Master Model A Mechanic Bob Guimarin on Zenith Carburetors
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- เผยแพร่เมื่อ 13 มิ.ย. 2020
- Ford Model A Master Mechanic Bob Guimarin on Zenith carburetors at the June 2020 Sonora A's tech seminar.
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December 1960 I had graduated from highschool and wanted a model A because my brother-in-law had one. I bought one in parts, the body didn't have a firewall or fuel tank. I got a new tank and by July I was driving it to work. I never had any trouble with it. It stayed on blòckß in a garage during college and I drove it in the summer. Wonderful memory.
Awesome
OUTSTANDING VIDEO! I just love these wonderful elder folks who share their lifetime of wisdom...
Yes, he is a treasure. I learn something new every time we do something together.
I didn't realize Bob was 90! Wow he looks good! Paul get this man in front of a camera talking as much as you can, he's truly a treasure, and once he's gone everything he knows leaves with him and is gone forever. Ha! Download his brain and save it!
92 now.
I'm sure he's forgotten more about model A's than most of us will ever know
You got to love this guy, he reminds me so much of my grandfather whom could fix any of those old cars and areo engines.
He's amazing
Awesome video great to have such knowledgeable friends Bob is unbelievably sharp
What a treasure to have someone like him to learn from!
Yes!
That's really fantastic getting to see a master ply his trade.
Love all of this; it's what I know how to do!
Subscribed! Thank you for all of your videos. Keep them coming
Thanks for the sub!
This is awesome! It's great to see Bob. I hope he is still doing OK.
I rebuilt hundreds of GM carburetors in the 70's and 80's while working for GM both computer controlled and pre computer controlled, but nothing like these. Thanks for the information 👍 and your time. Take care, Mike
Got my model A monday i dont know what carb is on it but in a junk box he gave me i found a beautiful complete Zenith-2 carb. Think ill clean it up and use it.
Excellent! Yep, you want that Zenith on there.
Bob's a national treasure, fo sho.
Fo sho!
Great show!
WOW he's 90 years old! I would never had guessed! Good on you Bob!!
He's 91 now.
I thought he was only 89
Great video, thanks for sharing.
It’s Such a shame that the experts masters and legends are getting old . A dying breed
About 20 years ago, I had a full frame off restored '36 Ford Tudor (all stock). So many people at the car shows told me it was a waste and not worth much. Everyone wants to cut, chop and make them into hot rods. We are losing part of our history and almost the only thing left are in museums. I want to buy a stock '30 Model A Pick up so that's why I'm watching him explain this and the history. Great video, thank you so much.
@@shawnn6926 Good for you! Too many guys out there ruining original cars to change them into crap sold in hop-up catalogs. You're a purist, so stand your ground and pass along that thinking for people to value cars that are in their original form.
Thank you, I enjoyed that
Glad you enjoyed it
Very interesting and informative video. I would have lives to hear how the guy at the end fix his fuel issue. I think I’m having a similar
Problem and that’s how I found your video. I’ll be checking out the rest of your Model A TH-cam videos.
Also what a set of working hands, huh? 90 years and still going strong. Thanks for posting.
He had a clogged fuel line. The fuel tank had some rust flakes in it and they were all stuck around the outlet and into the shutoff valve. I blew it out and it ran fine.
Thanks for the reply. That was my issue also. I thought I got it all out I will flush it again.
Pure awesomeness
Thank you!
You're welcome!
Hi Paul. Bob explain how to put together the Zenith carb. Perfectly. I'm working on a 1930 AA truck. When I took out the choke needle looks to me it was over tight because it had a endentation. At the tip.. Do you have the settings on this adjustment? Thank you Paul.
That needs to be "just snug" and no more. I sometimes leave them loose until after the carb is i stalled and THEN tighten the seat. Then, run the "needle" down to where it gets snug and back it off 1/4 turn. Then attach the choke rod.
As a new owner of a 31 my car has a Marvel Carb, which runs fine, but now its winter I've yet to master what it wants me to do with the Choke and the enrichment knob on it! It's all a bit hit n miss for a cold air starting!
My carb has ZENITH-1 stamped on it, is the -1 significant. I did an engine s/n check, it was built on 11/18/29. I have no idea if the carb is the original one. Are the worksheets available he is using, I did see a link. Dose he ever use carb cleaner and soak the parts.
Not significant. It only gives you an idea of who made it and when. Check the Judging Standards for details.
After taking my carburetor apart, I found there was some pitting on the Venturi. Should this be smooth? Should I replace it?
Should be smooth. Just sand it down smooth again and reinstall. No biggie.
Love your videos. How can I get a set of your handouts from this seminar?
We mailed out all we had many months ago. I asked my dad if he would reproduce some. Still waiting...
How about sand blasting the carb casting once everything ,jets,floats, has been removed
We do normally. Didn't here for time, and it was a club seminar. What do you do while the paint dries?
Bob, how did you get your shortened index finger on your right hand? Reminds me of my grandpa Henry....he had the same thing because of an axe when he was a little Schaefer...
@@ModelA oh wow 😮
You folks ever coat the inside of a gas tank with epoxy? Works pretty well to stop leaks in old tractor tanks to stop leaks at the mount fittings.
Only as a last resort
I detest tank sealer... I have a 1978 Harley that a previous owner used it in, but it started "flaking" and kept plugging the petcock screen so I finally had to find another set of used tanks!
Could you possibly post a link to the handouts that were used in this demonstration?
Sorry Ken. They are not published on the web.
Lots of those illustrations are on the MAFCA website - www.MAFCA.com. Another good source is Les Andrews' book Model A Mechanics Handbook
Gostei muito
I tried the Rustoleum Appliance paint. Gas wrinkled the paint! It's almost impossible to find good fuel-resistant paint, but I've had great results with Brodak Jet Black Airplane Dope. A small bottle will easily paint 2 carburetors. I bought it directly from Brodak since no local hobby shop carried it. They have a website; check them out.
good! all good? I need Spanish translation of the video. you help me ?
¿Quieres que traduzca el hillbilly de Bob de inglés a español? ¡Es como pedirle a una mofeta que deje de apestar!
Could I buy all the paperwork that was given to the people watching in the audience somehow? Thanks Paul
We don't have any more, Mark. Sorry about that.
Ok thank you Paul.
The troubleshooting chart Bob showed at the end of the presentation is real handy to have to help resolve carb problems. Get a copy here: modela.org/troubleshooting.pdf
He dislikes the repro jets. Are the ones from Berts any good?
yes
Don't trust any supplier! It won't hurt to Check the jets according to the chart to make sure they're the right length and orifice size!
Paul any chance you want to rebuild a carburetor for me?
Hi Jon. Several of the Model A parts suppliers offer Zenith carburetor rebuild service. Call Steve at Bert's Model A Store and see if he will exchange one for you. That's probably the quickest.
@@ModelA thank you sir!
I'm helping taking care of 90year young man that is VERY SMART I really enjoy this and my 90 year buddy work at Ford motor company in Louisville KY
That is awesome
This video proves to me that I don't have a chance in hell of getting it right. Then the problem is finding someone this good to do the work. What's the chances of that?
Chances are excellent. You can have your carb rebuilt to these standards by Bert's Model A in Colorado.
The smallest jet in the zenith A carb is .021", several times larger than a human hair.
I think he meant figuratively. He's 91 years old, cut him some slack please.
Bob doesn't look like he's even eighty yet ....
And he acts like he's 12...
@@ModelA me to Model A's are forever
A human hair is five thousands of an inch.
0.005. As an ex machinist I measured everything.....lol
Everything??
What kind of human hair??
N
O