Forum: Model A (1928-31)
12-04-2021, 12:20 PM
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Replies: 11
Views: 2,191
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Forum: Model A (1928-31)
12-01-2021, 01:14 PM
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Replies: 23
Views: 3,923
Re: Engine green
Brent,
Points well taken. What seems to be missing from all the wonderful Ford photos of the time are pictures from departments within the Rouge that were of lesser appeal to supporting Ford brand...
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Forum: Model A (1928-31)
12-01-2021, 10:58 AM
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Replies: 23
Views: 3,923
Re: Engine green
Keep in mind Henry used that green engine parts paint as a 'dump' for a lot of other leftover paint. The general green color shifted somewhat in several cycles during the production years.
What...
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Forum: Model A (1928-31)
11-12-2021, 04:03 PM
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Replies: 8
Views: 1,207
Re: Galvanizing a Brass Screw
Technically zinc will plate directly on electro-cleaned brass, but in some environments a secondary atmospheric reaction may cause a dark brown/blackening of the finish in a few months.
The best...
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Forum: Model A (1928-31)
10-11-2021, 12:36 PM
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Replies: 9
Views: 1,376
Re: Voltage regulator
You do not have an external field terminal on an A generator. If you removed the 3rd brush, drilled a hole through the case and wired an insulated terminal for connection to the regulator you could...
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Forum: Model A (1928-31)
08-28-2021, 12:40 PM
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Replies: 11
Views: 4,175
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Forum: Model A (1928-31)
08-15-2021, 11:54 AM
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Replies: 14
Views: 1,557
Re: help with vibrating mirror !
The mirror vibration problem also often occurs on modern cars when you replace a broken side mirror glass with a cheapo non-factory piece. WHY??-
Every object has what's called a 'period of...
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Forum: Model A (1928-31)
07-25-2021, 08:19 AM
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Replies: 12
Views: 1,554
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Forum: Model A (1928-31)
07-03-2021, 10:07 PM
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Replies: 8
Views: 1,360
Re: Tonight's Sorting Out Episode - Lighting
I hate to be the bearer of bad news, but this "fix" creates another, serious problem. The brighter lamp filament MUST be on the bottom and the dimmer one on the top. This makes the driving beam...
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Forum: Model A (1928-31)
06-16-2021, 06:46 PM
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Replies: 34
Views: 4,114
Re: Alternator Always Charging
I would respectfully disagree with that completely. The voltage ranges you spec apply to independent external chargers, not factory spec mechanical generator regulators or integrated regulation...
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Forum: Model A (1928-31)
06-16-2021, 09:26 AM
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Replies: 34
Views: 4,114
Re: Alternator Always Charging
The correct generator/alternator voltage for a wet cell vehicle battery is 7.15V, +or- 0.05V. This was the factory set point for generator regulators that came after the A era. Most old repair...
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Forum: Model A (1928-31)
05-31-2021, 09:41 AM
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Replies: 12
Views: 2,432
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Forum: Model A (1928-31)
05-15-2021, 10:26 AM
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Replies: 18
Views: 2,506
Re: LED Headli9ghts, 6v
The parabolic reflector in an A headlamp produces a parallel output beam to the back of the lens, which converts that to the correct driving beam pattern.
Parabolic reflectors re-fitted with...
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Forum: Model A (1928-31)
05-07-2021, 12:50 PM
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Replies: 20
Views: 3,703
Re: Cylinder head questions.
Rotary tumbling jacks. Used in foundries for post shakeout scale and core removal cleaning of castings. Rotary tumblers are also used when re-maning large castings. They should have been seen and...
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Forum: Model A (1928-31)
04-21-2021, 09:28 AM
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Replies: 12
Views: 2,603
Re: Volumetric Efficiency
Excellent question and of course the one-star bandit tagged it immediately for it's validity.
The VE becomes a valid quantitative data tool if you are working with a properly calibrated flow...
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Forum: Model A (1928-31)
04-18-2021, 02:04 PM
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Replies: 14
Views: 2,737
Re: Leaf springs and shocks
As to whether you want dampening of spring action to bias from 50/50 in favor either compression or rebound depends on your particular roadways. Do you have more bumps or more potholes?
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Forum: Model A (1928-31)
03-24-2021, 08:31 AM
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Replies: 13
Views: 2,507
Re: tube question
FWIW, tires and tubes were originally dusted with powdered mica, not talc! If you look at an old NOS tube you see a somewhat sparkly crystalline appearance to the dusting covering the tube. Talc...
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Forum: Model A (1928-31)
03-20-2021, 05:00 PM
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Replies: 36
Views: 5,754
Re: Is this normal wear? Aluminum cam gear
You are looking at plastic deformation. The cause is the inherent un-damped shock wave that traverses a crankshaft with no front harmonic balancer.
It is only visible because of the great...
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Forum: Model A (1928-31)
03-20-2021, 08:47 AM
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Replies: 15
Views: 1,824
Re: GAV Adjustment + Choke flood
Let's look beyond the carburetor.
1) Burned or worn exhaust valve seats will cause backfire.
2) Intermittent electrical connections will cause backfire by causing spark misses that pump...
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Forum: Model A (1928-31)
03-12-2021, 05:19 PM
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Replies: 10
Views: 1,646
Re: Oshkosh update 3/11/2021
No biggie. I don't go to Nationals to take bus tours, anyway. Now, if they cancelled happy hour, well, that's a whole 'nother story! See you in Oshkosh!
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Forum: Model A (1928-31)
02-24-2021, 11:48 AM
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Replies: 29
Views: 4,783
Re: Special inscription on cylinder block
The foundry trademark (today "Logo") on the block is definitely a stylized union of two Cyrillic letters, possibly producing a digraph or trigraph somewhat unrelated in pronunciation to the letters...
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Forum: Model A (1928-31)
02-23-2021, 08:35 AM
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Replies: 12
Views: 4,563
Re: Lake Ice Saw
1931 Bow-Tie
No need for blade guard. If injured apply ice.:eek:
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Forum: Model A (1928-31)
02-19-2021, 08:46 AM
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Replies: 10
Views: 1,338
Re: Fuel tank spark arrestor
No. Modern cars have a specific size restrictor hole for the nozzle with a metal flap that the nozzle pushes open. That permits the nozzle to discharge any accumulated static charge before pushing...
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Forum: Model A (1928-31)
02-15-2021, 10:17 AM
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Replies: 8
Views: 1,330
Re: Angled
Babbitt? When did you last drop the pan to check clearances? If the tube from the rear cap to a point below the pan's oil level is compromised or blocked you will get a lot of oil past that rear...
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Forum: Model A (1928-31)
02-12-2021, 11:34 AM
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Replies: 7
Views: 1,558
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