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## How many amps does it take to start a V8 engine?

**400 to 600 amps** will be more than enough to jump-start any normal, consumer vehicle. Commercial vehicles may require up to 1500 or 2000 amps. Compact and small vehicles can be boosted with as little as 150 amps.

## How many amps does an engine starter draw?

A good starter will normally draw **60 to 150 amps with no** load on it, and up to 250 amps under load (while cranking the engine). The no-load amp draw will vary depending on the type of starter. If the amp draw is too high, the starter needs to be replaced.

## How many amps does a LS starter use?

PM: On a workbench, a starter will draw 80 to 90 amps. However, during actual start-up of an engine, a starter will draw **250 to 350 amps**.

## Will 300 amps start a car?

At 12 volts, your engine will require roughly 200 amps. As your voltage drops in your battery while cranking the amperage goes up to compensate, so at 9 volts you may be using 250 amps. So if you have a battery with 300 cranking amps, it should **start any gas automobile**.

## How many cold cranking amps do I need for a 350?

How many cold cranking amps do I need for a 350? For example, a 350 cubic-inch displacement engine requires 350 CCA minimum. For colder climates, add 20% of the cubic-inch displacement to the CCA. Therefore, 350 x 0.2 = **70**.

## How many amps does a 7.3 starter draw?

Starter draws **less than 160 amps**. Alternator output is 13.29 volts – 60 amps.

## How many amps does a starter solenoid draw?

Given the extra-ordinary effort required of the solenoid coil, it might typically draw **8 to 10 amps** during engine cranking.

## Does a starter need to be fused?

Fire caused by electrical wiring faults is avoided by fusing **EVERY circuit**. This must include the starter motor. If excessively long cranking melts the fuse, then the motor and associated wires are protected.