MTFCA Forum

Mack: Don't cut open those tanks unless they are totally rusted out. Those '26-'27 cowl tanks are an endangered species. Good luck with your project, jb

Rich: OK, I will bite. It's 1.125 Trillion miles. Others may have more accurate data, please share.

I think another interesting 'fact' would be how many Model T miles, and Model T passenger miles were logged by year, 1908 to present.

Drive careful, jb

On my screen this appears like a Babbitt shmear on the inner surface a shell type bearing. The thrust end appears to me to be loose from the block, making it appear to me as Babbitt slathered on the inside of a shell. If this is the case, was the block over-bored to accommodate the additional thickn...

Thanks, Chris. There's more stuff there at this moment. jb

Dave: My original '26 coup does not have a seal on the top hinge, the visor apparently gives some protection keeping most water out. If anything were sandwiched between the hinge and body my windshield would not close, it's a tight fit as it is. best, jb

Check the tire size, the 26-27 with split rims should be 440/450-21 tires with the 21 referring to 21" Rim; the demountable, non-split (clincher) rims should have 30-3 or 30-3 1/2, with the 30 referring to 30" rim size. The two types of rims do not interchange, if the wheels on the car are split rim...

This might be of use, good luck, jb
https://www.mtfca.com/phpBB3/app.php/gallery/image/1124

These? https://www.modeltford.com/item/D-NAIL.aspx A ring shank drywall nail is "close", but not perfect either. jb

Is it April already???

Richard: I would not force that 4th main. Dan Hatch is practically giving rebabbited ones away, bored undersize to your specifications and no core charge. best, jb

Thanks Chris and others. I'll catch the movie when it comes out, best, jb

The zip tie application is a great idea! Thanks for posting that, jb

Mark: The original Ford round tube radiator on my '26 coupe sits 5/16" back from the front top edge of the tank. FWIW, jb

Max: Thanks for sharing, this is really good information, and a considerable effort to produce, well done. Were both engines running at similar engine temperature and rpm, and using same viscosity oil in the side by side comparisons? The retained oil on your screen was a surprise to me, but as noted...

Anton suggests' backing off the setting' to correct for the added length. I'd say this is fine for this application, and you note Anton is keeping the 'extension' in line with the torque wrench handle, doing so simplifies the correction calculation. With the 'extension' in line with the handle as sh...

Great article. Don't use windex-type cleaners on a silvered reflector, use a quality silver flatware cleaner and hand buff. jb

Works fine, it's a ghost town compared to this place though.

Here's the home page, doubt the address is your problem but this link worked fine, take care, jb

https://modeltfordfix.com/

Debris/junk in the intake will richen the mixture, like partial choke closure. If I were dealing with this problem, I'd first check fuel flow by opening the carb drain, and if flow is 'good', indicating adequate supply from tank, I'd still remove the carb and clean and check everything, confirm/corr...

Mark: Remove the gear and check gear bore and shaft fit, if that's loose, a new pin isn't the cure. Also check the shaft and gear holes with a new pin. If the shaft and gear bore fit is acceptable, but the pin is not tight in both gear and shaft, you need to ream out the holes and install an oversiz...

I agree with Dick, however, 'what you didn't do last' is important too, I'm still concerned valve function/dysfunction may not have been adequately addressed earlier. Good luck, Steve, you are a good sport in sharing all this and maintaining a sense of humor when people offer you $5 for you car. Ple...

The overall length is one inch, the unthreaded portion is 0.187" diameter x 0.575" in length, 1/4-28 thread as stated. The length is important, the unthreaded portion passes thru a .187"+ hole in one side of the overflow tube and presses against the inside of that tube against the inside of the drai...

