sd25 pistons

SD diesels were widely available in the US in the 1981-86 Datsun/Nissan 720 pickups, and in Canada through '87 in the D21 pickup.

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fnnissan
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Location: Snohomish, WA

sd25 pistons

#1

Post by fnnissan »

Do they have oil sqirters on them like the sd22 does?
87 nissan HB, z24i, d44 SAS, d44 rear, 5.38s, posi rear, front about to be locked...
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asavage
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#2

Post by asavage »

The oil squirters, to cool the bottoms of the pistons, are in the block.

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This is the parts exploded view for the SD23 & SD25, and it shows the squirter (ref 12121):

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Regards,
Al S.

1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.
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