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Old 01-08-2014, 08:28 AM   #1
RebelGhost
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Default Changing from 12 volt to 16 volt

I've been running a realy small 12 volt agm battery, no alternator, charging between rounds. If like to switch to a bigger 16 volt battery because I feel the one I have now doesn't have enough ass to run my digital six box and coil, nitrous solenoids, trans brake and fuel pumps. If I went with a 16 volt battery will I need to change anything? I already have a charger and I don't run an alternator so that's covered...
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Old 01-08-2014, 08:48 AM   #2
corcon
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Default Re: Changing from 12 volt to 16 volt

12v and 16v chargers are different.Read up on your digital 6.I know the 7 is ok on 16v
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Old 01-08-2014, 09:41 AM   #3
RebelGhost
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Default Re: Changing from 12 volt to 16 volt

I have a turbo start 16 volt charger and msd says the box will work at 9-18 volts. I'm worried about the starter fuel pumps nitrous solenoids and trans brake. I also have the Moros electric water pump drive how will that do?
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150 shot 10.049 @ 131.98 mph 2695 lbs.

1975 pontiac astre 327 .030 over, 291 heads, powerglide, ladder bar 12 bolt 4.56 rear
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Old 01-08-2014, 09:44 AM   #4
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Default Re: Changing from 12 volt to 16 volt

I was going to upgrade to a 16v system but decided to put a one wire alternator on and now it's perfectly fine charging. I still put my battery charger on between rounds, but even round robbin I've never had an issue.
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Old 01-08-2014, 10:32 AM   #5
gary federico
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Default Re: Changing from 12 volt to 16 volt

Everything today is made to handle 16 volts with no issues, all regulated parts such as fuel pump will run faster and have to be adjusted, water pump will run faster also but no big issues. I have run 16 volts for yrs with and without alternator.
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Old 01-08-2014, 10:49 AM   #6
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Default Re: Changing from 12 volt to 16 volt

I have a brand new 16v tubostart battery ill sell cheep if you need it.

On my car all that was changed was alt, and battery.
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Old 01-08-2014, 11:12 AM   #7
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Default Re: Changing from 12 volt to 16 volt

I would be interested in the battery. Let me know what you want for it.
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Old 01-08-2014, 12:02 PM   #8
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Default Re: Changing from 12 volt to 16 volt

Quote:
Originally Posted by Lvnspeed View Post
I have a brand new 16v tubostart battery ill sell cheep if you need it.

On my car all that was changed was alt, and battery.
That would be great. How much do you want?
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150 shot 10.049 @ 131.98 mph 2695 lbs.

1975 pontiac astre 327 .030 over, 291 heads, powerglide, ladder bar 12 bolt 4.56 rear
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Old 01-08-2014, 03:37 PM   #9
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Default Re: Changing from 12 volt to 16 volt

Asking 175 plus shipping. Its BRAND NEW never used. I couldnt use it because it would clear my roll bar where my battery tray is. The part number is S16V. Yes Ill accept Paypal. I will ship it via Fedex too.

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Old 01-09-2014, 12:58 AM   #10
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Default Re: Changing from 12 volt to 16 volt

everything should handle the 16V fine. Stock headlights, and interior lights with be brighter, and burnout quicker if you have or use them. I also burned up a few autometer quage back lights. No biggie. There cheap, when one burns out I just change them all, since I have the dash apart. I do recommend a alternator, but alot of guys dont run them.
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Old 01-09-2014, 09:34 AM   #11
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Default Re: Changing from 12 volt to 16 volt

What type of racing do you do with the car ? If you bracket / index race, put an alternator in the car. Your electronics will thank you. I have run an 105 amp one wire unit for years now. I got lazy and decided to put in a second battery. I only hook up the trickle charger at night now. Two season, no issues. Good luck !
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Old 01-09-2014, 11:28 AM   #12
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Default Re: Changing from 12 volt to 16 volt

I mostly just go out and test. I don't go to try and win I go and try to go as fast as possible without breaking shit. Most of the time I'll make three hits and go home. There are no index classes at my local track and it's hard to dial my car because it's all thrown together parts. My carb and converter hurt it the most.
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N/A 11.19 @ 121mph 2745 lbs.

150 shot 10.049 @ 131.98 mph 2695 lbs.

1975 pontiac astre 327 .030 over, 291 heads, powerglide, ladder bar 12 bolt 4.56 rear
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Old 01-12-2014, 12:51 PM   #13
montys 55
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Default Re: Changing from 12 volt to 16 volt

I ran 16 volts years ago by using two 8 volt batteries.

Ran all day without having to charge the batteries but the electric fuel pump and water pump life was bad.

Previous poster said that's not a problem now but I would check with the manufacture of any electrical item your using.

A fully charged 16 volt battery is 17.6 volts.

Last edited by montys 55; 01-12-2014 at 12:54 PM.
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