The MTFCA new website is simply superb! Thanks for everyone's work in providing this update. jb

Small correction on the vendors' list, Classtique has moved from Lino Lakes, MN. Link and phone # is unchanged
Current address:
Classtique Upholstery, Inc.
30350 Akerson St.
Lindstrom, MN 55045

Don Booth has restored several '26-'27 coupes over the past few years. You will find his posts useful, here is one example giving the info you seek, Good luck, jb
http://www.mtfca.com/discus/messages/59 ... 1460655088

William: I assume yours is a FunProjects kit, referenced here: http://www.funprojects.com/products/5000RK.aspx The photo in the link shows a circular counterbore recess at the end of the channel to accommodate the carriage bolt head, your kit may not have that feature. I did a '26 kit some time back...

Susan: Are the cancelled/postponed museum events noted on the home page? It appears the homecoming announcement on the home page does not mention cancellation. Sorry to be a pain, I know you have plenty to do without people like me suggesting things. Thanks for all you do for our Model T community, ...

Good tips from Scott and others, thanks. My rant should have also stated that I'm thankful for the availability of these parts; the adjustment is more of an annoyance than anything, and a number of creative approaches have been offered. I've used everything from a $50,000.00 mechanical testing machi...

Why isn't the cushion spring gap set correctly and consistency by the manufacturer? I know, this is a rhetorical question, but making these things to spec isn't exactly rocket science ,,,,,. The need to adjust new parts with a hammer or vicegrip just seems wrong to me. Stay safe everyone, jb

Mike Bender has a good video demonstrating this technique. jb

Adrian: Bendix cover screw description (p/n 5059) is 14-24, not 1/4-24, these are NOT interchangeable as I noted earlier. I respectfully suggest the notes entry should reflect this fact, the #14 screw diameter is 0.242, not 15/64 (0.2344"). Again, not a criticism of your work, but I feel getting it ...

Thanks, Are the videos played in real time? Seems faster than ~30 mph. Of course I haven't driven anything is 2 weeks so my perspective may need recalibrating. Take care, jb

Scott: Thanks for sharing, I really enjoy you videos. How fast were you driving? Stay safe, jb

Worked fine for me??? jb

Thanks to everyone for organizing and participating in this important effort. Stay safe everyone, jb

Steven: IIRC, the original Ford specs on gear bore and axle diameter gave an interference range of 0.0005" to 0.0015", with a desired 'average' interference of 0.001". When I pressed good used Ford gears on Snyder's new axles, I measured just under 0.001" interference and it required under 2,000lbs ...

Dave: Take a look at the 'country' roads in Clark, Jackson, and Wood counties WI for starters. Every time I come 'home' to those places in WI I marvel that the dirt roads we drove in the 50's are now improved with some surface gravel, but still very little asphalt pavement. Drive careful, stay safe....

Peter's comment regarding Bendix cap screws p/n 5059, and FH brass magnet clamp machine screws p/n 3278 being 1/4-24 should have a footnote. Originally, 3278 was 14-24, new ring gears are 1/4-24, vendors offer both bolt types, they are not interchangeable. Bendix cap screws are 14-24, unless hogshea...

Thanks, Adrian

2584 and 2584B were both 16 TPI

Part number 2584B is 13/32-16, confirmed by Dan Hatch and others recently.

Would whomever completes/updates this list please post it on the Forum Information section for all to use? Thanks, jb

Terry: Here's my t-bay Model T Ford 'minus' list, Model T Ford -(rat, fits, aluminum, bucket, walker, 4 row, 3 row, 2 row, chevy). Just keep track of key words in the non-T descriptions and add them to the string of excluded key words. My criteria does risk excluding some legitimate sale items, like...

Model T pics.docx: (312.17 KiB) Downloaded 25 times

Not sure this worked?

A 20% mass reduction = x% reduction in strength? Have you calculated the value for x? Drive careful.

After rebuilding one mag ring and with a second one in progress, I absolutely and totally agree with John Kuehn! Not because rebuilding is so hard, time consuming, etc, it's not difficult, even somewhat therapeutic, and I learned a lot and have satisfaction of a successful project. However, professi...

