U pistons

bjz · Mar 17, 2015

I have a 1940 U that I use for plowing. It has some blowby and
I am going to rebuild it. I want to put some oversized aluminum
pistons in it but I can't seem to find anyone that sells them.
Any suggestions as far as what size I can go up to. I am
wanting to make more power so I can pull the three bottom
plow a little faster.

I am also building a 1938 MTA and I need standard size
aluminum pistons for it.

F-MM · Mar 17, 2015

I have a 38 U with a one piece block that we bored to 4 1/2". The skirt was quite thin but they think it will hold. I haven't had it running yet. Just thought you might like to know what has been done before. The old block was cracked but the pistons were like new so we found a good block and bored it to fit the pistons we already had.

MDHJR · Mar 18, 2015

(quoted from post at 02:56:24 03/18/15) I have a 1940 U that I use for plowing. It has some blowby and
I am going to rebuild it. I want to put some oversized aluminum
pistons in it but I can't seem to find anyone that sells them.
Any suggestions as far as what size I can go up to. I am
wanting to make more power so I can pull the three bottom
plow a little faster.

I am also building a 1938 MTA and I need standard size
aluminum pistons for it.

I have some 4.375 overbore pistons for a U 269 929 4216

U pistons

bjz

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F-MM

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MDHJR

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