Tag Dana70HD

Converting from an automatic to a manual transmission in your 1984 F350 motorhome is a significant undertaking. Here’s what you need to consider:

Pros of Manual Conversion

1. Control: Manuals offer more control, especially in off-road situations.
2. Simplicity: Generally simpler to repair and maintain.
3. Durability: Often more robust for heavy-duty use.

Cons of Manual Conversion

1. Complexity: The swap requires significant time and effort.
2. Cost: Can be expensive once you factor in all necessary parts and modifications.
3. Drivability: Manual transmissions can be less convenient in stop-and-go traffic.

Necessary Components

1. Transmission: A manual transmission like the T18 or ZF5 would be suitable. Ensure it’s compatible with your engine.

2. Clutch Assembly: You’ll need a clutch, pressure plate, and flywheel specific to your engine.

3. Pedal Assembly: A clutch pedal and associated hardware are required.

4. Bellhousing: Ensure it matches both the engine and the chosen transmission.

5. Linkage and Cables: You’ll need linkages or hydraulic lines for clutch operation.

6. Driveshafts: Modifications to the driveshafts may be necessary due to length differences.

7. Crossmember and Mounts: A different crossmember might be needed for the manual transmission.

Steps and Considerations

1. Planning: Determine the exact parts needed for your specific setup.
2. Removing Automatic Components: This includes the transmission, shifter, and associated wiring.
3. Installing Manual Components: Attach the manual transmission, clutch assembly, and pedals.
4. Adjustments: Modify driveshafts and potentially the exhaust or other components for clearance.
5. Electrical Work: Bypass or modify any neutral safety switches and reverse light wiring.

Potential Pitfalls

• Alignment: Ensuring everything aligns properly is crucial.
• Fitment Issues: Custom fabrication might be needed for mounts or linkages.
• Time and Cost: It can be easy to underestimate both.

Pro Tips

• Source a donor truck to simplify parts gathering.
• Consider the driving comfort and needs for your particular use case.
• Engage with communities like the Bullnose Ford subreddit for firsthand insights.

Ultimately, whether to convert depends on your driving needs and mechanical skills. It’s a big project but doable with the right resources. If you have more questions, feel free to ask!

Great engine choice! The 460 V8 is a powerhouse. Here’s how using the 460 impacts your manual conversion:

Transmission Options for the 460

1. T18 or T19: Sturdy 4-speed options that can handle the torque of the 460.
2. ZF5: A 5-speed that offers overdrive for better highway driving.

Key Considerations

• Bellhousing: Make sure it matches the 460 engine and the transmission.
• Clutch: A heavy-duty clutch kit is recommended to handle the 460’s power.
• Flywheel: Ensure the flywheel is compatible with the 460.

Additional Tips

• Cooling: Consider an upgraded radiator or transmission cooler.
• Exhaust Clearance: Watch for any interference between the exhaust and manual components.
• Pedal Assembly: Specific to the 460, ensuring robust linkage for the torque.

Converting to a manual with a 460 is a solid choice for performance and reliability. If you need more detailed guidance, just let me know!

For your 1984 F350 with a 460 engine, here’s a rundown on suitable donor years:

Ideal Donor Trucks

1. 1980–1986 F-Series: Stick with the Bullnose generation for the best compatibility.

2. 1973–1979 F-Series: Some components, especially transmissions like the T18, can swap over, but check for specific fitment issues.

3. 1987–1991 F-Series: Early Bricknose models can provide transmissions like the ZF5, but ensure compatibility with the 460.

Parts to Focus On

• Transmission and Bellhousing: Ensure the donor has the same engine family.
• Pedal Assembly: Find one that matches the F350 configuration.
• Driveshafts: Lengths may vary, but they can be modified.

Pro Tips

• Verify part numbers and dimensions for compatibility.
• Check forums or local junkyards for availability and advice.
• Always inspect donor parts for wear or damage before purchase.

Choosing the right donor truck can make your conversion smoother and more cost-effective. If you have more questions, feel free to ask!

Yes, you can use a transfer case from a 1981 F350 with a manual transmission in your 1984 F350 with an automatic transmission, but there are a few key considerations:

Compatibility Factors

1. Transfer Case Type:

   • The NP205 is common for that era and is robust. Ensure it matches your application needs.

2. Input Spline Count:

   • Check the spline count on the transfer case input shaft. It must match the output shaft of your transmission. Manual and automatic transmissions often have different spline counts.

3. Adapter and Mounting:

   • You’ll need an adapter plate if the bolt pattern or input shaft length differs.
   • Ensure the mounting points align with your frame and crossmember.

4. Linkage and Controls:

   • You may need different linkages or modifications to your existing setup for proper engagement.

5. Driveshafts:

   • Driveshaft lengths may need adjusting due to transfer case differences.

