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Search: Posts Made By: ursus
Forum: Model A (1928-31) 08-10-2022, 06:17 PM
Replies: 21
Views: 707
Posted By ursus
Re: Gas gauge gaskets

I prefer to use a fuel resistant non-hardening sealant such as Permatex High Temp Thread Sealant.
Forum: Model A (1928-31) 08-03-2022, 01:29 PM
Replies: 4
Views: 329
Posted By ursus
Re: Cracked Clutch Fork

Tom, your second article mentions the following:

"The above photo shows two A7515-B forks with
the original 3/16 holes. Note there is ample
material to drill the holes out to 5/16

Your...
Forum: Model A (1928-31) 08-03-2022, 11:39 AM
Replies: 4
Views: 329
Posted By ursus
Cracked Clutch Fork

I need to replace a clutch fork that has failed because of a crack around the pin that holds it to the shaft. Is it possible to perform the replacement without having to pull the engine?

Also, I...
Forum: Model A (1928-31) 08-01-2022, 05:51 PM
Replies: 3
Views: 213
Posted By ursus
Re: Clutch Disc Dimension

So that's it! Now I see that there is a wave spring between the two friction plates that appears to flatten out under pressure so, with the pressure plate bolted down, the total thickness should be...
Forum: Model A (1928-31) 08-01-2022, 10:35 AM
Replies: 3
Views: 213
Posted By ursus
Clutch Disc Dimension

In researching for information on replacing the clutch plate and pressure plate I see multiple references to the original clutch plate as having a thickness of 0.340 inches.

I have two new US made...
Forum: Model A (1928-31) 07-20-2022, 02:16 PM
Replies: 39
Views: 1,389
Posted By ursus
Re: Valve Job??

I would start by pulling the manifolds and looking for evidence of water leakage in the exhaust valve pockets that would allow exhaust gases into the water jacket under pressure while running and...
Forum: Early V8 (1932-53) 07-16-2022, 12:47 PM
Replies: 11
Views: 397
Posted By ursus
Re: Clean out brake lines?

What should be used for cleaning DOT 5 (silicone type) fluid from brake lines if going back to DOT 3?
Forum: Model A (1928-31) 07-14-2022, 10:37 AM
Replies: 8
Views: 491
Posted By ursus
Re: Gas tank

It helps to know what year of tank. The 28-29 tanks will measure differently than those of 30-31 model years. Somewhere in the Fordbarn archives is an entry describing a measuring stick made of...
Forum: Model A (1928-31) 07-12-2022, 06:51 PM
Replies: 25
Views: 2,157
Posted By ursus
Re: Coil replacement

Positive ground and 6-volt systems went away about the same time back in the mid 1950's. Was Ford the only positive ground system at that point in time?
Forum: Model A (1928-31) 07-12-2022, 01:14 PM
Replies: 23
Views: 1,411
Posted By ursus
Re: Piston Height Above Deck

To satisfy my curiosity regarding my original question I dug out my menagerie of unused NORS pistons from such manufacturers as Sealed Power, Badger, Silvolite, Ohio Piston, Lynolite, and Perfect...
Forum: Model A (1928-31) 07-11-2022, 10:57 AM
Replies: 23
Views: 1,411
Posted By ursus
Re: Piston Height Above Deck

I don't have access to the Ford prints, but the figure of pistons at 0.03125 inches (1/32") above the deck on a stock engine has been reported here multiple times by folks like Terry Burtz, Purdy...
Forum: Model A (1928-31) 07-09-2022, 10:47 PM
Replies: 23
Views: 1,411
Posted By ursus
Piston Height Above Deck

I know that the Ford blueprints show a defined dimension by which the pistons protrude above the block deck but has this been maintained by any of the various piston manufacturers over time? In other...
Forum: Model A (1928-31) 07-03-2022, 07:05 PM
Replies: 13
Views: 953
Posted By ursus
Re: Model B carb on stock Model A

