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Non - Specific
Engine Conversion
Zf-6 vs fuller 8406
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[QUOTE="93F350, post: 1552077, member: 32973"] So eventually I'll be putting a Cummins into a ford and not sure witch trans to use I know the zf-6 is strong and it's a lot easier to use but just how long would it last behind a 600hp compound turbo cummins. The fuller fso 8406 will never brake as it's very beefy but it'll be a lot more work to get it to fit and I imagine it's very slow shifting. So just curious to see what people think would be a better trans to use. If anyone has driven a truck with a fso 6406 or 8406 how does it shift compared to a zf5 or zf6. [/QUOTE]
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