Olds 403 heads

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Thread Tools. March 11th, , PM. I finally got my engine together and took it out and it runs great. I still have some timing and carb adjustments to work out but the throttle response is amazing. I've gotta thank cutlass efi for the cam recommendation it pulls good and has a great sounding idle.

Olds 403 heads

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November 23rd,AM. Lots of things could be causing the pinging besides lack of quench.

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These are cast from virgin A aluminum and are heat treated to T6 specs. They are manufactured using their gravity casting process, which ensures a more uniform and robust casting. This provides a strong platform for you to build on. They are designed for high performance, are non-emission, Oldsmobile , , and c. This complete assembled pair of heads includes the following premium ProComp components: ProComp 2. These heads are similar to the Edelbrock Oldsmobile cylinder heads, at a much reduced cost. Anthony — March 11, Bought these for my GMC Motorhome. I had a professional speed shop build the engine. There were no problems at all with them as the arrived.

Olds 403 heads

Read up on cylinder head basics and then learn about what makes ours superior. The cylinder head is located inside an internal combustion engine, where it sits above the cylinders on top of the cylinder block. Together, the cylinders and the cylinder head form the combustion chamber, which is sealed by a head gasket. Valves, fuel injectors, and spark plugs are also often mounted to the cylinder head. A cylinder head is made up of various passageways, which it utilizes to control the combustion process and cool the engine. Internal combustion engines are essentially air pumps that generate power from fossil fuel. These channels also flow the exhaust fumes out of the combustion chamber and to the exhaust valve.

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The cam specs especially? Wanted Feb 13, DoubleV. The old school H is 56 degrees. Get the matching valve springs to go with whatever cam you go with, Cutlassefi is a good source and vendor. The extra exhaust duration will carry the RPM past the peak HP area a little better But you do not want to rev it too much. I still run that engine today and it caused me to sell and give away all my Oldsmobile stuff. I never milled more than. You get an anti-reversion situation from that.. You will wind up with an untrue bore. Status Not open for further replies. I drove that car over , miles in just a few years. With a normal street motor, running typically at RPM, and occasionally up to say The cam is a erson viking. I am going to start with 7a heads, I have been told I can just use the valves it has. Search Advanced search….

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Quick Reply: with heads what a difference! Suggestions on intake, carb, and cam would be nice too. AFAIK, compression and cam profiles are linked, so if you want to use the cam you just "reconditioned", pick the heads that best match it. Dang it. They sounded mean but were putzes. In my case, 5 heads with 64cc chambers. I don't think. I tossed stones at the Chevy small block for years because my Olds would spank all my buddies that had the Chevy. Also, with a , setup piston to wall clearance a little loose in the acceptable clearance range. Search forums. I think quench is important, more so than I thought on the Olds V8. With that said, I have a chance to buy 2 different castings to help build some power.