ACE Dart LS Next²
Starting From $35,000.00
This engine is ideal for Ultra Street, X275 and No Time combinations. It can also be configured for a Drag ‘N’ Drive combination, such as the 400ci combo that won Sick Week 2023 in Michael Westberg’s S10 pick-up truck (4.06 @ 183mph / 6.39 @ 240mph).
Please contact us to discuss your build – we want to configure your new engine to meet or exceed the ET requirements for the application and weight of your race car.
Our all new Dart LS Next² Long Blocks are fully CNC Machined, blueprinted and Dyno tested. Each engine comes with an Engine Specifications File for your records.
Specifications:
- 3000hp rated Dart LS Next² Iron or Aluminum block
- Dart LS Next² – 1/2″ head studs, 1/2″ main studs w/ Cleveland mains
- Bore & stroke –TBD
- Engine size – 388ci/400ci/427ci
- Piston Dome/Dish – TBD
Our 3000hp rated Dart LSN2 Long Blocks include, but not limited to the following precision machining/blueprinting:
- Balancing
- CNC Block Machining
- Cylinders double torque plate CNC diamond honed for correct piston to wall clearance and surface finish.
- Align Hone
- CNC Machine Block for Receiver Grooves
- CNC Machine Cylinder Heads for Top Fuel hoops
- Full surface finish reports on deck and cylinder wall finish
- Heads CC’d and valve job
- Valve spring heights set up
- Pushrod length
- Rocker geometry
- Dyno Break-In
- Dyno Test
- Engine fully blueprinted
- Engine Build File & Dyno Data sheets provided
Short Block Components:
- Dart LS Next2 Iron Block 4.125″ bore, 9.240″ Deck height
- 1/2″ Main Studs
- 1/2″ Heads Studs
- Ford/Cleveland 2.750″ Mains
- Winberg Crankshaft
- Clevite/Mahle H-Series Rod Bearings
- Clevite/Mahle or Daido Main Bearings
- MGP, GRP or CP Carrillo Billet Aluminum Rods
- Custom Ross Racing Pistons
- Total Seal Piston Rings
Long Block Components:
- Cylinder Heads –
- CID LS7 – H2O or Solid
- CID LS-CR
- MAST LS7
- Top Fuel Hoops
- Copper Head Gaskets
- Custom Camshaft – Solid or Hydraulic Roller
- PSI or JHE Springs
- Manton push rods
- Crower or Jesel Rockers
- Johnson, BAM or Jesel Lifters
- ATI Damper
- RCD Billet Gear Drive
- ARP Hardware
- GM Rear timing cover & gasket
- Billet valley cover
- ACE Racing Engines Billet valve covers
Oil System options (in order of preference):
- Dailey Dry Sump System
- External wet system with Barnes pump and custom pan
- Internal Melling pump
– ACE Racing Engines makes no guarantee regarding operation of the Goods in settings or in ways that may be illegal or highly regulated, including those regarding smog and emissions. Please refer to your State/Country guidelines.
– Due to the custom nature of our builds, the product images shown here are for illustration purposes only and may not be an exact representation of the product.