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Farmalls with Caddy engines

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Mike M

02-23-2006 10:23:44

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Was looking through the ads of a local farm paper today and noticed a couple different ones that were selling Farmalls M and H models with 500 ci Caddy Engines. I'm thinking why Caddy ? Do they bolt up easier or something ? I'd think 460 Fords would be more plentifull or 454 Chevys ?

Anyone have any first hand experience with these conversions ?

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John (MO)

02-23-2006 12:57:39

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

I don't know about the older ones, but the northstar engine is a dandy. Never seen one in a tractor, but they couldn't help but be sweet. I'd even stop and look at one of those greenass, I mean green grass, John Deeres if someone stuffed a Caddy under her bonnet.

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Mike M

02-23-2006 18:31:20

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Re: Farmalls with Caddy engines in reply to John (MO), 02-23-2006 12:57:39

If you were a Caddy tech. I bet you would soon hate the northstar. Not to mention GM says that adding 1 qt. of oil in 1,000 mi is "normal" Still a debate on if this is from the leaks or burning it ?

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John (MO)

02-24-2006 05:27:12

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 18:31:20

Put a lot of miles on 2 different northstars. Never added a drop of oil between changes. Never did anything but tune ups, belts and hoses. First one had 180,000 on it when I sold it. Still see it around town and assume it's doing fine. Other GM engines seemed to always need a new cam before the rest of the car needed to be put down.

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Old Pokey

02-23-2006 12:19:39

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

The cad 500ci engine uses very little more space than a small block chev. It does'nt weigh much more either. It is readily available and has been proven to be quite reliable for performance builds.

There was a company called "cadilac motorsports developement", but I believe they have since sold to another company. CMD specialized in the 500ci engine and had several very high performance parts built for it. Do a google search and see what comes up.

As for putting it in a farmall...why not??:-)

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Kevin SR County (FL)

02-23-2006 12:11:13

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

I've been wondering about installing a 5-cylinder Mercedes diesel into an AC B or C. Torque curves are a little different but the engine size looks similar at first glance. I know it would take an adaptor plate and who knows what else....but it would be a sweet sounding tractor.....

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Turk

02-23-2006 23:00:14

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Re: Farmalls with Caddy engines in reply to Kevin SR County (FL), 02-23-2006 12:11:13

Hey I have been thinking the same thing! A Mercedes 5 cylinder with the exhaust grinder in a Farmall H, with an auxillary transmission in the front tube to get the driven speed down. Bill

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dhermesc

02-23-2006 11:49:53

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

Vanity.

Lets you win the "Mine's bigger then yours" arguement. What's bigger then a 500 ci caddy engine (and common)?

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Mike M

02-23-2006 12:58:15

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Re: Farmalls with Caddy engines in reply to dhermesc, 02-23-2006 11:49:53

My first thoughts would of been to keep it all IHC and use one of those big V8's 546 ? or something like that ?

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the tractor vet

02-23-2006 11:42:55

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

It is because one of the local guys that does this thinks that they have move power then a 460 ford but guess what he is wrong and no they are no easier to install then a 460 or 454 . There are a bunch of V 8 tractors around here of all colors . They have a V 8 class in antique tractor pullen because this guy wanted it and he could make money off it .

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Mark

02-23-2006 11:40:19

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

Long stroke torque monsters. You ever driven an older caddy? yeah, they are a sled on launch, but you get that boxcar moving down the highway and kick it in passing gear.....the torque curve is flat as a pancake.....they just keep pulling all the way to the end...it's a feeling I cannot describe. You take a big block Chevy and you get this kick in the @ss and it soon climbs out of it's torque curve and then it's just wind, wind, wind till it peaks out. The Caddy won't do that, it isn't as fast...and a BB Chevy isn't fast compared to a SB Chevy..but it leans into the load and never stops pulling...the old Buick engines were the same way.

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Jim.UT

02-23-2006 10:52:42

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Re: Farmalls with Caddy engines in reply to Mike M, 02-23-2006 10:23:44

I don't have any experience with caddy engines in tractors, but from my youthful days of reading Hot Rod magazine, I remember that there was a small group of rodders who were really in love with the big inch caddy motor. Reports were it had gobs of torque. The other benefit was that used caddy engines were rarely abused by the original owners like some big block Fords and Chevies. I remember hearing about an aftermarket high performance place that was catering to the 472 and 500 inch Cadillac engine.

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Tim...Ok

02-23-2006 12:48:24

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Re: Farmalls with Caddy engines in reply to Jim.UT, 02-23-2006 10:52:42

Jim, they have recently started making aluminum performance cylinder heads for those 500 caddy's..their heads were what has always kept them out of the mainstream performance market..you'll probably see more and more of them in the future..

Tim

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Mark

02-23-2006 20:58:41

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Re: Farmalls with Caddy engines in reply to Tim...Ok, 02-23-2006 12:48:24

When you swap out the original iron heads for the new performance types, everything will change. No doubt the new heads will feature humongous valves and then couple that with a high lift long duration cam and the horsepower will go up, the torque curve will change..it will come on hard from the mid to high end...great for high rpms and speed but not worth a nickel for low end/rpm grunt. Ever notice how truck engines have small valves and mild grinds on the cams? makes it all on the bottom end from start to 3200-3600 rpm great for stump pulling, out of breath beyond that.

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Jim.UT

02-23-2006 14:22:21

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Re: Farmalls with Caddy engines in reply to Tim...Ok, 02-23-2006 12:48:24

The article in Hot Rod Magazine that sticks out in my memory was called "Caddy-Hack". The purpose of the article was to show drag racers the negative effects of excess weight on your race car.

They started out with an old sedan DeVille. They did a 1/4 mile pass with 4 people aboard. Then they started removing parts, first the seats, then the doors, then the hood. Each time the removed something they did another 1/4 mile blast and recorded the ET and top speed. After a while they got really crazy and started torching off every conceivable part not necessary to make it move. At the end they had just a frame with a fiberglass bucket seat bolted to it, and the drivetrain. Everything else was gone.

I can't remember now, but it seems like they got down into the 12 second area...all without touching the engine.

A few months later they did an article on the vehicles owned by the guy who donated the sedan DeVille for the test. He had caddy motors stuffed into every vehicle he owned, pickup, motorhome, '50 Ford coupe, '53 Studebaker, etc etc.

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Tim...Ok

02-23-2006 15:15:50

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Re: Farmalls with Caddy engines in reply to Jim.UT, 02-23-2006 14:22:21

I remember the caddy hack article,bet I read it 5 times..LOL they changed the magazine a couple years ago..better now than it's been in a long time..

Tim

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Old Sarge

02-23-2006 11:07:36

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Re: Farmalls with Caddy engines in reply to Jim.UT, 02-23-2006 10:52:42

Don't know about putting them in Farmalls, but I do remember stuffing one in a 1948 PowerWagon. We never could keep a clutch in it tho. Kept burning em out, espedially going up hills.

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