NEEDS FOR 2 BATTERY SET UP
#2915323
04/26/21 04:50 PM
04/26/21 04:50 PM
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Joined: Oct 2008
Posts: 1,176 East Coast
A/MP
OP
super stock
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OP
super stock
Joined: Oct 2008
Posts: 1,176
East Coast
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I'm moving from the simple Moroso water pump to Meziere 42 gallon pump and a larger electric fan. Looking to use 2 battery set up. Do I need to increase my alternator to 100 amps? Presently 1 wire 60 amp denso style. Strictly a track car.
Last edited by A/MP; 04/26/21 05:48 PM.
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: A/MP]
#2915330
04/26/21 04:56 PM
04/26/21 04:56 PM
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Joined: Dec 2012
Posts: 1,824 Wind Gap,Pa.
Sammy
top fuel
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top fuel
Joined: Dec 2012
Posts: 1,824
Wind Gap,Pa.
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I'm moving from the simple Moroso water pump to Meziere 42 gallon pump and a larger electric fan. Looking to use 2 battery set up. Do I need to increase my alternator to 100 amps? Presently 1 wire 60 amp denso style. No. Should be fine. I run same setup with 57 Amp Jones alternator.
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: A/MP]
#2915408
04/26/21 07:48 PM
04/26/21 07:48 PM
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Joined: Sep 2014
Posts: 4,457 Washington
madscientist
master
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master
Joined: Sep 2014
Posts: 4,457
Washington
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I'm moving from the simple Moroso water pump to Meziere 42 gallon pump and a larger electric fan. Looking to use 2 battery set up. Do I need to increase my alternator to 100 amps? Presently 1 wire 60 amp denso style. Strictly a track car. If you are going to use two 12V batteries I’d use a series-parallel switch and fire the car off of 24V and never look back. The engine will start quicker, the batteries will hold a charge longer and it’s just a better way to do it.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: A/MP]
#2915431
04/26/21 08:41 PM
04/26/21 08:41 PM
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Joined: Aug 2003
Posts: 43,237 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,237
Bend,OR USA
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I learned that with a two group 24 RV marine deep cell batteries and a good alternator it helps to slow charge the batteries before race day, that way they won't have to rely on the alternator to keep them near full charge after sitting between races. I use a 4 to 6 amp charger and let it run 24 to 48 hours before taking the charger off, I also use it during our lunch breaks at the track to top them off
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: madscientist]
#2915477
04/26/21 10:44 PM
04/26/21 10:44 PM
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Joined: Oct 2007
Posts: 4,209 New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,209
New York
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W/r/t I’d use a series-parallel switch and fire the car off of 24V Mercedes did this with great results
Boffin Emeritus
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: MR_P_BODY]
#2915546
04/27/21 08:33 AM
04/27/21 08:33 AM
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Joined: Jan 2003
Posts: 11,722 Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,722
Portage,michigan
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I learned how important proper wiring and good connections are. Had my car professionally rewired year before last. Going rounds, running electric water pump and fan, etc, etc. one interstate battery and 90 amp 1 wire alternator... not had a battery charger within 50 yards of the car one time since..ever. Car starts like its got 16v system on it every time.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, 10.40 @127 1/4 1.41 best 60 foot 6.60 at 103.90 1/8
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: MR_P_BODY]
#2915559
04/27/21 09:11 AM
04/27/21 09:11 AM
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Joined: Mar 2003
Posts: 2,516 PA
moparacer
master
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master
Joined: Mar 2003
Posts: 2,516
PA
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I have never run 2 batteries ever if you are running a alt... I had the same battery in it for 7 years.. the battery was still good but I changed it out Same here Mr P.
67 Barracuda street/bracket car 11.27-119 68 Dart 502 BB 8.70s-152 414 cid SB Dragster 7.65-174
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: B3422W5]
#2915563
04/27/21 09:21 AM
04/27/21 09:21 AM
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Joined: Feb 2005
Posts: 20,186 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,186
PA.
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I ran a 16 volt battery many many years ago before it was the cool thing to do. They were made in New Castle Pa and rarer to find then Hens teeth. I was always afraid of it going bad at one of the long race weekends I raced at so I took a good Sears Platinum 12 volt battery with me to a test n tune one night. I ran 8.66 with the 16 volt and 8.66 with the 12 volt battery. And this was before I was smart enough to run an alternator. I ran the 16 volt for another year till it was getting older and never ran one since. There’s one sitting in the heads up car I bought five years ago that will be getting pulled out to. We were all in a hurry to pull our alternators out of our cars 35 plus years ago and it was the stupidest thing we could have ever done. Lol 😂
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: NEEDS FOR 2 BATTERY SET UP
[Re: pittsburghracer]
#2915584
04/27/21 10:10 AM
04/27/21 10:10 AM
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Joined: Jan 2003
Posts: 8,028 Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,028
Tulsa OK
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I ran a 16 volt battery many many years ago before it was the cool thing to do. They were made in New Castle Pa and rarer to find then Hens teeth. I was always afraid of it going bad at one of the long race weekends I raced at so I took a good Sears Platinum 12 volt battery with me to a test n tune one night. I ran 8.66 with the 16 volt and 8.66 with the 12 volt battery. And this was before I was smart enough to run an alternator. I ran the 16 volt for another year till it was getting older and never ran one since. There’s one sitting in the heads up car I bought five years ago that will be getting pulled out to. We were all in a hurry to pull our alternators out of our cars 35 plus years ago and it was the stupidest thing we could have ever done. Lol 😂 I manage a battery distributorship and we are two miles from the dragstrip. Its rare but we get the occasional panicked call of someone looking for a 16 volt battery. The only way we have to make 16V is two 8V golf cart batteries, no one has been that desperate yet. I suppose its probably not a big deal to convert to 12 volt for a weekend if you are carb'd? An EFI car might have an issue if they didn't have good injector data entered.
68 Barracuda Formula S 340
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