A big mistake that some folks make is to assume that the currently available aftermarket jets should be used to replace any original Zenith jets in an old carburetor. I have found that they tend to...
Forum: Model A (1928-31) 07-03-2022, 01:06 PM
Replies: 13
Views: 953
Posted By ursus
Re: Model B carb on stock Model A

Vince Falter's website has the facts on A and B carburetor jets:
https://www.fordgarage.com/pages/jetflowrates.htm

Interesting that the Model B carb jets are of lesser bore than that of the Model...
Forum: Model A (1928-31) 07-01-2022, 11:44 AM
Replies: 12
Views: 531
Posted By ursus
Re: model B piston clearance in the block

Regarding the quote from nkaminar in Post #7: "For pistons that are ground round (don't use these) the clearance is greater, perhaps 0.010"

I wonder what is wrong with concentric ground pistons? ...
Forum: Model A (1928-31) 06-21-2022, 10:08 PM
Replies: 26
Views: 2,873
Posted By ursus
Re: Engine Rebabbiting Service

Having seen babbitt poured and line bored, it isn't something that an inexperienced person could successfully pull off without many hours of practice following the up front investment in a couple...
Forum: Model A (1928-31) 06-21-2022, 06:59 PM
Replies: 26
Views: 2,873
Posted By ursus
Engine Rebabbiting Service

I noticed on the MAFCA site that Bill Barlow of Bend, Oregon has retired from rebabbiting Model A/B engines. As he had several helpers in this activity, has anybody taken this over from him? Bill...
Forum: Model A (1928-31) 06-11-2022, 02:23 PM
Replies: 7
Views: 403
Posted By ursus
Re: Rumble Seat Sheet Metal Question

The seat riser slides under the curved panel and the screws drop in from above. The hole locations are slightly countersunk to accommodate the oval screw heads. If you are using non-original sheet...
Forum: Model A (1928-31) 06-10-2022, 02:49 PM
Replies: 54
Views: 2,617
Posted By ursus
Re: WD40 as hand cleaner

There are also various products sold as "barrier creams", either for working with water based material or petroleum based material. I cannot remember the trade names for them but recall one sold as...
Forum: Model A (1928-31) 06-06-2022, 02:18 PM
Replies: 54
Views: 2,617
Posted By ursus
Re: WD40 as hand cleaner

Let's see, liver, kidneys, lungs, nervous system, etc,. etc., ...
Forum: Model A (1928-31) 06-03-2022, 05:32 PM
Replies: 20
Views: 1,277
Posted By ursus
Cool Re: Rear Main Bearing Janitor

I have to laugh about an old guy that once showed me his rear main "janitor". This consisted of a short tuna can that he had rigged up in such a manner as to allow the windage to tilt the can...
Forum: Model A (1928-31) 06-01-2022, 02:39 PM
Replies: 27
Views: 2,233
Posted By ursus
Re: Effect of too large point gap

Great idea! This will also tell you if there is any variation in cam lobe profiles.
Forum: Model A (1928-31) 05-30-2022, 11:52 PM
Replies: 82
Views: 5,134
Posted By ursus
Re: Model A shops

The Imperial system used in Britain was once subject to regional variations and this created problems at home and in the colonies especially as it allowed for all kinds of cheating by the British...
Forum: Model A (1928-31) 05-29-2022, 10:38 PM
Replies: 44
Views: 3,690
Posted By ursus
Re: This hobby is dieing

I agree completely. What got me interested in the Model A was that, growing up in the 50's and 60's, there were still folks that used the Model A as a daily driver and I saw them on a regular basis....
Forum: Model A (1928-31) 05-28-2022, 09:58 PM
Replies: 46
Views: 6,811
Posted By ursus
Re: Andalusite Blue

The flying red Pegasus was adopted in 1911 as the trademark of the Vacuum Oil Co. of South Africa, later acquired by Socony Oil Co. in 1931, which was later acquired by Mobil Oil Co.
Showing results 1 to 25 of 500

 
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