***Stock my vary, lead times can be up to 8-10 weeks. Please call or email sales@vengeanceracing.net for questions***
LME 388" DART SHP PRO Shortblock is a proven combination to get more cubic inches and power for your ride. This block will go into any LS-powered vehicle! Any LS1,LS2,LS3,LSA,LS7 or LS9 can be pulled out and replaced with this stout unit! This engine is set up for a forced induction application. Supercharger, turbos, procharger it doesn’t matter this engine will take it. The aluminum block saves weight for those applications in need of weight savings.
Displacement:
388"
Bore:
4.125"
Proven Power Rating:
1400/1800/2000+ HP
Stroke:
3.625"
Compression Ratio:
10.5:1 w/ 64cc Chamber
Rod Length
6.125"
Cylinder Head Compatibility:
Any LS
Oil System Type:
Wet or Dry
Block:
DART SHP PRO
Crankshaft:
Callies 4340 Compstar 8 Counterweight w/ LME Blueprinting Process
Connecting Rods:
Callies Compstar XD (1600HP Rated)w/ARP Bolts
Pistons:
LME/Diamond 2K Custom Forged FI w/Gas Ports (.300" material above top ring land)
Wrist Pins:
Trend H-13 Tool Steel Heavy Wall .250"
Ring Pack:
Total Seal 1.5mm AP Stainless Top (for high heat applications) .043" Ductil Napier Second, 3mm Oil
Bearings:
Clevite H-Series Main & Rods
Main Studs:
ARP
LME Standard Shortblock Blueprinting Process:
Block is fully deburred & inspected for flaws
Cylinders diamond honed with torque plates for optimal clearance per application
Crankshaft journals indexed & trued to exact tolerance
Optimal cylinder geometry achieved with diamond hone and surface finish verified with profilometer
Chamfered oil holes for improved oiling to bearings
Cylinders machined for rod clearance per application
Crankshaft journals polished to 2 Ra or better surface finish
Block and components meticulously deburred & cleaned after machining process
Crankshaft balanced within ¼ oz-in tolerance
All five main bearings & all eight rod bearing clearances measured and adjusted for application
Connecting rod housing bores checked & adjusted for optimal roundness & size
Ring are precision file fit per application
Piston pin bores measured & adjusted for application
Cam bearings installed and test cam fitted to ensure smooth rotation
Block aline honed and set to low of spec for maximun bearing crush
All oil galley plugs and dowel pins installed
Deck surfaces machined perpendicular to mains & deck height set for optimal quench
Meticulous final assembly of shortblock
Cylinders bored (when applicable) on 4 axis CNC perpendicular to mains giving you a true 90o V8
All tolerances, clearances, machining specs, and part numbers are recorded and documented in build sheet