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'51 Chieftain


PhilAndrews

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On 1/28/2023 at 10:26 PM, PhilAndrews said:

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The heater motor finally quit. I ordered another one, in 12V flavor but while I'm waiting for that to come in I had a look inside this one.

One brush had shattered, the commutator showing a badly out of round burned section.

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So, for now I bought a couple of brushes, sized them to fit and put it all back together.

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It runs again. Should last until the new motor comes in.

 

Phil

nice, I bought a nos delco 12 volt blower motor and nos squirrel cage fan for my 1953 Chieftain blower assembly.2000319717_heaterblowermotor1.jpg.1ba57bec34e9eb14a4ccd86f66fc1a1f.jpg860027253_heaterblowermotor2.jpg.a4918ecf4a92a32ca5923723bf81942f.jpg

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  • 2 weeks later...
4 minutes ago, The 55er said:

The drums & shoes are different sizes. 1949-1954 Pontiacs (11" brakes) used 11"x2 1/4" shoes (left & top)  and the 1955-1958 Pontiacs (12" brakes) used 12"x2 1/4" shoes (right & bottom).

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Okay, they didn't do anything other than increase the diameter. Gotcha.

The listing I have here for '57 has 11x2¼ for the front and I was looking, that's what mine are....

Listing is wrong for the model. Works for me, the shoes should fit.

 

Thank you for taking the time to answer my questions.

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  • 2 weeks later...

A little more repair today.

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A while ago I had accidentally jetwashed the paint off this wheel trim, so I masked it up this afternoon after giving it a gentle key with 1500 grit paper.

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Nice and pretty red again.

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Defeats the point, but at least I know it's there.

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  • 3 weeks later...

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The car is getting driven everywhere. Weather's been nice for it, the gearbox has been mostly playing nice so the heavier oil has helped. I think a heavier grade yet for summertime should see it behave.

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Proof of it being enjoyed, rolled over 110,000 miles today. Due an oil change!

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A change of oil, a change of oil brands.

I had used Shell Rotella T4 before; that wasn't bad but would always shell of burning oil on deceleration.

I bought Mobil 1 Delvac this time and so far it's better than the T4, noticably quieter and much less in the way of burning oil smell.

My wife had followed me in her car; with my engine fully up to operating temperature, she said no smoke was visible from under the car (so minimal blow-by), and on deceleration no smoke from the tailpipe, only a light blue smell.

Under hard acceleration she said it started to smoke by the time I got to 45-50 mph, which is over 2500 rpm in 3rd gear. Normal, pale gray she said so the beginnings of all the fuel not burning. Should be better now, I've adjusted the ignition timing since then.

 

So, overall, quite impressed by this engine oil so far.

 

We'll see how it does in a thousand miles or so.

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1 hour ago, OrtonvilleBob said:

Phil, could you provide more information on that Mobil oil? I believe you mentioned in another post that it was 20w40 but I can find no Mobil oil listed anywhere with "Delvac" as part of the name in that weight. Thanks.

That's because it was late and my memory was doing silly things.

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It's 15W/40.

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  • 3 weeks later...
19 minutes ago, OrtonvilleBob said:

Phil, Nice find on the tachometer. I've added that one to my wish list. I have a question regarding the vacuum gauge. Do you have a snubber in the line to reduce fluctuations at idle?

I've had vehicles with vacuum gauges that needed it, but this one does not. It doesn't buzz or wobble. I've been impressed by it, actually.

 

Phil

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Went on a bit of a road trip.

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Backroads, where the car is happiest.

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Up onto the big roads to play in traffic, crossing the Mississippi river. That cleaned some carbon out, it's running quite nicely now. Averaged 13mpg, doing 45-55 the whole way.

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7 minutes ago, EmTee said:

What oil are you using?  Have you ever inspected the condition of the oil pump and pickup?

Delvac 15W/40. I haven't but the oil pressure is good. It's always had a bit of rod knock, ever since I've owned it. It does shut up once the pressure comes up.

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It might be worthwhile to try an aftermarket mechanical gauge just to corroborate/calibrate the gauge in the dash.  I'm using the same oil in my '38 Buick.  It does seem a bit heavier than the 10W-30 I had used before.  In my case, I didn't see a difference in hot oil pressure between the two.

 

Edited by EmTee
typo (see edit history)
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1 hour ago, EmTee said:

It might be worthwhile to try an aftermarket mechanical gauge just to corroborate/calibrate the gauge in the dash.  I'm using the same oil in my '38 Buick.  It does seem a bit heavier than the 10W-30 I had used before.  In my case, I didn't see a difference in hot oil pressure between the two.

 

I have and the dash gauge, while slow is accurate. 

Hot, at idle, I have about 15-20 psi oil pressure. Hot at cruise 35. Cold 40.

 

Phil

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  • 2 weeks later...
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  • 1 month later...

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Just been driving the heck out of the car. The more it's driven, the better it drives. 

Held 175-180F all the way regardless of speed; had it up to 65 for part of the way which is really motoring (3000rpm). 

Considering fitting an under-dash air-conditioning unit because man, driving in 105° summer heat is just plain warm. Sweaty. Yuk. 

You can see how hot it's been, my inspection sticker is peeling off the screen!

 

Phil

Edited by PhilAndrews (see edit history)
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10 hours ago, PhilAndrews said:

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Just been driving the heck out of the car. The more it's driven, the better it drives. 

Held 175-180F all the way regardless of speed; had it up to 65 for part of the way which is really motoring (3000rpm). 

Considering fitting an under-dash air-conditioning unit because man, driving in 105° summer heat is just plain warm. Sweaty. Yuk. 

You can see how hot it's been, my inspection sticker is peeling off the screen!

 

Phil

Imagine, the guys that designed and put that car together all those years ago. I'll bet none of them could imagine someone like you enjoying this car in 2023.

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20 hours ago, Pfeil said:

Imagine, the guys that designed and put that car together all those years ago. I'll bet none of them could imagine someone like you enjoying this car in 2023.

I would think that maybe they'd ponder if any of the cars would really last a long time- "modern" cars produced in mass volumes like these had only really been in production for about thirty years- certainly long enough to see a lot having gone to the scrap yard by then- the idea that they could be in use 70+ years on would be nothing but a pipedream.

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