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Minni Motor

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Ron

06-26-2000 07:19:20

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I need some information on building a big Minni Motor. I have acquired a 800 motor to use the heads and blocks. It is my understanding that I need a different crankcase and crankshaft for the lower end. I intend to bore the motor to 5.5 and stroke it to 7.5 to obtain 1068 CI. Any and all information on the project would be appreciated. Pistons, rods, correct camshaft lift and duration,
carburator, or any other info about the project would be appreciated. Is there a 600 stationary motor for the lower end?
Thanks for the help. Ron

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Matt

06-26-2000 09:51:03

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Re: Minni Motor in reply to Ron , 06-26-2000 07:19:20

MM made a 800 and a HD800 (5 3/16 x 6). Both motors are about the same except the heads. The HD800 has better heads (10A4227, 4228, or 4229). The differents are the valves and ports and about 100HP more.

MM made two different size rear flanges on the six cylinder motors. The small flange was use on the G1000 504cid (4 5/8 x 5) motors. The large flange was used on the GB Diesel and GVI 425cid (4 1/4 x 5). The G705 706 707 and 708 with 504cid (4 5/8 x 5) also used the large flange.
The 605cid (4 5/8 x 6), 800 and HD800 power units had the large rear flange.
All crankshafts have the same size main bearings EXCEPT the 800 and HD800.

If you are going to pull a G1000, you will need to use the small flange crankcase. You can bolt in the 605 crankshaft to get the 6" (or more)stroke. You will also have to cut the top of the crankcase out for the bigger sleeves.

If you are going to run a GVI or G705, you can bolt the 800 right in. Only a few small problem to work thru. The 800-HD800 has a heaver crankshaft and rods. The HD800 stock is about 250 horsepower.

Matt
Motec Engineering

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Ron

06-26-2000 10:42:12

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Re: Re: Minni Motor in reply to Matt, 06-26-2000 09:51:03

Matt: Thanks for the info.
The tractor I am building the motor for is a Massy 95. It is my understanding under the sheet metal is a Minnie GIV. This being the case, sounds like I need to find a 605 Power Unit, use the crankcase, after it has been machined out, a 605 crankshaft, stroked to the 7.5" and all should bolt in the 95. Do you agree?
If we can talk about this, call me at 1-800-873-7768. Once again, Thanks.. Ron

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John McLucas

06-28-2000 18:45:38

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Re: Re: Re: Minni Motor in reply to Ron , 06-26-2000 10:42:12

Ron,
The Massey 95 and the Massey 95 Super are actually two different Molines. Here is what I have been told. John

MF95 = Minneapolis Moline GB Diesel

MF95 Super = Minneapolis Moline GVI

MF97 = Minneapolis Moline G705 and G706 (705 is 2WD amd 706 is 4WD)

MF98 = Oliver 990

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