Scott: That little question took a good bit of the edge off the angst of corona19, thanks. Actually if we make it thru this summer we will have completed our first 50 years together sharing the kitchen and stove. I got the Glyptal tip from Mark Fleishhacker (RIP) and I find that is excellent for thi...

KW: McMaster Carr Part number 7574A11 Silicone Adhesive Fiberglass heat rated to 500F. 0.007" thick. This is 1/2" wide and I split to 1/4", at the time I could not find 1/4" wide. The coil ribbon is 3/16 for my ring. I used the same 1/2 " wide fiberglass tape to wrap the finished coils. 10$ per mag ...

Sorry for the drift, here is a pic of a BASCO key, and a non model t switch. jb

Thanks, everyone. Must be a bunch of people hunkering down given the level of response to this mundane query. Stay safe, everybody. jb

Thanks, Herb, I had considered that too, maybe others will confirm its use. Stay safe, thanks, jb

I need to store some restored painted model T parts without damaging the new finish. These are rattle can enamel painted moldings, etc that are hanging and cluttering my limited heated area work space. I plan to use polyethylene bubble wrap and place wrapped parts in cardboard cartons and store the ...

Thanks for sharing, good information and photos. What is the recommended temperature of the cap/jig and of the Babbitt? thanks, jb

Jeff, Chris, et.al., thanks for your input. I'll repair the panel, prime and paint, skipping the 320 and finer sanding steps. I assume the metal that was visible was painted Channel Green, the same as the coupe body, and not Black? jb

Thanks, Jim. Covering with fabric will save a lot of body work on that pan, it's full of rust pits & holes which I'll fill rough sand and then paint before fabric. jb

Will one of you please tell me if the curved metal panel below the rear window and to the rear of the wood package tray shelf of the early '26 coupe was covered with upholstery fabric or was it painted? I know the wood shelf was upholstered but my very rusty tray panel has no evidence of fabric or p...

Check vendors for used horns if you need one sooner than later. Lang's supplied a used one for me and tested it before I paid them, I'm happy. jb

Your compression test saga/story is similar to this one written in 2012 by Bill Stephan. (There's much more info in the link.) How wide is the 'circle' of contact between the valve and the seat? With all the soot you've likely got in there, a wide contact surface is prone to fouling with resulting l...

From an earlier post by John Regan, in reference to the two capacitors shown in NealW's post: By John F. Regan on Tuesday, February 26, 2013 - 02:09 pm: ",,,,the capacitor that Snyder has pictured on his web site is the SBE type 418 cap and it is commonly called an "orange drop" capacitor and it is ...

Follow Scott's suggestions, and if you try needle bearing 'pins' from discarded modern u-joints, follow the same guidelines. Nails don't have enough carbon to be heat treated, common nails would be a last ditch and very temporary emergency fix. Drive Careful! jb

Great video, thanks for sharing. I never realized NYC had cable cars. jb

Jim: Here is a print of the bottom board, the one in front of the seat, from the Funprojects website. I suspect this one is the 'easiest' one to make. best, jb
http://www.funprojects.com/pdf/T1404B.pdf

Some modern replacement items are mentioned in the mtfca 'handbooks', but the info is buried in the text. Carb floats are mentioned in that publication, and I think generator bearings & seals in the starter/generator book, but those few are only a fraction of what others have already mentioned. A co...

Just check the vendors' catalogs to start, jb

Jac: Here's one randomly selected from t-bay.

https://www.ebay.com/itm/ORIGINAL-FORD- ... NMXmXea_mg
I have nothing to do with this vendor or product. Good luck, jb

Larry: Thanks for sharing that graph, and taking the time to make the measurements. Comparing the 'shaft movement' over the range of rotation, it appears to me there's up to 30% more band tightening motion with the new notches vs the original for the same amount of pedal travel (shaft rotation). ('T...

Postcard was mailed from Auburn, NY Nov 1911. The skids under the car appear to be split rails, secured to the car by a hay rope and worn thin at the rear of the car. Glad the driver got to tell the story in his postcard.

