Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks


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Alligator
Total Likes: 1
Original Post (Thread Starter)
by Alligator
Alligator
Need some help
Poblem: The Engine does not take gas properly and stutters. At constant throttle position you notice that the engine runs rough. At full throttle it gets a little better.
The spark plugs are dry, but black. Does indicate that the engine is too rich, or not? When cleaned the spark plugs, he is somewhat unwilling when starting and even patches sometimes quite properly.

What i did:
Engine was completely overhauled 4 years ago. Since then hardly driven because of resto.
- Drilled / honed for new oversize pistons
- Crankshaft ground to oversize bearing
- new camshaft/bearings
- new valves incl. guides/tappets. Head planned
- new connecting rod bearings 
- new timing gears
Carburetor overhauled by me, with repair kit (gaskets, jets, float needle..). Float level checked according to manual. Throttle Connector checked with Metering Rod Gauge
Automatic Advanced Mechanism checked
Compression checked - all 6 cylinders between 100-108 PSI
Valves adjusted
Ignition timing checked
Distributor Point Gap adjusted
Idle adjustment according to manual - once with vacuum method and once with 1 3/4 turn basic position and adjust to idle 

But somehow all this did not lead to success
Liked Replies
by Rusty 37 Master
Rusty 37 Master
That is great news! Thank you for letting us know the results.

It is also good that you were able to locate a workshop who has the expertise to do correct work on these old cars.
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