Introduction of Crate Motors for 2021 season
#29825 from American Sedan Committee · Recommended to the Board · Minutes (2020-12 Fastrack)
In AS, GCR Section 9.1.6.F, add the following:
"Implementation of “Crate Motor” options for Full preparation, Ford and General Motors produced cars is recommended for
2021 season.
9.1.6.F. Engine build Sheets:
1. Full Preparation
(full prep verbiage)
2. Crate Motor equipped full preparation vehicles
The following “crate motors” may be utilized in Full preparation vehicles
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Ford Performance M-6007-D347SR7 engine assembly for Ford produced vehicles
GM Performance parts CT400 P/N-1937 → 0604 engine assembly for GM produced vehicles
No modifications may be made to these engine assemblies except the following listed components. All replaced components
must be replaced with components meeting existing full preparation rules. If components are not furnished with the “Crate
Motor” assembly, all additional components must meet existing Full preparation rules:
1. Oil pan and oil pump pickup.
2. Valve/Rocker covers
3. Distributor assembly
4. Spark plugs
5. Water pump
6. Thermostat
7. Fuel pump
Disassembly of the engine is permitted for repair. All components must be replaced with exact OEM replacement components.
RPM limiters must be installed on Vehicles utilizing “Crate Motor” assemblies. RPM limits will be specified on vehicle specification
lines. RPM limits must be demonstrated by the competitor upon request of SCCA official.
“Crate Motor” equipped vehicles are not subject to additional weight additions due to increased displacement. Adjustments to
min weights may be made to balance performance if necessary. Refer to specification line for minimum weight requirements."