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| BY THE NUMBERS |
| HENDERSON MARINE 407CI |
| SMALL-BLOCK CHEVY |
| Bore: |
4.155-inch |
| Stroke: |
3.750-inch |
| Compression ratio: |
11.4:1 |
| Carburetor: |
Holley 830 cfm |
| Jets |
Percy's Adjust-A-Jet |
| Intake: |
Edelbrock Performer RPM |
| Carb spacer: |
Wilson Manifolds |
| Cylinder heads: |
Pro Comp |
| Intake valve: |
2.125-inch |
| Exhaust valve: |
1.625-inch |
| Gaskets: |
Fel-Pro |
| Block: |
'76 GM 400 |
| Camshaft specs: |
COMP Cams |
| Valve lift: |
.647-inch lift |
| Duration: |
246/258 degrees at .050 |
| Rocker arms: |
COMP stainless steel |
| Pushrods: |
COMP 3/8 inch |
| Valvesprings |
K-Motion |
| Crankshaft: |
Scat |
| Rods: |
Eagle |
| Rod length |
6.00-inch |
| Pistons: |
Mahle |
| Rings: |
Total Seal; 1.5/1.5/3mm |
| Coatings: |
Techline |
| Ignition: |
MSD |
| Water pump: |
Edelbrock |
| Damper: |
Innovators West |
| Oil: |
AMSOIL 5W20 |
| Headers: |
Stan's |
| Mufflers: |
MagnaFlow |
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