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About DGTryon

  • Birthday 12/25/1938

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  1. The "63" says it is definitely a Northway engine. The typical McLaughlin has a compete Buick chasssis and engine (30 & 40 series). This McLaughlin has nothing in common with Buick. I know of one in Ontario that is restored. D Tryon
  2. The books that are available are all Buick for the engine and chassis. McLaughlin made the bodies, hence the dash is different, as are the wood top bows, top saddles and spare tire carrier.
  3. Looks to me like one of the venturi's is installed upside down. I believe the smooth side should be on top. Minor issue though overall. The dashpot only affects the A/F mixture for about 0.5 sec on an acceleration, similar to the acceleration pump on modern carburetors. The backfire problem is more likely an air valve spring adjusted too low (lean or too far out). This is not a sensitive adjustment, move it 1/2 turn increments and see what happens. I had a 32-57 that ran great with the original Marvel.
  4. Don't overlook spark timing. A retarded timing will case the same overheating issue. I have 3 of my old cars running up to 10 deg or more more advanced than spec. My 47 Pontiac would over heat at idle or in parades at very low speeds at 5- deg ambient. It now will idle forever and never overheat. Dramatic. Modern fuels with these low compression engines means the original spec is too low.
  5. Basic physics involved here. A carb designed for 3-5 psi fuel inlet pressure has a much smaller needle seat than one running on a vacuum tank (about 0.5 psi). Hence the vacuum tank cannot supply the high fuel demands.
  6. We have a big newsletter group that would be a big help to you. Contact me - Dean Tryon in NC, 919-562-4660 or dgtryon2516@gmail.com and I will fill you in. It focuses on teens Buicks with 200+ members asll over the world.
  7. From several carbs I have, the air valve (plate) is flat and rotates freely on the pin. I do not believe the factory soldered the attachment screws but staked the back side typically. The spring locating pin is critical as others have said. I would be happy to discuss further your questions on electric pumps and adjustments. My number is in the newsletters.
  8. Chris, If you send me your mailing address of full e-mail address, I can send you a newsletter we do for owners of 1915-18 Buick's and McLaughlin's. It is full of technical tips and interesting info and is pulished quarterly. Distribution is 175 members all over the world and has been going for over 13 years now. Cost is only $10 for 2 years for the e-mail version. I have an identical car to your 1916 so I'm sure we can help you. Dean Tryon - Editor DGTryon2516@gmail.com (NC)
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