Five Engine Upgrades in May 2025
This will detail a range of different jobs we did in May-June 2025.
VF 6L Cam Upgrade
VF 6L Manual already had Xforce exhaust.
The Plan:
- Oztrack HPS cam
- Dual Springs with Ti Retainers
- CNC Ported LS3 Heads
- GM Head Gaskets and Bolts
- Cam sprocket, Cam bolts and Balancer Bolt
- 25% underdrive balancer kit
- CHE Rocker Bush Kit
Results:
357rwkw and 564Nm
Engine build LS3 with Pistons/rings
VE LS3 A6 already has exhaust.
The Plan:
- Engine CNC surfacing, CNC boring
- Engine sleeving with Melling sleeves
- Torque Plate Honing
- HPX-R camshaft
- Dual springs with Titanium Retainers
- New LS3 Heads CNC Ported
- Pistons with flycuts done at Oztrack
- acl race bearings
- chromoly pushrods
- gasket kit
- GM head bolts
- Ls7 lifters and buckets
- cam sprocket, cam plate, cam bolts and balancer bolt
- GM LSA oil pump
- Rollmaster Chain
- LS2 Dampener
- Barbell
- valley plugs
- rear main plate
- CHE rocker bush kit
- 260o rpm stall with triple plate lockup
- HD flexplate and ARP Bolts
Results
VE 6.0L Stroked to 402ci
The Plan:
- Engine CNC surfacing, CNC boring
- Engine sleeving with Melling sleeves
- Torque Plate Honing
- HP7-R camshaft
- Dual springs with Titanium Retainers
- AFR260 Cylinder Heads
- CP Bullet Pistons
- Forged Crank
- acl race bearings
- Callies Compstar Rods with ARP2000 bolts
- Scraper windage tray
- Aeroflow head studs
- chromoly pushrods
- gasket kit
- GM head bolts
- Ls7 lifters and buckets
- cam sprocket, cam plate, cam bolts and balancer bolt
- GM LSA oil pump
- Rollmaster Chain
- LS2 Dampener
- Billet Barbell
- rear main plate
- valley plugs
- BTR Shaft Rocker Kit with BTR rockers
- 2800 rpm 265mm stall with triple plate lockup
- HD flexplate and ARP Bolts
- new starter motor
- new engine mounts
Results
VZ 6.0L Stroked to 402ci HTV2300
The Plan:
- Engine CNC surfacing, CNC boring
- Engine sleeving with Melling sleeves
- Torque Plate Honing
- HP7-R camshaft
- Dual springs with Titanium Retainers
- CNC Ported new LS3 Heads
- Harrop HTV2300 with Gilmer drive
- 2.7 bar map sensor
- 525lph fuel pump
- CP Bullet Pistons
- Callies 8cw crank
- Callies Compstar Rods with ARP2000 bolts
- Scraper windage tray
- acl race bearings
- Aeroflow head studs
- chromoly pushrods
- gasket kit
- GM head bolts
- Ls7 lifters and buckets
- cam sprocket, cam plate, cam bolts and balancer bolt
- GM LSA oil pump
- Rollmaster Timing set
- LS2 Dampener
- Billet Barbell
- rear main plate
- valley plugs
- TSP Full Roller Rockers 1.72x
- 2800 rpm 265mm stall with triple plate lockup
- HD flexplate and ARP Bolts
- new starter motor
- new engine mounts
VF GTS LSA Harrop H2650i with cam upgrade
Cam upgraded LSA already had exhaust upgrade and made 508rwkw and 820Nm from being 31% overdriven with 13.3psi
The Plan:
- Harrop H2650i with 88lb injectors, 2.7 bar map sensor
- Oztrack HPSC-R cam
- Dual Springs with Ti Retainers
- LSA Head gaskets
- LS7 lifters and buckets
- 1000hp fuel pump upgrade
- GM LSA Head Gaskets and aeroflow head studs
- Cam sprocket, Cam bolts and Balancer Bolt
- CHE Rocker Bush Kit
Results:






