Hi, is the Hub (red rectangle on pic) on the sheet actually the fan spacer ?

If so, #399394 for all model ? Does somebody know the lenght of this spacer (for 71 442 445 No AC or HD cooling).

Thanks

 

Hi again, sorry did find the spacer number on another page, see pic below.

But I wonder which one was used with 5.57" water pump number 408329 (HD cooling ?).... spacer# 403635 or 405023, for a 71 442, description is a bit confusing.

Thanks

 

On 71 442s, the 5.5" pump was only available on the W-30. The standard pump was 5.1". A/C cars or Y72 (heavy duty cool/generator) got the 6" pump. The 5.5" W-30 pump was not used with a spacer, t

hey were coupled with a fan clutch.
Not sure what you are building. Here is the page from the 71 Assembly manual showing spacer part numbers.

 

Thanks for the spacer details, I'm actually trying to put the cooling system back to stock condition, the 5.5" pump was already on the
engine with the appropriate water pump pulley. The pump is not leaking but pretty old. Actually the engine is a 1970 but with the 1971 pump. (I presume with 1 3/4" dia inlet)
Will change the radiator that will have 1 3/4" output at bottom, so I think it would be better to have a 1970 5.1" pump with the 2" dia inlet for correct bottom hose connection right ?. But again will need the pulley
for that 5.1 " water pump....any advice ?

Thanks

 

Yes, the 5.1" pump uses a different water pump pulley than the 5.5" pump. You are correct matching the water pump and radiator. Here are the pulleys for 1970, taken from the Assembly Manual. Good luck.

Don W

 

Thanks, I didn't have your first pic in my collection, would you happen to have the same page (1st pic) but for the 1971 ?

 

 

If you decide to sell the 5.5" water pump or KM pulley I would be interested in buying or trading. Good luck with your project.

Don W

 

Thanks and ok your first on my list for the pulley and water pump. Will do some test this spring and see.
Would you have a pic of page 93 for the 71 ? , I only have page 92
Thank you

 

I do not have page 93. Is there something in particular you are looking for?

Don W

 

Just wanted that page to complete page 92, like the page 93 of year 70 with HD generator and HD cooling and with power steering, if of course it exist with other pulley comination, but it's ok anyway.

Thanks

 

You may already have this part but I have a very nice condition 403635 spacer if you're in need of one.

 

I think I've been through this exercise sometime previously helping another member. My eyes are getting real tired/blurry at the moment & it's late. None-the-less, I think they just rearranged images (maybe shifted information) between 1970 & 1971 so Page 93 of the 1970 PIM is contained on Page 92 of the 1971 PIM.

 

Thanks for the info

 

Thanks for the offer, well if I put the 5.1" stock lenght pump, I thought I needed spacer #405023, which I have, but not sure,
the listing confuse me a bit, F85, C.A.C, can you help me on that ? Thanks a lot. 455 no ac, no HD cool, in a 1971 442 (70 engine)

 

Can someone explain C.A.C in the list and is F85 include 442 ?

Thanks

 

C.O.C. or C.A.C.? C.A.C = Car Air Conditioning

 

The Oldsmobile 4-4-2 was a separate model/series between 1968 & 1971 - distinct from the F-85 model/series. Perhaps, more to the point, your vehicle (4-4-2) uses spacer Part No. 405023.
F-85 is not included in 4-4-2 & the converse is true, 4-4-2 is not included in F-85.

 

From the 1971 & 1972 Oldsmobile Product Information Manuals. NOTE: The 4-4-2 became an optional package in 1972 (note the distinction in model/series nomenclature) i.e. no longer a separate model/series.



1971 PIM




1972 PIM

 

Sorry it's C.A.C

 

Thanks Vintage Chief for all your answers,

 

About that spacer, I will use it with stock 4 blades fan and a water pump that is 1/2" longer than stock (5.6"), Do you think the 1/2" closer to the rad will affect the cooling ?

Thanks again

 

I don't have enough experience to assist you w/ your question. There are other members w/ far more experience working with various water pumps/configurations. I know of several, wait & it's likely one of the members will be able to assist & answer that question.

 

Ok I'll do,
thanks for your time.