Was thinking of building an antique Ford puller to complement my 8210 speed puller... Thought a rowcrop 600-950 would be a good start. Not knowing much about the old 4 cyl, thought I would ask around... Can the 134 be made into a 172? Heard rumours of a 192 cid 4 cyl, does it really exist and can 192 parts fit a 172/134 block? At the 2965 RPM limit in NATPA Div 2 rules what kind of horsepower can I get out of one of these old girls? Would like to be able to compete in the 3500-5000 lb classes with 3mph speed limit...
- Thread starter MH55
- Start date
Anonymous-0
Well-known Member
The 172 differential is beefed up The 134 differential wont like a 172 or 192 engine.
55:
Though nearly anything can be done if one has enough money and/or time, the 134 block cannot be cost effectively expanded to 172 CI.
The 192 industrial engine is a different block than the 172. It would, of course, be the ideal engine to use for pulling but these have become difficult to find. 192 industrials were rated around 60 HP at 2100 RPM.
As I'm sure you know, the 7xx or 9xx row crop versions (with narrow front) would be best for pulling due to weight transfer characteristics.
In any event, the early Fords will not compete well against the Olivers.
Dean
Though nearly anything can be done if one has enough money and/or time, the 134 block cannot be cost effectively expanded to 172 CI.
The 192 industrial engine is a different block than the 172. It would, of course, be the ideal engine to use for pulling but these have become difficult to find. 192 industrials were rated around 60 HP at 2100 RPM.
As I'm sure you know, the 7xx or 9xx row crop versions (with narrow front) would be best for pulling due to weight transfer characteristics.
In any event, the early Fords will not compete well against the Olivers.
Dean
Anonymous-0
Well-known Member
You can bore out the 172 block to 4 inches and I would use a 4000 block. You may also stroke the crank. You must use a diesel crankshaft, its steal and is good for welding and storking. You will also want to use the 134 clyinder head. Have the cam recalibrated and ground along with the distibutor. Use the large 801-4000 serires carb and it will out pull an Oliver. If you have a row-crop model, I would recomend bracing the axel drops to the belly of the tractor. The extra toruqe and 70hp will twist them off and its just not a pretty picture! Other wise it pulls and runs great!
172& 134 tractor differential were different in the utility tractors 172 was bigger than the 134.
Row crop tractors had the same differential (one size)
with 134 or 172 engines difference in the row crop & utility was which side of the pinion
the ring gear was on & drops.
the 192 four cylinder Pistons & head gaskets were
very hard to find
Row crop tractors had the same differential (one size)
with 134 or 172 engines difference in the row crop & utility was which side of the pinion
the ring gear was on & drops.
the 192 four cylinder Pistons & head gaskets were
very hard to find
We resleeved a 172 to the 4.160 bore 0f a 192+.030. The engine is in a 960 puller and has been dry blocked.It never overheats even on back to back pulls. I used the 172 head and cut it to 64cc chambers, did some intake port work, added larger valves, better springs and a cam reground by Bullet Cams. Some will advise you to use rhe stock cam and up the rocker ratio for more lift.
It's stock stroke at this point.
70 HP is pretty easy to get
It's stock stroke at this point.
70 HP is pretty easy to get
franks old fords
New User
Why do you suggest a 134 head? Compression ratio?
Would putting a 192 head on a 172 block be a bad thing to do? This would be for a normal working tractor, not a pulling tractor.
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