From the original post:

The HCCT Handbook will be available to ship starting March 1, 2020. Pre-ordering is available now by calling the MTFCA Business Office at 765-373-3106. It will be listed in the MTFCA Online Store March 1.

No, not necessary. If the Cap somehow needed electrical insulation, so would all the bare wires inside the potted assembly. If the rationale is that the Cap needs thermal protection from the hot tar, that .004" layer of fiberglass tape isn't going to do much. In addition to the electrical characteri...

Mike: The lid on my '26 coupe is 34 3/8" at the lower lip below the keyhole and 36 3/8" wide at the hinge point at top. Measuring along the curve of the lid sheet metal from upper to lower is roughly 37 3/4", which leads me to conclude the lid you have is for a coupe. There were no rumbleseat model ...

Tommy: I'm working on a '26 now, what do you need? Don Booth has posted on this subject a number of times on the forum, he helped me a bunch. Best, jb

The lugs appear to have been filed, maybe more than once, do the the plates still bear equally against all six lugs? It's tricky to hand file these to exactly match the plates. Not a criticism of your work, just something to consider, best, jb

Check the pedal notch fit with a new hogshead notch and go from there. Good luck to you,

There are a number of previous posts on the Forum, this one seems kind of neutral. I do not have a preference, best, jb
http://www.mtfca.com/cgi-bin/discus/sho ... ost=585188

I recall a post where a small diameter wire was laid in a circle in one of the mating surfaces to act as a shim and a liquid sealant applied to seal the joint. Not a recommendation, just an observation. If this was my T, I'd look for paper/cardstock of the desired thickness and try to trim a 'gasket...

Apologies for this diversion, but I wish to thank Ron for posting this helpful response. Ron has helped me personally with Model T electrical challenges and has shared his knowledge selflessly with the greater Model T community. Ron, I hope you continue to share your knowledge through this Forum. Re...

Congratulations, Steve. You're 'it', every poster on this thread has complied with your order!

From the table, Red oak and White oak have 71% and 75% the bending strength, respectively, of Hickory. Bending is the limiting strength in the kind of failure altair describes. Not a guarantee that Hickory would take that abuse but it would handle 25-29% more than Oak. jb

This topic has been discussed in previous threads which include some photos, not all of them great however. Here is one example: http://www.mtfca.com/discus/messages/506218/557770.html?1437802483 As stated above, hickory tool handles are good examples, if you can find a hardware store that sells hic...

I suspect it's a simple error, nothing sinister. I wouldn't worry about it. jb

Bob: Thanks for sharing. The 'modern' iron in those movies is nearly as interesting at all the Model T's. If I could offer a suggestion, it would be to include a note at the beginning of the flick giving date(s) and location of the footage. I grew up in the Midwest and likely visited some of the pla...

Luke: As Dan stated, only the bifurcated brass rivets should be used for transmission band linings. There are many forum and written references to best practices for transmission band renewal. Best,

Here's one that matches Rich's dimensions: http://asbbearingsonline.com/index.php? ... ts_id=1981

I have no connection to this company and cannot guarantee material spec's, etc, jb

Thanks Susan:

I'm looking forward to owning a copy. jb

Here's a used set of drums http://news.cornell.edu/stories/2020/01 ... ose-jan-31 The small chip in brake drum posed no problems to previous owner. I know these are '26, but obviously quality parts nonetheless. I have no affiliation with this seller. jb

This is a great event! We attended last year, met some nice people, took several rides on the vintage iron, enjoyed being outdoors on a beautiful crisp early spring day. Thank you Chad and all the others who welcomed visitors like us to your event! jb

For 24 pitch, one turn = 0.0417", 1/36 of a turn 0.001157" so yes, 10 degrees of rotation is just over one thou, if that is still the question, best,jb

Lang's has always 'done right' by me, great service and buying experiences similar to what others have posted. I have also had similar good service from other vendors, and I'm glad we have them. Recently I ordered body patch panels from Mac's on ebay, and that product and their service was exception...

