Tag Info

Hot answers tagged

3

It sounds like it's dieseling to a stop. As @mikes suggests, there are hot spots in the combustion chamber. This is usually because there is carbon buildup there. You'll need to clean the carbon out, plus check your timing, and also ensure your carb isn't dumping unwanted fuel. To clean the combustion chambers, I'd suggest a Seafoam treatment. Also, you can ...


3

I would check the idle speed first. Many older cars had a different idle speed for manual or automatic. Look for a vacuum leak as this could cause a slight idle speed increase. As could dirt holding the throttle plates open. Check the timing at the correct idle speed. If the timing is advanced the pistons can get hot spots. If the idle is high enough, after ...


3

A quick check showed that the factory 350 with a carb was rated at 175 HP, 210 if it had TBI (throttle body injection) the 190 HP crate motor should be enough. As a plus the crate motor will have a cam with a more modern design resulting in a better running engine. While 190 HP will be enough, you have to remember that mid 80's trucks were not intended to ...


2

A few options to consider: Coolant concentration, but if the mechanics tested the gases to be sure they check the concentration level. Too little antifreeze in relation to water will negatively affect boiling temp. radiator is stopped up water pump veins warn off causing low coolant flow


1

Smoke is a white slight blue colour. At the gass station the attending and I both triple checked it. I was way over the full mark. I had driven the car and it was at temperature when switched off. This morning I pulled it out of the garage and then checked it three times and it was at the bottom stripe of the dipstick.


1

If you look at your engine you will see that in 1974 almost all emission controls were connected to or controlled by a vacuum hose. As the hose ages it cracks and causes vacuum leaks. Many of the components had no vacuum applied until the engine was warm and above idle speed. This can result in good idle and performance cold but a vacuum leak and poor ...


1

To some extent, all combustion engines lose power in warmer conditions. Cold air is denser, and contains more oxygen, so more fuel can be burned, resulting in more power. Is it an incremental change in power, or do you notice that over a certain temperature, there is a large noticeable drop in power?


1

Do any of the four cylinder car guys out there run this configuration? Yes, I believe Subaru does this. If not them, then the VW Beetle. If they do, what would they call those cams? I don't think they're called anything special. But I don't know for sure. In particular, I'm really curious, are there any similar solutions for Subaru platforms ...



Only top voted, non community-wiki answers of a minimum length are eligible