35 radiator hoses

rgtharley

rgtharley

Senior Member
Well, after three years of plugging away, finally the 35 Tudor fires up and idles just like it's supposed to. After fiddling with the timing and getting it so far off, besides having some plug wire arcing, I sent the distributor back to Skip, and he re-set it where it should be. I put new wires on (even though the other wires were new, there was a lot of mis firing going on), and hit the button this morning, and waa laa! It runs and idles, and sounds great. I've only run it for a few minutes at a time, since I don't have the radiator hooked up yet. The question I have is, I put a 37 motor in the car, which has center outlets on the heads. I remember JM35 telling me there is a hose available somewhere to run the original 35 big tank radiator, and later heads with the center outlets. He talked about it like it was a molded type hose. I tried texting him, but I guess he is still on the road in his 35, and can't put down his IPAD long enough to text me back while he is driving. Anyway, does anyone know what this hose application may be? I could just buy a long flexible type radiator hose, but I would prefer a molded one.

And lastly, I'm not seeing anything on my oil pressure gauge when the engine is running. Don't know if the gauge may be suspect, or the sending unit. Any advice, like should I use the other oil pressure port on the block and put a mechanical gauge in to see if I really have oil pressure? ( the engine was alledgedly rebuilt back in the late 40s, and had new pistons, some new valves, and was in a JOBLOT crate, and I was told it was a military refurb. It was painted OD green all over. It sounds great so far)

Thanks for all and any help and advice. I don't think I would have ever gotten this far with all the Barner's help for the last couple of years!!
Happy 4th everyone!

Bob T
 
Bob, I did a search here and found what you need. The one piece hose is NAPA NBH7964/Gates 21253. I sent you a text message on this as well.

NOTE...this upper hose works well on '35-'36 passenger cars with a stock radiator, that have been converted to the later '37-'48 flathead engines, with center outlet heads. Lawson Cox reported years ago that this hose will not work on some of the '35-'36 commercial vehicles (ie pickups) that have been fitted with later engines.
 
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I got the Gates 21253 and it didn't work for me. One end is 2" ID and the other end is 1 3/4" ID. So I would have to shim it on the cylinder head outlet to make it fit tight.

Also it came up short of reaching the radiator. To be fair, this is a pickup and I don't have the cab mounted yet so the radiator is somewhat flexible front-to-rear without the support rods on it, but I would have to lean it back so far to reach the hoses that it would hit the fan.

I ended up getting a chrome pipe kit from Summit and just cutting off the ends of the 21253 hose, then shortening the chrome pipe and crimping a ridge in the end to help it seal. I should have them installed next week and will try to remember to take a picture.
 
Mine and Im sure a few others does the same thing regarding oil pressure, fine until the oil is hot then the pressure falls away. most are saying its more about oil flow rather than pressure. I have had no problems..
 
rgtharley said:
And lastly, I'm not seeing anything on my oil pressure gauge when the engine is running. Don't know if the gauge may be suspect, or the sending unit. Any advice, like should I use the other oil pressure port on the block and put a mechanical gauge in to see if I really have oil pressure? ( the engine was alledgedly rebuilt back in the late 40s, and had new pistons, some new valves, and was in a JOBLOT crate, and I was told it was a military refurb. It was painted OD green all over. It sounds great so far)

Thanks for all and any help and advice. I don't think I would have ever gotten this far with all the Barner's help for the last couple of years!!
Happy 4th everyone!

Bob T
Click to expand...

I don't know Bob........if it were me, for piece of mind, I'd be putting a mechanical oil pressure gauge on there. You should be showing some oil pressure, at least at cold start up. I had a 59ab once that showed zero after warm up, at idle (stock gauge) but ran great.
Joe
 
yep, use the other port for mechanical gauge....and your engine might not be broken in, so don't run it too much until you can drive it??.....good luck and congrats on getting it going....Mike
 
Here's a picture from an earlier Fordbarn post (probably by one of the above posters?). Sure looks like 21253 fits nicely in a '35.
 

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Thanks guys!! I went looking for the 21253 hoses today, but no one had them in stock. Must be popular for other vehicles too. I found a hose at Advance auto parts that was 1 3/4" on both ends, and is just a little too long, so in desperation, and the fact that I want to drive the car, I bought two, and I'm going to cut out the center section and use a 6" sleeve of stainless steel tubing to join them. I realize I am adding four more joints, but it is the quickest way to get on the road, until I find the 21253, or another subsitute. I guess I was unsure about the 2" end, and wasn't aware that NAPA had reducers. I'll post some pics tomorrow with the hose number.
On the oil pressure issue, I found a cheap mechanical gauge, and all I have to do now, is remove the vertical oil fitting plug, which so far is resisting my efforts to get it out. I had to stop for the night because there were more bugs in the engine compartment than in the surrounding five yards!
Thanks for everyone's help on this issue, and what I meant to say in the beginning of the post was, I never would have gotten this far WITHOUT everyone's help!!!
Nice motor there, Jim1920!!
It really does feel great to hit the button and hear the motor run !!

Bob T
 
Just a follow up to this thread, and thanks again to those who offered their opinions and help. I found a molded hose that was a few inches too long, cut the center out, and installed two aluminum tubes to bridge the hoses. It was 90 degrees out this Saturday, and I took my maiden drive with the car. Temp stayed just above the half way point on the original gauge, (just rebuilt by Roy Martin). Car runs unbelieveably great!! Starter barely makes a revolution before the engine is running. Idles smooth, and accelerates very well. I couldn't be happier!! Going to install the hoods, and take it the National Capitol Region Chapter car show this coming Sunday in Brookville, MD!!! Under it's own power!!

WOO HOO!!
Bob T
 

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Ken...Thanks for the info. The inner filter is from my local NAPA store and I didn't bother looking to see where it was made (probably China).
 
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