1970 Chevrolet Chevelle

Removed the entire Sniper EFI system from the engine. Built a rig to bench test the setup with battery power, keyed power, temp and O2 sensors, and Hyperspark distributor, without fuel. By spinning the distributor the ECU sensed rpm and would cycle t...
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Hyperspark ignition and coil suddenly failed to produce spark while the dash gauge read 200 rpm during cranking. Was unable to diagnose the cause. Wiring looks good and tune showed Hyperspark controlled ignition. Had to replace the distributor with a...
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With the installation complete (EFI, fuel system, sensors, previous ignition HEI), next is to fire up the motor.The hand-held display was mounted to the dash inside the car, with the wire through a hole in the firewall and a grommet to seal the hole....
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Time to replace the carburetor with a new Holley Sniper EFI complete system. Pulled out the mechanical fuel pump, carburetor, all metal and rubber fuel lines, and the fuel tank. Kept the HEI distributor in place for the initial startup, as recommende...
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Rebuilt the third engine with new crankshaft and bearings, new camshaft, lifters, aluminum heads, full roller rocker arms. Reused the Edelbrock carb and HEI.Mounted the engine on a test stand and connected to a radiator, battery, fuel tank and full e...
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The Chevelle served as the honored escape car after a family wedding.
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My parents purchased this Chevelle new from the dealer in July 1970, for $4478. It was equipped with a 300HP 350CI V8, three-speed TH350 transmission, air conditioning, stereo, power disc brakes, and F70x14 belted tires. The exterior color was #48 Fo...
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