Dart LittleM Block
4.125" bore
400 Mains
Steel Main caps (all 4-bolt)
Blind-tapped Head bolt holes (no penetration into water jacket)
No steam holes required
2-pc RearMainSeal
100% compatible with OEM SBC parts
Standard starter mount
Standard Oil filter mount and wet-sump pump
Standard Cam bearing size and location (bearings are not stepped though)
Minor details
No waterpump bypass
No rear block rail oil pressure port (back port is present but moved)
Must use 400sbc diameter oil pump driveshaft
Many oil bosses for dry-sump apps must be blocked off
Must use 2-pcRMS oil pan and retro-fit roller lifters
Left (Drivers) side oil dipstick (can mill/drill for Right side)
The plan is to clearance a 4-inch stroke crank along with the 4.125-inch bore to make a 427 cubic-inch small-block. Hoping to have it assembled and running by the Spring 2005 season.
Technical Specs on Dart LittleM block
(Updated) Technical Specs on Dart LittleM block
