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Old 10-20-2008, 11:00 AM   #1
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Escort SPI - Focus SPI swap/interchange compatibility?

Ok. I've scoured the internet but havent found a straight answer yet. I have an 01 Focus SPI and the valve seat dropped. I havent had much luck finding a reasonably priced replacement focus SPI motor, BUT I paid $130 bucks for a running Escort SPI. Looks like the intake, exhaust manifolds, timing cover, all brackets and accessories, and spark plugs are different. So, my question is, are the block and head the same? I was hoping I could pull out the focus motor, swap all the manifolds and accessories and install the escort SPI 2 liter with all the focus parts on it. Any 100% sure answers would be greatly appreciated.


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Old 10-22-2008, 07:44 PM   #2
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Hey, when my spi did the same thing, I found the focus head is specific to the focus, but also found the escort spi will do the same thing at about 100k-120k miles, this came from about every machinist I talked to, this seems to be a design flaw with all the ford 2.0 spi motors. the auto tranny from a spi should bolt to a zetec motor, this swap is highly recomended as the zetec motors are bullit proof.
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Old 10-22-2008, 07:51 PM   #3
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the zetec trany wont bolt up to a spi
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Old 10-22-2008, 09:20 PM   #4
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What year is the excort spi? My old 01 escort had the same spi as the focus spi
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Old 10-24-2008, 01:53 AM   #5
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I'm in the same situation and cant seem to find a 100% certain answer. Can find escort motors for a few hundred less than the same Focus motor. What sensors, etc would I need to worry about if I threw in an escort motor? Could I just change everything out so that I am basically just reusing the block and make it work without any conflicts? Would be a bit more work but would save me a few hundred...???
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Old 10-24-2008, 01:03 PM   #6
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If you use the right year motor, like I said above, you dont have to change any of teh wires or modify the harness. The last gen escort had the same SPI motor as the focus SPI motors. Look for one of those and you should be golden.
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Old 10-26-2008, 11:06 PM   #7
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Quote:
Originally Posted by FORDFOCUSZETECMCC View Post
the zetec trany wont bolt up to a spi
How do you know??? Have you tried it??? have spi block and zetec tranny will try tomorrow just to settle this once and for all
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Old 10-27-2008, 08:40 PM   #8
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Hey, to end the question will a spi tranny bolt to a zetec motor, or vise-versa, yes it will. just about an hour ago I bolted a zetec auto tranny to a spi short block and it fit perfect.
Now my spi block came from a base model wagon, the tranny came from a ZTS, both are 2000 models.

Hope this clears up some confusion on this interchange.
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Old 10-27-2008, 11:21 PM   #9
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Thats because both the zetec and spi use the same exact automatic transmission.
The REAL questions is does the Mtx-75 manual transmission bolt up to the spi?
Thats what I want to know. If it does, im going that route when I do my manual swap.
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Old 10-28-2008, 09:32 PM   #10
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Thats because both the zetec and spi use the same exact automatic transmission.
The REAL questions is does the Mtx-75 manual transmission bolt up to the spi?
Thats what I want to know. If it does, im going that route when I do my manual swap.
Hey, it stands to reason that if the autos are the same then the mtx-75 should bolt on, you'll just have to check the clutch disk spline for compatibility, because I don;t think ford would make 2 different blocks for the manual and automatic setups.
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