Quick Alternator Question

[mr_myko]

I have a 2004 ls v6 with a h/o custom built alternator, would this same alternator fit and work on a ls v8 2nd gen? I plan on buying a v8 2nd gen ls in the near future and was just wondering. So I could save money on not without having to buy another custom alternator.

 

[2002_lincolnLS]

2004 is a second gen

 

[joegr]

2004 is a second gen

I think that the question was about the possible difference between V6 and V8, both of 2nd gen.

 

[chris2523]

I have a 2004 ls v6 with a h/o custom built alternator, would this same alternator fit and work on a ls v8 2nd gen?

I think that the question was about the possible difference between V6 and V8, both of 2nd gen.

:iconcur:

 

[mr_myko]

yes that is the question would it work and fit on a 2nd gen ls v8?

 

[mrzeee]

v-6 and v-8 do NOT interchange different mounting

 

[FASTLLS]

The V8 one:

The V6 one (Bolts from the side):

 

[BlackLS06]

I hate where the alternator is at on the V8.

 

[mr_myko]

awww damn :Bang, i will have to buy another h/o output alternator when i get the v8 version of the ls, thanx for everybody who helped me out

 

[FASTLLS]

You got it..

 

[Villalta]

I hate where the alternator is at on the V8.

Doesn't it have to come out the bottom or something like that?

 

[FASTLLS]

It's on the bottom

 

[Villalta]

thats what i thought

 

[FASTLLS]

To check alt output, you need to put it on a lift and all this crap.. Other guys just open the hood and hook up the amp clamp.. lol

 

[gunzip]

does anyone know if the later model higher output alternators will 'bolt right in' to the older generation cars? My '02 ls is overheating at low speeds and i suspect hydraulic fan malfunction .; I am going to add an aftermarket electric fan but have been told the stock alternator is too wimpy to push one

 

[oddball]

To my limited knowledge, I think the Gen 1 and Gen 2 alternators had different signaling from the PCM. It's not just straight voltage reference like one would hope.

I've been running the Napa alternator with an overdrive pulley and the stock Gen 2 fan (which is a massive hog) without big problems. There is a definite voltage sag at idle, but everything is working OK.
I've had two defective DB alternators. Don't know if anyone has tried the motor city (something like that...) one.
Much more info in my alternator thread and my fan swap thread

 

[Andrizzle]

To check alt output, you need to put it on a lift and all this crap.. Other guys just open the hood and hook up the amp clamp.. lol

Yea I am so jealous of pretty much any GM car... They all have alts mounted up top with tons of clearance...

 

[chris2523]

Yea I am so jealous of pretty much any GM car... They all have alts mounted up top with tons of clearance...

so does my mark! LOL.
and im pretty sure so do ford windsor 302/351s.

 

[05 LS8]

so does my mark! LOL.

I gotta say that is one of the easiest things to swap out a Mark.
Couldn't say the same about the oil filter though.

 

[chris2523]

I gotta say that is one of the easiest things to swap out a Mark.
Couldn't say the same about the oil filter though.

Haha! you aint kidding.

 

[1LoudLS]

Yea I am so jealous of pretty much any GM car... They all have alts mounted up top with tons of clearance...

so does my mark!

no kidding, if it takes more than 20 min to swap out an alt on a mark, you need to sell your tools

 

[1LoudLS]

jesus, somebody is compensating for something with their sig picture :shifty:

 

[Ghaleon64]

One of the few things I miss about my 97 Mark... Belts, alternator, idler pulleys, all super easy to work with.

 

[1LoudLS]

they do however make up for how easy some thing are to do, with a bunch of other stuff that has to be maintained as well