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LH and LX Bosch alternators. (Rivet counters please)


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#1 Shiney005

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Posted 08 August 2019 - 01:32 PM

I am trying to collate all of the info on the forum on Holden alternators into one thread.  There is no shortage of info on the LC and LJ Toranas, (although not all of it can be correct) but I can't find much at all on the bigger cars.

First of all, I cannot find any proof that any Torana built after Jan 1974 has ever been fitted with a Lucas alternator, even though they are in the parts books and workshop manuals. This flies in the face of a few "elderly" gentlemen that I have contacted who seem to remember them on L34's and other early LH's. My L34 has a Bosch, but it is missing the 3 inch pulley so it may have been replaced. Eyepeeler's has a Bosch with the (very rare) original pulley.

So if anyone can provide proof of a Lucas being factory fitted then please post it up.

 

I am also chasing part numbers from original Bosch alternators. At this stage of my investigations, I believe that early 1974 should be around 9 120 060 805 (55amp) and October 1975 is 9 120 060 847 (40amp), which also runs into 1976.

 

It would be great to get confirmation and photos of alternators fitted to A9X, UC (inc 4 cyl) and all models in the LH-LX range.

 

Cheers guys.

 

Attached File  Hanras original Bosch with 85 amp internals. October 75 build 1 (1).jpg   80.23K   1 downloads

 



#2 hanra

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Posted 08 August 2019 - 01:42 PM

Interesting.

 

 

Attached Files


Edited by hanra, 08 August 2019 - 01:44 PM.


#3 hanra

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Posted 08 August 2019 - 02:08 PM

Dosnt look like 14V40A22 was listed. 

Attached Files


Edited by hanra, 08 August 2019 - 02:09 PM.


#4 grumpy xu1

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Posted 08 August 2019 - 06:46 PM

By memory, out of the 6 or 7 lc, lj lh & lx's we've had, i think only a 73 lj, was a lucas, but my brother had a HX & I've got a feeling it may of had a lucas, I'm pretty sure it had something lucas (may have been the starter), as Dad used to hate the lucas parts, & they used to get a new home at the tip, other family gmh's were all bosch i think. Gary.

#5 Shiney005

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Posted 08 August 2019 - 07:47 PM

Brad, I have yet to see a Bosch alternator that was made post HG Holden that was rated at 35 amps.  I reckon there is some old info in the manuals.

I do agree however that the HQ external reg alternator is the same as the internal reg in the LH, apart from the fact that early HQ had a sticker with the part number, rather than have it stamped into the housing.

H.Q. below.

 

Attached File  Bosch Bedford and HQ 6 cyl and HQ 8 cyl external regulator. No part number on housing..jpg   62.78K   5 downloads

 

Grumpy, from what I have seen, the big Holden's seemed to have a mixture of the two. Not sure if all were externally regulated.

 



#6 torana74

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Posted 11 August 2019 - 07:37 PM

I've never seen a 55amp factory fit on a torana.  Infact 35 bosch or lucas has been it. No 40's.(or i treated the 40's as 35'sand can't remember) The only ones that *might*  have had a 55 in my opinion would be factory A/C  cars,,,  and poss A9X  due  to load.  Heck VH commodores without air had 35's. and they carried the  sometimes Bosch ,sometimes lucas tradition.  Same with starters.  Both brands removed from original vehicles.


Edited by torana74, 11 August 2019 - 07:39 PM.


#7 torana74

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Posted 11 August 2019 - 07:42 PM

Also in that first 40amp pic, that stator is not off an orig 40amp.or 55 etc . 



#8 S pack

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Posted 11 August 2019 - 10:29 PM

Brad, I have yet to see a Bosch alternator that was made post HG Holden that was rated at 35 amps.  I reckon there is some old info in the manuals.

I do agree however that the HQ external reg alternator is the same as the internal reg in the LH, apart from the fact that early HQ had a sticker with the part number, rather than have it stamped into the housing.

H.Q. below.

 

attachicon.gifBosch Bedford and HQ 6 cyl and HQ 8 cyl external regulator. No part number on housing..jpg

 

Grumpy, from what I have seen, the big Holden's seemed to have a mixture of the two. Not sure if all were externally regulated.

HQ production changed to a mix of external & internal reg alternators at the same time as LJ Torana. By 1973 all LJ & HQ production was fitted with internal reg units.


Edited by S pack, 11 August 2019 - 10:30 PM.


#9 hanra

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Posted 12 August 2019 - 07:04 AM

Also in that first 40amp pic, that stator is not off an orig 40amp.or 55 etc .


Well spotted. It’s had a modern Bosch alternator fitted to the old case.

#10 Shiney005

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Posted 12 August 2019 - 02:20 PM

I've never seen a 55amp factory fit on a torana.  Infact 35 bosch or lucas has been it. No 40's.(or i treated the 40's as 35'sand can't remember)

I haven't even been able to find a picture of a 35 amp Bosch with the part number stamped into the housing.  It is obviously not a part that anybody felt was worth documenting.  Who owns the "new" A9X now that Andy has sold it? I believe it is over east somewhere.



#11 Shiney005

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Posted 12 August 2019 - 02:39 PM

I knew I had some photos of it somewhere.

Looks like a 55 amp Bosch.

 

Attached File  New A9X.JPG   113.08K   2 downloads

 

Did they all have the glass fuse?

 

Attached File  New A9X a.JPG   81.73K   1 downloads






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