Forum: Model A (1928-31)
Yesterday, 06:58 PM
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Replies: 25
Views: 1,570
Re: ARP head studs
Yes, this poses quite the predicament, if you apply torque high enough to start the deformation, you will more than likely cause a catastrophic failure. Then what do you do? I do the testing on the...
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Forum: Model A (1928-31)
Yesterday, 05:57 PM
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Replies: 20
Views: 1,368
Re: Rebuilt Model A Engine: What do I have?
Sure, it makes sense if you are a re-man business, bore to a single size on them all. Not so much when the supply of blocks is limited, and saving a motor is the priority. I have worked on race...
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Forum: Model A (1928-31)
Yesterday, 01:59 PM
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Replies: 25
Views: 1,570
Re: ARP head studs
Brent has asked the right question, for a stock motor no gain, in my opinion.
As for the others who have the tendency to increase power output it is optional.
If you look at the grade 8...
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Forum: Model A (1928-31)
01-25-2021, 07:58 PM
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Replies: 20
Views: 1,368
Re: Rebuilt Model A Engine: What do I have?
Kevin,
You make a point about the header, I don't know but the flywheel is full size.
I doubt it was "raced" in any event, disassembly is necessary.
I will note though, I have had a few motors...
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Forum: Model A (1928-31)
01-25-2021, 12:19 PM
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Replies: 25
Views: 1,570
Re: ARP head studs
I doubt that ARP will release a stud set for the Model "A", seriously there are bigger fish to fry. Also it should be noted that there are too many different heads available for the Mod"A", and will...
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Forum: Model A (1928-31)
01-24-2021, 10:08 PM
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Replies: 20
Views: 731
Re: 32 model b engine
Or just use 12 point nuts on the rods
I have seen too many hammer jobs
Appropriate for shade tree mechanics
John
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Forum: Model A (1928-31)
01-24-2021, 11:06 AM
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Replies: 20
Views: 731
Re: 32 model b engine
The "B" pan should be used, it should have clearance bosses for the rod nuts. The counterweights are of not consequence, a '32 probably does not have counterbalanced crank. The rear section of the...
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Forum: Model A (1928-31)
01-24-2021, 10:39 AM
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Replies: 15
Views: 575
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Forum: Model A (1928-31)
01-16-2021, 01:06 PM
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Replies: 23
Views: 1,300
Re: "Diamond engine"
That is a good question, I do not think so. Yep, pan drop is the only way to know.
I think time to ask Mr. B
John
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Forum: Model A (1928-31)
01-16-2021, 10:50 AM
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Replies: 23
Views: 1,300
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Forum: Model A (1928-31)
01-16-2021, 10:30 AM
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Replies: 28
Views: 1,089
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Forum: Model A (1928-31)
01-13-2021, 07:30 PM
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Replies: 28
Views: 1,089
Re: leaking head gasket?
Not that this is the problem, it is just an observation. Head stud torque drops for a couple reasons, gasket compression, stud/nut stretch or the threads in the block.
I suggest when making a...
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Forum: Model A (1928-31)
01-13-2021, 04:27 PM
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Replies: 28
Views: 1,089
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Forum: Model A (1928-31)
01-06-2021, 03:59 PM
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Replies: 9
Views: 714
Re: What should I expect
Not to worry, all the parts will be stopped on the road along with Bob when you catch up to him................
John
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Forum: Model A (1928-31)
01-02-2021, 01:04 PM
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Replies: 7
Views: 768
Re: My wide-bed
My Son and I visited Jim last week, as always a Big Smile and tall stories!
Fired up the pickup, it sounds really good. He just wouldn't let me drive it, He must know something I don't.
I am...
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Forum: Model A (1928-31)
12-31-2020, 12:39 PM
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Replies: 73
Views: 5,366
Re: Bone Stock or Modified?
Will we ever learn, History repeats itself over and over again.
I was doing some research on some old racers and found articles, same arguments as this thread back in the '90's. Brakes, Inserts,...
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Forum: Model A (1928-31)
12-28-2020, 04:33 PM
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Replies: 32
Views: 2,971
Re: Latest aluminum block.
Inquiring minds want to know the Block status, has the eagle landed?
Not that the Winfield information isn't interesting.........
John
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Forum: Model A (1928-31)
12-28-2020, 10:43 AM
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Replies: 19
Views: 914
Re: Using magnets instead of holes
Yes, I used a phone magnetic device to hold the GPS onto the dash.
It is DS taped to the GPS and the mag has an adjustable joint/ball to make the screen easier to read. Available on amazon for under...
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Forum: Model A (1928-31)
12-18-2020, 01:16 PM
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Replies: 19
Views: 1,273
Re: French Model A aluminum head
Interesting discussion about multi plug engines, some dyno testing has shown the Yapp Lion head likes just a bit of stagger between the firing of the plugs.
Brass era cars had multiple plugs, this...
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Forum: Model A (1928-31)
12-13-2020, 12:21 PM
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Replies: 25
Views: 1,573
Re: Diamond B question.
There are lots of issues with the crank flanges, mainly due to the slinger and resultant reduction of material where it needs to be.
Once you have seen a flange broken off the crank, and the lack of...
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Forum: Model A (1928-31)
12-01-2020, 09:03 PM
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Replies: 30
Views: 2,489
Re: Engine upgrade
[QUOTE=BRENT in 10-uh-C;1958259]No mention of natural thermosyphon water flow that overcomes the cavitation? No need to control the temperature with this system. The natural syphoning process...
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Forum: Model A (1928-31)
11-30-2020, 09:30 PM
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Replies: 73
Views: 5,366
Re: Bone Stock or Modified?
Chris may have hit on something here, back when the Model "A" was new, aftermarket parts were available. It wasn't un-common for a dealership to install an OHV head on one.
I can hear my Dad now...
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Forum: Model A (1928-31)
11-23-2020, 02:57 PM
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Replies: 30
Views: 2,489
Re: Engine upgrade
Or, just the fact that the cooling system is in-correctly designed.
Water pump scavenging the engine induces cavitation, thermostat missing to control temp and water flow.
just...
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Forum: Model A (1928-31)
11-22-2020, 02:06 PM
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Replies: 18
Views: 1,082
Re: Lightened Flywheel
Short answer is no, it has to do with the Moment of Inertia.
I short, the radius away from the center of rotation has more effect than just the overall weight.
It is a good question though, John
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Forum: Model A (1928-31)
11-22-2020, 11:21 AM
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Replies: 18
Views: 1,082
Re: Lightened Flywheel
The vibration, or sense of vibration can also be attributed to another factor.
The original flywheel was intended to assist in the inertia of the rotating assembly and provide low speed/rpm torque....
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