Luke: Do you have the inductance values and corresponding rms current/HCCT current values for the coils after the coils were all set to fire at the same dwell time? If you do, would you mind sharing the data? Thanks, jb jab35(at)cornell(dot)edu

Luke: As always, I appreciate your efforts and continued sharing of info. IIRC, Voltage and inductance are involved in this process, so you may need to look at both values to better understand the effects of varied excitation voltage and possibly, coil to coil variability. For sure, inductance value...

Will these work? https://www.modeltford.com/item/5205BX.aspx

Carson: Welcome to the Forum. I think engine seizure is unlikely. Are you sure you don't have the car parked in gear, hand lever fully forward? If parked in neutral, the clutch could be jammed ( which I think is unlikely) jacking up one rear wheel and turning crank would help identify that, crank, e...

From the April 1928 Street Repaving photo:
“The area that doesn't have asphalt will be paved with granite, re-using the old blocks from the street, so that oil from parked cars won't ruin the asphalt.” Apparently the Model T was not the only car to leak oil.

Thanks for sharing the photos, jb

When I did mine I made an axle support using square tubing and some angle iron. I welded a plug in one end of the tube and welded an angle iron 'collar' around the outside of the open end, making the finished tube a couple inches shorter than the distance from the threaded end of the axle to the poi...

That article is excellent! Here's a summary article showing the phase diagram for various Alcohol, gasoline and water combinations. Saturation by water occurs at a water content roughly equal to 5% of the alcohol content, same as was observed in your reference. Good info, jb https://www.iea-amf.org/...

Steve: Are the 27 defenders the same 27 who correct grammar and spelling, etc? If so, I'd say you are doing well with this interested group of people who want the information and are also willing to spend their valuable time to make you a better writer. Keep the sparkplug posts coming! jb

Nice work and good results. First a question, is capacitor leakage important? and if so, how difficult to measure? I suspect the first 4 values for 4 new caps is indicative of the variation one will find in new parts. If the variation affects coil performance in a negative way, I suppose you could s...

This may be old news, Ethanol dissolves shellac and shellac was used to 'seal' the original mag coil wrapping and 'glue' it to the core. Gasoline can get into the crankcase (particularly at start-up/running rich in cold weather, flooded engine etc) and ethanol in that gasoline blend can attack the m...

Wow! Here we go again and in a large type font no less. For a short time I thought 2020 would be a better year for our Forum. FWIW, my Gilbert pendulum wall clock with 7 Day movement is accurate to within +/- one minute per week (compared to my Ironman wristwatch). I know that I should be checking i...

Thanks, Luke. I appreciate the offer to receive future data/results. Since you have only one coil, one thing you might consider is slightly adjusting your coil by making small adjustments in the lower bridge. (I do this without a hammer because I don't like pounding a coil in (or out of) the testing...

Luke, Matt, Chris: If you are going to incorporate rms current in your output, I'd suggest calculating it using the general equation shown in the video. If you can sample Current at known discrete time intervals during the coil firing event , your computer should be able to square that value and Rei...

Thanks, Luke: Not trying to make extra work, but the SDEV gives more info regarding consistency than range, but both are important. Range is obviously determined from the Hi-Lo values in the sample data. Range would be the same if you had one outlier value with others closely grouped or a scattered ...

Luke & John H: Thanks for your information. Regarding Variance and SDev, I feel if you give SDev that is sufficient, and preferable as the SDev is the square root of the Variance and all that could easily confuse us. Note the units on Variance would be (mSec Squared) so I'm not sure the reported val...

Luke: Nice work, thanks for sharing. IMHO, Mean, Range and SDev would be essential information. Another question I would like to explore concerns the Current and associated dwell time for firing each coil. This has never been presented in any comprehensive way to my knowledge. For example, if I set ...

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