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1755 motor in 88

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Jack Feller

05-21-2002 19:22:25

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I might be able to buy a 88 Oliver with a blown motor. I am wondering about putting a 310 gas in it. Would everything work out about putting it in the old 88. How much horsepower could I get out of it. I could probably beat any tractor with this tractor.

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TimC

05-22-2002 07:55:13

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Re: 1755 motor in 88 in reply to Jack Feller, 05-21-2002 19:22:25

It appears you are just bolting it in. The 1800 will bolt straight into the 88. The exhaust might exit in a differant location on the hood. That is all i know.

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Dano

05-21-2002 20:46:28

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Re: 1755 motor in 88 in reply to Jack Feller, 05-21-2002 19:22:25

Here's some stuff I looked up on YT from past postings.Make what you will of it:A head from a 1750 will bolt onto the block of a 77. The back two bolt holes in the head will have to be elongated to match the bolt location in the block. (asuming the 77 and 1750 have the same relationship as the 88 and 1850, which I have worked with before.) The intake and exhaust valves in cylinders 2 and 5 will have to be reversed from their original position in order for them to fuction as they should. This would require a machine shop. In other words if you just bolt the head on and run it (it WILL run) the intake valve will act as an exhaust valve and the exhaust valve will act as an intake valve on numbers 2 and 5. Switching cam AND lifters from the 1750 will correct this problem however. As far as bolting in a larger engine, it will bolt in and work fine. Just keep the clutch and pressure plate and maybe even the flywheel from the 77 so the transmission input shaft will still fit the tractor/engine combo. I happen to have stumbled across (and bought)an 88 that has had a 77 engine installed and EVERYTHING bolted up correctly from frame holes to trans shaft. The input shaft required cutting and lengthening, but that "ain't no hill for a climber" as the saying goes. The fuel tank supports required 2 short shims but that is about all. I have checked the bolt hole position in the frames of my Olivers enough times to know there are no frame or engine modifications needed to transplant engines from one tractor series to another. A friend of mine has the engine from a Massey Ferguson 1100 transplanted into his Oliver 77. The only problem he had was the oil pan was shaped differently from the Oliver pan and he had to replace it with one from an 88.

The 1750 head and bolt pattern is the same as an 1850 gas. The head will not fit on a 77 block. The length of the blocks are different and so are the cylinder hole patterns. This is a fact.
The only cylinder pattern that was the same as the 77 was a S77,770,1550, and 1555. There may be others out there but they were not made for Oliver or White. They would have to come from waukesha.
You can however bolt that head onto a 88 with some changes to the bolt pattern and yes as you stated, the holes in the back of the head depending on what year and style 12 port head you are using.
Yes, the 88,99,1650 etc. engines will fit in a 77 but the bolt holes are very slightly different. I have done it myself, I do know. The position of the fan/water pump also creates a problem with hitting the radiator without moving it from its original position. There are a number of things that will change when this change is made. It is not a direct drop in as you stated.

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