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Old 08-31-2024, 12:32 PM   #1
kna4977
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OEM Battery?

Which Delco Battery/Batteries would a 1972 Blazer have come with new?
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Old 09-01-2024, 07:20 AM   #2
1970cstblazer
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Lightbulb Re: OEM Battery?

The side terminal R89/R89W is for 1971-72.



If you want to use a modern battery, they also make toppers:

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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels

Last edited by 1970cstblazer; 09-01-2024 at 08:35 AM.
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Old 10-19-2024, 09:08 PM   #3
kna4977
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Re: OEM Battery?

Where can I get a set of correct battery cables? Currently has top post cables.
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Old 10-20-2024, 12:14 AM   #4
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Re: OEM Battery?

Quote:
Originally Posted by kna4977 View Post
Where can I get a set of correct battery cables? Currently has top post cables.
I got mine from Rock Auto.
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Old 10-20-2024, 07:17 AM   #5
1970cstblazer
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Lightbulb Re: OEM Battery?

https://67-72chevytrucks.com/vboard/...ghlight=CABLES
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 10-20-2024, 12:02 PM   #6
kna4977
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Re: OEM Battery?

Quote:
Originally Posted by 1970cstblazer View Post
Saw that but not sure he's still doing them.

How long are the original cables supposed to be for a 72 4x4 with A/C maybe I can make something universal work

Last edited by kna4977; 10-20-2024 at 12:16 PM.
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Old 10-20-2024, 01:04 PM   #7
1970cstblazer
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Exclamation Re: OEM Battery?

Quote:
Originally Posted by kna4977 View Post
Saw that but not sure he's still doing them.

How long are the original cables supposed to be for a 72 4x4 with A/C maybe I can make something universal work
Don't bother. Get the right stuff the first time.

If Roger does not produce them, check with M&H or Lectric Limited

https://www.lectriclimited.com/shop/...-ground-straps



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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 10-26-2024, 09:59 PM   #8
kna4977
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Re: OEM Battery?

Quote:
Originally Posted by 1970cstblazer View Post
Don't bother. Get the right stuff the first time.

If Roger does not produce them, check with M&H or Lectric Limited

https://www.lectriclimited.com/shop/...-ground-straps



Roger reached out to me last Monday in response to my request and said he had a set of cables for my application so I sent payment. I haven’t heard anything since then despite multiple inquiries via PM and email.

I guess worst case scenario I’m out $160 and have to continue to search.

He was last active yesterday at 7:43 pm and hasn’t responded to my PM or email inquiries.

Last edited by kna4977; 10-26-2024 at 10:11 PM.
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Old 10-27-2024, 07:05 AM   #9
1970cstblazer
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Exclamation Re: OEM Battery?

Please be patient. He is a very well respected member in the truck hobby. He will come through and you will be happy with the product.
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1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 11-02-2024, 11:33 AM   #10
kna4977
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Re: OEM Battery?

Where/whaf is the ground strap supposed to bolt to? Currently grounded to the front of passenger head right behind the a/c compressor bracket. The secondary ground looks like it might attach to the passenger side inner fender. There’s a hole there for a bolt. Anyone know what size bolt needs to go there to attach it?

Last edited by kna4977; 11-02-2024 at 01:31 PM.
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