al1950

I have a 1950 303 with 2 bbl, plan to install 1953 olds 4bbl manifold and rochester. I need photos of 1953 heater hose routing / connections and photos if you can help me , thanks Allan

Andreas.Johansson

Hi Allan,

I have a all (close to..) stock 1953 Olds w 4bbl carb.
- Right fitting on element to water pump, added a extra shut of valve to be used in warm days..
- Left fitting on element to front fitting on heater valve
- Rear fitting on heater valve to intake manifold.
I guess its the correct way?
/ Andreas

al1950

thanks so much, just what I needed!!!
I will need the fitting at back of manifold, as mine is blocked off, not used on 1950.( if I understand it correctly)
need part name number for the piece that bits on to the rear of manifold on head. or c Loe up pic.
thanks again. Allan

Tedd Thompson

You shouldn't need a shutoff valve unless the one (Ranco Valve) under the dash is defective....... Tedd

al1950

yes , thanks Tedd

Ozzie

Here is the sketch for 1953 from the Oldsmobile Chassis Parts Book.


1953 Oldsmobile heater system (under hood)

al1950

thanks so much, perfect, Allan

al1950

I need the nipple part number 8.866 on diagram above, can any one help me on where to find one? I googled but no luck?

thanks Allan

Tedd Thompson

Not sure on a 53 but on a 55 that nipple is just a standard pipe fitting eater 3/8 or 1/2 inch nothing special.... Tedd

al1950

the 53 looks like a flanged fitting with 2 bolts onto the head and the nipple is part of flange, not screwed in? not sure,
looks like a special part and size, might have to fab one?
my 50 has the flange but it has no thread outlet, it is covering the water port and sealed off. it is used as a bracket for the spark plus wire routing.

thanks

Ozzie

There appears to be a bit of confusion. 8.866 is not the part number. It is the group number. Here is what the parts book shows for the 1950 & 1953 V-8 engines:
1949 & 1950 - 88 & 98 .........................elbow (90 degree)...........................part number 3125532
1951 thru 1956 All.................................nipple (1-1/2" long).........................part number 3133153
1953 thru 1956 All ................................nipple (6-1/4" long).........................part number 562995
The long nipple was probably the one used at the front of the engine with the short one used at the rear.
This "might" help the search. I don't know where to find one. The original one may have had the end modified to help keep the hose on, but as Tedd said a standard pipe nipple might do just as well with a good clamp. If necessary, improvise. Something like this should be able to be fabricated.

al1950

thanks all, looks like I will have to fab one, when I put the 4bbl on. it later,