on this thing and chasing hopefully well into the 4 digit range.

Big thanks to everyone involved in this build

Well lookout we have finally acquired a new dyno!!! 😁😁 How exciting is that! It’s been a long time coming but I’ve final...
18/05/2026

Well lookout we have finally acquired a new dyno!!! 😁😁

How exciting is that! It’s been a long time coming but I’ve finally made it happen and welcomed home my “new” dynotech chassis dyno, I couldn’t be happier. 😎

First off on the rollers was this 2022 2.4L Toyota hilux in for a remap, I’ve attached a photo of the before and after run with the torque and KW figures so you can see the gains yourself, this is definately a lot more responsive and better to drive for towing.

IF you have a diesel powered car/4x4, stop leaving power under the table and call us to get it booked in, tuned properly on a dyno and returned with decent gains around, it really is the best thing you can do for any modern 4x4 diesel vehicle the results speak for themselves, along with added power you will have better fuel economy aswell, so why wouldn’t you? Get in touch today and the JMC team can get you sorted. 💪🔥

04/05/2026

Another JMCBUILT manifold to suit a Barra into an x series, cannot wait to see how this one sounds it has come up a treat



Hey crew hope everyone has had an absolute killer of a week like we have at the shop 😎Just thought it is about time to d...
01/05/2026

Hey crew hope everyone has had an absolute killer of a week like we have at the shop 😎

Just thought it is about time to do a bit of a post about the shop, I have been in here coming up to 2 years and I wouldn’t change anything that’s happened , but moving forward I am lifting my hourly rate for everything, this has been a huge problem in me actually being able to move upward and forwards.

My general rate is going to be $130/hour for all basics and diagnostics work etc.

My fabrication, elec and dyno rate is now going to $150/hour all including GST.

I personally guilt trip myself into feeling bad for people because of how much it has cost customers and then I always end up being the one that puts myself last in these situations, and for what? I should not feel sorry for someone that there race car costs them money, so does mine 🤣 and we still love it.

Unfortunately I have been my own worst enemy and NO ONE else is to blame but I will no longer be negotiable on anything. I have had to lower some of my standards on numerous small things to match budgets that should just be knocked back and I’m unfortunately not doing this anymore as this world is so toxic people will just blame my workmanship and not understand that the funds where not there so I am going to remove this completely.

I have included a few photos of some of the work that I have really enjoyed doing so have a bit of a look through and give me a like 🙏

And also, a huge thankyou to all of my loyal customers , I hope most of you can understand where I’m coming from and not have hate towards me , but if you do unfortunately there’s not much I can do I’m going to put my shop first 😎

I know that I put more effort into this then a lot of people and I have spent so much time getting to where I am it wasn’t just handed to me so on that, happy racing guys and keep it to the tracks 💪 I’m out

Recently I had baileys ba xr6 track car in for a handful of work , he bought this car and then realised it needed a lot ...
28/04/2026

Recently I had baileys ba xr6 track car in for a handful of work , he bought this car and then realised it needed a lot of work we got a plan together and got it happening.

Started by fitting the following

✅crow cam valve springs

✅new genuine ford timing chain kit

✅intercooler kit built in house to suit the SC.

✅custom set of DUAL stepped 6 > 1 extractors customers request for F1 sound

✅ 3 inch extractor back exhaust

✅turbo smart big bubba BOV

✅ 2.75 inch pulley

✅ water methanol jet fitted to cooler piping.

I got it all finished and dialed in on the dyno, the cheaper intercooler was unfortunately dropping boost a lot as you can see via the dyno graph, red line is pre intercooler and the blue line is in the intake manifold so we unfortunately didn’t get the power we were after, but keen to see how it goes at the track and keen to see what we can do with intercooler later. The IATs were around 55 degrees before and now with the intercooler the highest I seen WOT on the dyno was 23 degrees.

Video in comments

24/04/2026

Curtis engine now assembled and off home, consisting of:

Pro Street Race Engines 1500hp bottom end
Kelford Cams 218-b camshafts
JMC Performance & Fab stock position fg turbo 6 into 1
Pulsar Turbo Australia 3584
Turbosmart 60mm gate.
1650cc injectors

This one is well equipped to be lent on once its ready to run up 🔥

22/03/2026

We certainly fixed this commodore by fitting a full Barra / powerglide conversion 😎

Hey guys we have the next roll racing event on in Gunnedah on the 21st/22nd of March, it’s going to be a cracker event a...
04/03/2026

Hey guys we have the next roll racing event on in Gunnedah on the 21st/22nd of March, it’s going to be a cracker event and we hope to see a few more people there this time, we will be doing roll racing both days and we are having a powerskid comp with cash prices for the best powerskids , so bring your car and not your excuses 😎

Email your entries to the email below and get in before they close,

Look forward to seeing everyone there

This Holden VL Commodore arrived at the shop running terrible on an old Nistune setup. The original plan was simple — ju...
08/02/2026

This Holden VL Commodore arrived at the shop running terrible on an old Nistune setup. The original plan was simple — just get it running properly.

After swapping parts and chasing our tails trying to diagnose it, we found the real issue… the previous “tucked” factory loom. Solder joints everywhere, some wires with three joins in the one section. Absolute mess.

Out it came. Straight in the bin.

From there, it was time to do it properly.

After quoting a few setups and getting PG UP on all, we ended up with a full Haltech R3 system so the car could finally be what it should’ve been — and as always, the parts list grew along the way 😎

What went into it:
• Haltech R3 VCU
• Haltech UC10 dash
• Haltech boost control solenoid
• Haltech GPS module
• PRP R35 coil pack conversion kit
• PRP Race Series trigger kit
• Pulsar 6466 with 0.82 rear housing
• Aluminium radiator with thermo fan
• FPR1200 fuel system upgrade
• Oil temp & pressure sensors
• Coolant temp & pressure sensors
• 75mm Bosch DBW throttle body
• VE Commodore accelerator pedal
• 4-inch stainless intake
• 3-inch cold side intercooler piping
• New catch can lines made and fitted

This was my first ever fully terminated harness and my first complete Haltech install. I built the loom from a universal harness to suit this exact engine combo , and I couldn’t be happier with how it turned out. 💎

Huge thanks to Jeremy for trusting me with this size of a build for a 1 man show.

Once everything was dialed in, it finished up at 305rwkW on 18psi on 98 — which is more than enough to have plenty of fun while keeping it safe. And backed it up with a weekend at power cruise

Super proud of this one. Keen to keep trying to level up and do more like it. 😎

Address

Armidale, NSW
2350

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 5pm

Telephone

+61 431 412 380

Website

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