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Ford crossflow difference

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64 200 ranchero
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Ford crossflow difference

Post #1 by 64 200 ranchero » Wed Oct 10, 2018 10:42 pm

What parts are interchangeable from our US engines to the Australian crossflow? I know that a few people have adapted crossflow heads to American blocks, can a American head work on a crossflow block if an American cam was used? Does it use a different oil pan? I might have the opportunity to get a block if the price is right.
60 ford ranchero daily driver. 200 tri power, modified c4 trans, ds2 distributor, msd programable 6al2, weber ict's, 8" rear end with full spool, 3.80 gears, 245 tires, CI dual out header, Dynomax muffler, 114hp shot wet nitrous kit. JE Forged pistons, 280 110lc cam, around 11-1 compression.

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Re: Ford crossflow difference

Post #2 by rocklord » Thu Oct 11, 2018 9:21 am

No the US head will not work on the crossflow block. The crossflow block is wider at the deck surface than the US block; that's why a 1/4" plate has to be installed on the US block to use a crossflow head on it. You'd be better off buying the crossflow block, then finding a crossflow head to install on it. Several people on this forum have extra heads they may part with, or you can get one off Australia eBay and have it shipped. The alloy crossflow head is light enough to ship.

Do you know the casting code on the crossflow block? Early crossflow blocks used a rope seal similar to the US block. In 84 they went with a one piece seal, then in 86 went with a larger seal used in the SOHC engines since they were built in the same factory.

The crossflow engine is narrower at the engine mounts than the US 250 engine, almost the same width as the US 200. This allows the engine to sit lower than the US 250. The crossflow oil pan is narrower than the US 250, almost a hybrid between our 200 and 250.

Hope this helps.

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