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Griffin Model G carb, Pat. July 27, 1915

Old Marine Engine » Carburetors, Mixers, Vaporizors » Griffin Model G carb, Pat. July 27, 1915 « Previous Next »

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searcher
New member
Username: searcher

Post Number: 1
Registered: 10-2004
Posted on Wednesday, October 27, 2004 - 10:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I purchased a 2 1/2 hp Detroit Engine Works marine engine. Being new at the hobby, I did not realize until I got the engine home that the Griffin carb had been literally 'stuck' on the engine and did not belong there. What brands of engines did use the Griffin carb? What brand, type, and size of carb or mixing valve did Detroit Engine Works use on these engines?
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richarddurgee
Senior Member
Username: richarddurgee

Post Number: 588
Registered: 11-2001


Posted on Thursday, October 28, 2004 - 08:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

searcher, The Old Maine Engs that were made in late 1890's and early 1900's used mixing valves,
This is from a 1913 Detroit hand book.

D1

D2

As carburetors came into usage some co's offered both, this is same Detroit 1913 hand book, and says That this float feed carburetor is furnished with our engines!


D3

Could you post a Photo of your Griffin or e-mail to me and I'll post it here, I don't have info on these carbs.
oceanblu@adelphia.net
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richarddurgee
Senior Member
Username: richarddurgee

Post Number: 589
Registered: 11-2001


Posted on Friday, October 29, 2004 - 09:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Photos of "Griffin Carburetor"

G1

G2

G3

G4

G5

G6
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John William Biggs
New member
Username: john_biggs

Post Number: 1
Registered: 12-2006
Posted on Sunday, December 17, 2006 - 05:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I have a Griffin Model G which came with the 1908 Ford Model S car I am restoring.

Can anybody give me advice on setting up the carb?

Are any instructions available?

Thanks. John Biggs
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Paul Gray
Advanced Member
Username: paulgray

Post Number: 39
Registered: 05-2003
Posted on Monday, December 18, 2006 - 05:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Any of these carbs where the throttle lever overhangs the flange where the carb is bolted to the manifold is probably an accessory for a Model T. There were at least a dozen of these manufacturers who touted them as being more efficient or offering better performance over the Holley NH or Kingston L4. Both of these were single jet carbs with the L4 having a flap to vary the venturi area versus rpm. Some of the designs of these accessory carbs are quite clever, but they were probably no better than the stock carb. I have even seen some Schebler or Wheeler-Scheblers with separate idle and high speed circuits as well as provision to dump in more fuel under hard acceleration (a la throttle pump). Your Griffin is probably one of these with lo/hi speed circuits. Pretty straightforward, just make sure the float assembly is operational, all the passages are clear, open both needles ~1/2-3/4 turn and try it out. Once you get the engine running, you can play with the lo jet at idle and then the hi as you rev the engine. Basically it is similar in design to an 70's Briggs+Stratton lawnmower engine with lo-hi jets. Hope this helps.

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