[Mr. Wyndham]

To all that's been said. It's normal.

And Quicksilver...your car is gorgeous!!!

[raptor5244]

Anyone have a voltage reading of their battery with the engine off. I am getting 12.32v. It starts, but I feel like the starter is initially slow to turn over. The charging meeting on the display does the typical stuff when driving. It will show somewhere around 14v for a bit and then drop down to 12.5 or so? Are these starters slow to turn over these engines? Wondering if 12.32v is ok, I would think it should be at 12.5 or higher?

[Glen e]

Originally Posted by raptor5244

Anyone have a voltage reading of their battery with the engine off. I am getting 12.32v. It starts, but I feel like the starter is initially slow to turn over. The charging meeting on the display does the typical stuff when driving. It will show somewhere around 14v for a bit and then drop down to 12.5 or so? Are these starters slow to turn over these engines? Wondering if 12.32v is ok, I would think it should be at 12.5 or higher?

In general, the battery is 100% at 12.6 , at 12.3 it's about 70-80 % So it's fine.

Understand direct injection takes a few times to crank over to pressurize. That's why it seems like it takes longer to start , it's not the battery.

[raptor5244]

Originally Posted by Glen e

In general, the battery is 100% at 12.6 , at 12.3 it's about 70-80 % So it's fine.

Understand direct injection takes a few times to crank over to pressurize. That's why it seems like it takes longer to start , it's not the battery.

Thanks for the reply. It was not so much the number of cranks but the the first initial crank seemed a bit weak a few times when I was running errands today. Seems more prevalent with a hot start. I know with the new smart charging tech it may not keep the battery fully charged at 12.6v all the time as it balances the electrical load between the alternator and battery, but I hope the smart charging tech will inform me if it does sense a low voltage condition.

[BFox]

Mines not my daily driver so I got a tender I leave on it as I felt the initial crank was a little lazy as well
Wondering if the starter is a carryover from an LS and doesn't quite have the huevos for the higher compression LT1

[Quiksilver16ss]

Originally Posted by raptor5244

Thanks for the reply. It was not so much the number of cranks but the the first initial crank seemed a bit weak a few times when I was running errands today. Seems more prevalent with a hot start. I know with the new smart charging tech it may not keep the battery fully charged at 12.6v all the time as it balances the electrical load between the alternator and battery, but I hope the smart charging tech will inform me if it does sense a low voltage condition.

Mine worries me a bit too on a hot start on a hot day.. It turns over a bit slower than I Would like it to.. But never has let me down.. And I can't help but think that someone is listening and watching saying dang that guy has a bad ass new car with a weak battery!!!

[MovieGuy]

The voltage will change when the battery is under load. Watch how far the voltage drops while the starter is cranking. That will tell you a lot more than what it is with no load. Also right after starting the car, the battery has had a tremendous load put on it, so the amps will be higher as it is recharging from the startup.

[raptor5244]

Originally Posted by Quiksilver16ss

Mine worries me a bit too on a hot start on a hot day.. It turns over a bit slower than I Would like it to.. But never has let me down.. And I can't help but think that someone is listening and watching saying dang that guy has a bad ass new car with a weak battery!!!

Yeah, I was leaving my family's driveway and when I cranked it up they said it sounded like it was dragging/slow cranking. As long as it cranks over then great but usually that slow crank on other cars has always been a sign that it is time to get a new battery.

[eurostyle]

Originally Posted by Glen e

In general, the battery is 100% at 12.6 , at 12.3 it's about 70-80 % So it's fine.

A battery at 12.6 or 12.3 is a dead battery. Take a volt meter and measure right at the battery for accuracy. My 2 15 Camaros always showed charging between 13.4 and 13.8. This new 16 show charging of 12.4. Something is not right.

[Glen e]

Originally Posted by eurostyle

A battery at 12.6 or 12.3 is a dead battery. Take a volt meter and measure right at the battery for accuracy. My 2 15 Camaros always showed charging between 13.4 and 13.8. This new 16 show charging of 12.4. Something is not right.

Totally wrong.......i'll let somebody else explain it to you

[SuperSound]

Originally Posted by eurostyle

A battery at 12.6 or 12.3 is a dead battery. Take a volt meter and measure right at the battery for accuracy. My 2 15 Camaros always showed charging between 13.4 and 13.8. This new 16 show charging of 12.4. Something is not right.

Didn't realize 12.3 or 12.6 volts is a dead battery in a 12 volt system. There's a difference between voltage when the alternator is charging and static charge when the alternator is not charging.

[eurostyle]

Glen e, I just checked the battery before starting the car, it shows 13.76 volt. Trust me, if it is between 12-12.6 it is dead meat.
Been working on marine electrical systems for over 20 years now.

[raptor5244]

I measured the voltage it at the jump terminals under the hood with a quality meter. Do you think that will make a difference vs. putting the meter directly on the terminals? They don't seem easy to access?

[Glen e]

Originally Posted by eurostyle

Glen e, I just checked the battery before starting the car, it shows 13.76 volt. Trust me, if it is between 12-12.6 it is dead meat.
Been working on marine electrical systems for over 20 years now.

You are checking the battery with the engine running .....I also have been marine systems for 20 years. You are reading the charging system ,not the battery

Car batteries resting voltage is maxed at 12.7, once surface charge is removed. Educate yourself here : http://www.batteryfaq.org