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88958604 GMR 350/400 Circle Track Engine
Great racing power at a reasonable cost
(400 HP at 5500 RPM - Torque 400 @ 4500 RPM)
This is a factory sealed crate engine package, complete from intake manifold, stamped steel valve covers with racing style breathers, and 8 quart dual kick-out circle track racing oil pan. The Fast Burn 400 engine is a great value with the 1053 forged steel crankshaft, aluminum heads with 2.00"/1.55" valves, hydraulic roller cam & lifters.
Technical Notes:
These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads.
1.5:1 Roller Rocker Arms & Roller Cam
Lift - .474 intake / .510 exhaust
Fast Burn Aluminum Cylinder Heads
D-shaped exhaust ports
Valve Diameter Intake 2.00", Exhaust 1.55"
Plugs AC Delco part # MR43LTS gap @ .045"
Circle Track Racing Pan, Dual "Kick out" design
8 quart capacity, 7" deep and has 6 trap doors, 3 Crankshaft scrapers
Plus oil temperature fitting and oil check plug.
Timing Cover Bolt Sealing System
2 bolts per cover
Head Bolt Sealing System
1 bolt per head
Intake Bolt Sealing System
2 bolts per intake
Oil Pan Bolt Sealing System
2 bolts per oil pan
Single Plane Vortec Style Intake
A look inside the intake
One - Piece Rear Main Seal
When a high pressure fuel pump is run with a steel roller cam, the stock fuel pump pushrod may not be compatible with the steel roller cam. You can damage the steel roller cam as a result of wear at the fuel pump lobe. It is recommended you use a Bronze Tip Fuel Pump Pushrod. Such as the COMP CAMS part # 4607 The stock small block fuel pump attaching plate will work fine.
All GM Circle Track Crate Engines must use a counterweighted flywheel
The one-piece rear seal cranks have a 3.00" flywheel flange bolt pattern.
Bert counterweighted flywheel for GM Circle Track Crate Engines
Bert part # 311-NC-EXT
Distributor Gear Caution
GM Crate Engine P/N - 88958604 has a steel roller cam
And you must use a Hardened Melonized distributor gear.
(DO NOT USE A CAST DISTRIBUTOR GEAR)
Melonized gear for GM HEI distributor with .491-shaft size
GM P/N -10456413
Melonized gear for MSD distributor with .500 -shaft size
MSD P/N - 8531
ferguson@mychoice.net
88958604 GMR 350/400 Circle Track Engine
Great racing power at a reasonable cost
(400 HP at 5500 RPM - Torque 400 @ 4500 RPM)
This is a factory sealed crate engine package, complete from intake manifold, stamped steel valve covers with racing style breathers, and 8 quart dual kick-out circle track racing oil pan. The Fast Burn 400 engine is a great value with the 1053 forged steel crankshaft, aluminum heads with 2.00"/1.55" valves, hydraulic roller cam & lifters.
Technical Notes:
These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads.
1.5:1 Roller Rocker Arms & Roller Cam
Lift - .474 intake / .510 exhaust
Fast Burn Aluminum Cylinder Heads
D-shaped exhaust ports
Valve Diameter Intake 2.00", Exhaust 1.55"
Plugs AC Delco part # MR43LTS gap @ .045"
Circle Track Racing Pan, Dual "Kick out" design
8 quart capacity, 7" deep and has 6 trap doors, 3 Crankshaft scrapers
Plus oil temperature fitting and oil check plug.
Timing Cover Bolt Sealing System
2 bolts per cover
Head Bolt Sealing System
1 bolt per head
Intake Bolt Sealing System
2 bolts per intake
Oil Pan Bolt Sealing System
2 bolts per oil pan
Single Plane Vortec Style Intake
A look inside the intake
One - Piece Rear Main Seal
When a high pressure fuel pump is run with a steel roller cam, the stock fuel pump pushrod may not be compatible with the steel roller cam. You can damage the steel roller cam as a result of wear at the fuel pump lobe. It is recommended you use a Bronze Tip Fuel Pump Pushrod. Such as the COMP CAMS part # 4607 The stock small block fuel pump attaching plate will work fine.
All GM Circle Track Crate Engines must use a counterweighted flywheel
The one-piece rear seal cranks have a 3.00" flywheel flange bolt pattern.
Bert counterweighted flywheel for GM Circle Track Crate Engines
Bert part # 311-NC-EXT
Distributor Gear Caution
GM Crate Engine P/N - 88958604 has a steel roller cam
And you must use a Hardened Melonized distributor gear.
(DO NOT USE A CAST DISTRIBUTOR GEAR)
Melonized gear for GM HEI distributor with .491-shaft size
GM P/N -10456413
Melonized gear for MSD distributor with .500 -shaft size
MSD P/N - 8531
