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Old 10-05-2008, 09:42 PM   #1
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VW FOX 16v MOTOR SWAP HELP

just like it says, i have a 1989 vw fox with a 8v= 81HP and a 1991 vw passat with a 16v=140HP----------- the deal is the motors are the same block but they changed around the heads-- it will bolt up with minimal fitment issues, battery box will have to be moved to clear the distributor- but other than that i need to know about the wiring--- im sure there are some vw gurus here and can help me out---- i cant find anything for the passat in wiring diagrams but i have the whole car to tinker around with----- you guys let me know-- Thanks

This is what i want!!!^^^^^^^^

This is what i have :( ^^^^^^^^


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Old 10-05-2008, 10:07 PM   #2
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16V FTW!!!!!!

I miss my 94 VR Passat, check on www.VWvortex.com Lots of knowledge over there.
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Old 10-05-2008, 10:47 PM   #3
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FTW? what do you mean by that
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Old 10-05-2008, 10:54 PM   #4
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Quote:
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FTW? what do you mean by that
For
The
Win
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Rock on.
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Old 10-06-2008, 06:08 PM   #5
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oh... well any more ideas-- anyone wanna help :) this is project el cheapo-- like five hundred dollars in all---- the fox is a bit rusty in spots but not bad for 150 bucks---
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Old 10-07-2008, 10:43 AM   #6
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Are you talking about swapping the entire engine or only the head?

I don't know much of anything about VW engine internals, but if you're talking about swapping the head, be aware that the compression ratio is determined by both the head and the pistons. Some pistons are domed to increase compression or dished to decrease compression. If you mix-and-match head and piston combinations, you may wind up with an engine that has 13:1 compression and requires race gas, or an engine with 7:1 compression that doesn't make any power to speak of. Also, some heads require pistons with cutouts for valve clearance, and using pistols without the right cutouts may result in violent valve-to-piston contact. Food for thought.

Where are you planning to put the battery, and how are you proposing to route the exhaust? I've heard that the stock 16v VW exhaust manifold won't work in a Fox because the engine is longitudinal and not transverse like in a Golf, Jetta, or Passat.
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Old 10-07-2008, 07:45 PM   #7
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its a full motor swap--- the battery is going in the trunk- the manifold isn't a problem either i have alot of welding experiance so im sure i can make something- plus i have alot of piping left over from my focus headers to work with
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Old 01-06-2009, 03:43 PM   #8
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bump!!! look in the motorswap forum for more!!!
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