The LT1 has got a 4 inch bore and a 3.48 inch stroke. It could maybe displace a number of.7 liters and in British system, you are thinking about about 350 cubic half inch. In the initial version, the compression ratio was 10.4:1 but in the later version of LT4, has been a slight boost in the compression ratio to 100.8:1. Powdered metal is used for appropriate brightness . connecting rods. For performance vehicles like Corvette, the heads are formulated with aluminum. There are two valves per cylinder, the diameter every and every valve being 1.94 inches. In the later version of LT4 engines, the diameter of the valves has been slightly increased to two inches. These slight changes in the later version of LT4 do not in however affect the horsepower and torque with the engines.

I immediately attached my lab scope and verified the condition of the upstream O2's. Both where at a.75 - .9 volts and not “shifting”. By the sound of your Electronic Control Unit engine and also the condition with the upstream O2 sensors, Utilised to be inclined to think that automobile possibly had an ignition timing circumstance. I then attached my timing light, unplugged the “timing jumper” and checked base timing. I believed i was dead forward. I reconnected the timing jumper and checked the PCM's timing restrain. It was throughout the map! I could not get a comfortable reading, even at lazy. This lead me to conduct testing about the Ignition Module and Recieve Coil Devices. These components also tested fine.

Bear as their objective that the government will give a tax deduction of $2,000 if you add an HHO system to your car. Look up their page. You will need to retain all your receipts as proof of conversion.

Let's take a look at what the Engine Control Module (ECM) does in your car. It controls the fuel injection, the ignition timing and everything else that is what makes the drive silky smooth. If the ECM starts malfunctioning, then its time you looked into a replacement.

So are constructed the savings, for free, on natural gas. All that is required straightforward Powertrain Control Module tap stream. The generator will need replenishing and cleaning periodically, it makes sense to be able to remove it quickly. A basic cradle to mount it in is enough.

Checking the of pressure generated through your car's fuel pump will require several different tests. Consist of static, residual, running, and dead head pressure assessments. Each procedure requires its own gauge, can be used to gauge the involving pressure in numerous circumstances. For example, a running fuel pressure test is done while the engine is idling. A residual pressure test is performed several minutes after you can has been turned right off.

Let's have a closer look at these steps. First, we in order to be test the integrity from the ENTIRE circuit so placing your test leads at the battery is a must. Place make action lead for your DVOM so you can always connect to the battery ground terminal alongside with your negative meter lead. Second, it is crucial to have dominated the source voltage available. If for example the battery is weak to begin with, your circuit has already been working with a handicap. Very good is to measure source voltage the actual engine running, and use that simply because baseline.

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