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engine indentification name, ordering parts


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Hi folk

Can anyone tell me if my T173 engine is called a "251".

I am going to order parts from the states and the good folk keep on refering to parts for a "251"... it just makes me a little insecure.

see below

vehicle

251 engine

Vintage Power Wagons, Inc

302 South 7th Street

Fairfield, IA 52556

Qty Item Description price each Amount

1 Eng. Parts 251 complete engne gasket set 115.00 115.00T

1 Eng. Parts New Oil PUMP 129.00 129.00T

6 Eng. Parts 251 New Intake VALVES 16.50 99.00T

6 Eng. Parts 251 New Exhaust VALVES 16.50 99.00T

1 Eng. Parts set .040 251 Pistons 75.00 75.00T

1 Eng. Parts set Main BEARNGS 251 125.00 125.00T

1 Eng. Parts 251 cam BEARINGS 39.00 39.00T

1 Eng. Parts 251 .040 piston RING SET 75.00 75.00T

SUBTOTAL 756.00

WAITING ON CREDIT CARD INFO

Out-of-state sale, exempt from sales tax 0.00%

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T173 is a 218 Canadian long block.

I believe 251 pistons at 40 thou over will not fit. It leaves the cylinder wall to thin. You would need to get the walls ultru-sonicly tested to check first.

Standard size 251`s approx = 218 + 60 thou. these should work.

The bearings and valves and oil pump are the same on the 218 and 251

Just had a thought, I think the piston pin heights are the same for a 250, 218 but it might pay to check as they run differant cranks and rods.

Edited by Tony WestOZ
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well Tony you saved the day!

after posting your reply, i went myself to the mechanic and measured the block. The measurement given were way out! It shows you to check and double check always! i would have ende up with a whole lot of wrong parts.

The correct measurment the block face = excactly 25. 5/8" inch,

this is measured from end to end on the face (not the head, just the face)

The Piston / Bore = 3. 3/8" inch

Conrod lenght = 8" inch

measured from centre of the pin (top of piston) to centre of where the bearing is held.

so, this time ... :cool:

T173 is a 218 Canadian long block.

I believe 251 pistons at 40 thou over will not fit. It leaves the cylinder wall to thin. You would need to get the walls ultru-sonicly tested to check first.

Standard size 251`s approx = 218 + 60 thou. these should work.

The bearings and valves and oil pump are the same on the 218 and 251

Just had a thought, I think the piston pin heights are the same for a 250, 218 but it might pay to check as they run differant cranks and rods.

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well Tony you saved the day!

Not yet

after posting your reply, i went myself to the mechanic and measured the block. The measurement given were way out! It shows you to check and double check always! i would have ende up with a whole lot of wrong parts.

The correct measurment the block face = excactly 25. 5/8" inch,

this is measured from end to end on the face (not the head, just the face)

The Piston / Bore = 3. 3/8" inch

Conrod lenght = 8" inch

measured from centre of the pin (top of piston) to centre of where the bearing is held.

so, this time ... :cool:

I have never had a 218.06 apart. I would have thought the rod would be a bit longer to allow for the 4 1/16" crank.

The couple of mesurement I would like to know if possible, is the distance between the centre of the piston pin and the top of the piston, and the how far the top of the piston is down the bore. With these I can check the deck height.

218.06 long block pistons might be hard to get. I don`t know that the used these in the US were they had the short block 218 (well 217.something){brain fade}

Hav`nt you got a KEW sitting there?

Mmm, Now if the crank and rods out of the 250 Kew went into the 218 block........

I`ll have to think about this.

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hey Tony, all to tech for me.. I am not a mechanic. you must have been or still are a mechanic?

The Kew I am trying to get going and hope to sell it to offset some of the cost of rebuilding this engine.

see the email reply from vintage power wagons after the adjustment.

Ryan, that is close enough.

Depending on the stroke of the engine it is

probably a 237cubic inch or a 251 cubic inch motor. The stroke on the

237 is 4-1/4" and the stroke on the 251 is 4-1/2". If your rod is 8"

long center to center it would be a 237cubic inch motor.

When these engines were prepared at the factory they gave them an

engineering code that they stamped below the engine head on the drivers

side of the block. This number indicated what plant the engine would be

shipped to and what it would be put in. We sell the Chrysler Engine

manual for these old engines would recommend adding it to your order as

it makes very clear what this engine is and all of the specifications

and tolerances that Chrysler specified for rebuilding them.

We will adjust your invoice and make sure that your receive the engine

parts for the 237cubic inch engine. When ordering engine parts in the

future you will now know that you need to order for a 237 cubic inch.

Glad we figured this out and we can add that $28 engine manual to the

invoice to help your mechanic and you through this process.

Hope this helps,

Steve

I am glad when this is done.. then I can do what I know best..Panelwork !:D

I have never had a 218.06 apart. I would have thought the rod would be a bit longer to allow for the 4 1/16" crank.

The couple of mesurement I would like to know if possible, is the distance between the centre of the piston pin and the top of the piston, and the how far the top of the piston is down the bore. With these I can check the deck height.

218.06 long block pistons might be hard to get. I don`t know that the used these in the US were they had the short block 218 (well 217.something){brain fade}

Hav`nt you got a KEW sitting there?

Mmm, Now if the crank and rods out of the 250 Kew went into the 218 block........

I`ll have to think about this.

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Tony, Its a 173..:)

I think the guy at Vintage Power Wagon should read the book he is trying to sell you.

3 3/8" bore engines of this time were either 218.06 or 228.12. Not the 3 7/16" of the 236.6, 250.6 and 265.

T179 is the engine code for a 236.7

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