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04-08-2008, 07:42 AM
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#1 |
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Registered User
Join Date: Jul 2007
Location: Covina Calif
Posts: 172
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new alt and reg
 I just instaled a new alternator and regulator to night and i want to know how much volts it should be charging. just the battery reads 12.5 to 13 volts but when i start the truck it reads 15 to 16 volts charging and i want to know if thats to high.
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"Your trucks fast! You must have been going 120 when I passed you." "Owning A 10 Sec Import Is Like Coming Out Of The Closet, In The End Ur Still Gay" If for some reason i loose to a import...At least i can go home knowing the vehicle i drive drops girls panties... |
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04-08-2008, 09:12 AM
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#2 |
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Registered User
Join Date: Feb 2003
Location: Bakersfield, CA
Posts: 38
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Re: new alt and reg
The voltage is too high, it should be about 14 to 14.3. What are you using to measure the voltage? Why did you swap out the regulator and the alternator in the first place?
jerdog |
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04-08-2008, 12:28 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: new alt and reg
in all reality, yoiu should consider getting a unit with the internal regulator. There's about eleventy billion threads here showing how ti do it, but the regulator in the later model altenators are simply better, and there's a higher amp rating, and it gives way more power at low RPMS.
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04-08-2008, 02:16 PM
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#4 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,233
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Re: new alt and reg
i like t see between 14-15 volt here check out this swap
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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04-08-2008, 02:58 PM
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#5 | |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: new alt and reg
Quote:
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1997 GMC Sierra Ext 1965 Mustang |
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04-08-2008, 03:22 PM
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#6 | |
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Tot Roddin'
Join Date: Apr 2005
Location: Mid-MO
Posts: 24,461
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Re: new alt and reg
Quote:
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-Nate  1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package) |
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04-08-2008, 10:53 PM
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#7 | |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: new alt and reg
Quote:
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04-08-2008, 11:45 PM
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#8 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: new alt and reg
you should also make sure you have a good ground from the rad support to the frame rail for proper operation of the regulator
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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04-09-2008, 02:53 AM
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#9 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: new alt and reg
When you check for the reading it should be after it's warmed up. At idle it should read around 12 1/2 to 13 volts. At fast idle around 14. I think it's 2500 RPM'S.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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04-09-2008, 03:42 AM
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#10 |
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Need a bigger hammer..
Join Date: Feb 2007
Location: Escondido,CA.
Posts: 280
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Re: new alt and reg
Mine reads 15.25 volts at about 2000 RPMs, always has..
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1968 GMC 3/4 LWB fleetside Custom Camper 2018 Silverado High Country 2500HD Duramax 4X4 |
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