low4x4's dual alternator upgrade

[low4x4]

well today is the day for complete assembly
hide the wires

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screw the bases down

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secure speakers and trim

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and the final...speakers are not wired yet...but I have another trick up my sleeve for that

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[df2x4]

Looks good! Love the attention to detail with the wire hiding.

 

[SCOTTYINWV]

That is so clean

Details on the speakers?

 

[low4x4]

thanks ....speakers are just a set I bought off e bay that were right side and left side

 

[Jay Robertson]

right now we have a sbc 355ci coverted tbi to mult-point fi ... don't use a/c so I wanted to put in an extra alternator to cover for the amps I am running...two 600 watt and adding another 425 watt in the bed...here is what we are starting with

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here is one option
the bracket is a common replacement on the 96 and up vortec motors I found mine on ebay of a v-6 4.3l motor

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here it is installed

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I was going to use this setup but didn't like how the tensioner was placed so I went with this setup

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this is off a 95 4.3 l van 2500 ...there was one forum that had used the 88-95 v-6 brackets...
but around here they are really hard to find
I have a extra 95 alternator 160amp hanging around,so I decided on using this bracket....here is how I did it

this I what I took off

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carefully clamp the tensioner and drill it out to 1/2 inch, if you bracket has threads
and a tensioner already mounted here you can skip the next couple steps

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next you tap out both holes 1/2 threads on left and 1/4 pipe on right

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I found a 1/4 pipe adapter that fit and drilled out the center (5/16) to match the dimple in the tensioner

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I JB welded it in and cut off the extra

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using a 4 1/2 inch 1/2 inch bolt I secured the tensioner and ran a locking bolt on the back side then mounted the unit on the block

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the next step I had to turn to u tube for reclocking the head of the alternator to the correct location so the stud is not near the valve cover

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and that is as far as I got today....

I know this is old but here is my set up

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[Kran]

heres mine. 2 large case (dr37) 370 amp alternators from Singer Alternators. the dual bracket is through Singer as well. AC relocation not necessary with his kit. you can fit triples as well i believe. just for reference, in case some of you guys need the power but dont want to lose AC.

http://imgur.com/a/QmD4d