Additional Tips

• Inspect the Transfer Case: Ensure it’s in good condition with no leaks or excessive wear.
• Consider Rebuilding: If the case is old or has unknown history, a rebuild kit might be a good investment.
• Consult a Manual: Factory service manuals can provide specific details on differences and installation tips.

This swap is feasible with attention to detail in these areas. If you need more guidance, feel free to ask!

The choice between the T18 and NP435 depends on your specific needs. Here’s a breakdown:

T18 Transmission

• Gearing: Has a 6.32:1 first gear, which is excellent for low-speed torque and off-roading.
• Durability: Known for being robust and reliable.
• Availability: Fairly common and parts are generally available.

NP435 Transmission

• Gearing: Offers a 6.68:1 first gear, slightly lower than the T18, providing even more grunt off the line.
• Durability: Also very tough and reliable.
• Shifting: Some find the NP435 smoother in operation.

Key Considerations

• Usage: If you plan heavy off-roading or towing, the NP435’s lower first gear can be an advantage.
• Parts: Both have good aftermarket support, but availability might vary by region.

Pro Tips

• Check Compatibility: Ensure bellhousing and clutch components match your engine.
• Inspect Thoroughly: Look for wear on gears and synchros in used units.
• Rebuild Kits: Consider investing in a rebuild to ensure longevity.

Both are excellent choices, so it comes down to personal preference and specific needs. If you need more details, feel free to ask!

For a 1981 F350, you’ll want a Dana 60 front axle from the following years for the best fit:

Compatible Years

1. 1978–1979 F-Series: These fit well with minimal modification.
2. 1980–1991 F-Series: Direct bolt-in options exist, especially with F350 models.

Key Considerations

• Spring Perches: Ensure they match your frame’s spacing.
• Brake Components: Check for compatibility or consider upgrading to match your system.
• Steering Linkage: Ensure it works with your existing steering setup.

Pro Tips

• Inspect for Wear: Check kingpins, seals, and bearings before purchase.
• Gear Ratio Match: Ensure the axle’s gear ratio matches your rear axle to avoid issues.
• Aftermarket Support: Plenty of parts are available to rebuild or upgrade a Dana 60.

Choosing the right year and ensuring compatibility will make the swap smoother. If you have more questions, feel free to ask!

For a 1983 F350, the following years of Dana 60 front axles are compatible:

Compatible Years

1. 1978–1979 F-Series: These can fit with some modifications.
2. 1980–1991 F-Series: Direct bolt-in options, especially from F350 models.

Key Considerations

• Spring Perches: Ensure they align with your frame’s spacing.
• Brake Compatibility: Verify or upgrade to match your system.
• Steering Components: Ensure linkage compatibility with your current setup.

Pro Tips

• Inspect Before Purchase: Check for wear on kingpins, seals, and bearings.
• Gear Ratio: Match the front axle’s gear ratio with your rear axle to avoid drivetrain issues.
• Rebuild Options: Consider rebuilding for reliability, with lots of parts available.

Picking the right axle and ensuring compatibility will make your swap smoother. If you have more questions, feel free to ask!

To pair with a 1983 F350’s Dana 70HD rear axle with a 3.54 gear ratio, you’ll want a front axle that matches to ensure proper drivetrain operation. Here’s what you should consider:

Recommended Front Axle

• Dana 60 Front Axle: This is a common and robust choice for an F350.

Key Steps

1. Gear Ratio: Ensure the front axle also has a 3.54 gear ratio to match the rear.
2. Compatibility: Look for axles from 1980–1991 F-Series trucks for a direct fit.
3. Spring Perches and Brackets: Make sure they align with your frame setup.

Additional Considerations

• Brake System: Check for compatibility or upgrade to match your truck.
• Steering Linkage: Ensure it works with your current steering setup.
• Condition: Inspect for wear on kingpins, seals, and bearings before purchasing.

Matching the gear ratios and ensuring fitment will lead to a smooth and reliable conversion. If you need more details, feel free to ask!

Your setup looks solid with a few key points to check for compatibility:

Compatibility Overview

1. Dana 70HD Rear Axle (3.54 Ratio)

   • Matches well with the Dana 60 front axle when both have a 3.54 gear ratio.

2. Dana 60 Front Axle (3.54 Ratio)

   • Ensure it has the proper spring perches and steering linkage for your frame.

3. Borg Warner 1345 Transfer Case

   • Works with the T-18 transmission, but ensure you have the correct adapter for the transmission-to-transfer case interface.
   • Confirm the spline count matches the output shaft of the T-18.

4. T-18 Manual Transmission

   • Known for its durability and works with the BW1345, assuming proper adapters are used.

Key Considerations

• Driveshafts: May need modifications for length and yoke compatibility.
• Linkages and Mounts: Ensure proper installation and alignment.
• Crossmember: Check if the transfer case requires a different crossmember for mounting.

Pro Tips

• Inspect Components: Check for wear and consider refreshing seals and bearings.
• Check Ratios: Double-check both axles have matching gear ratios for smooth operation.
• Installation Manuals: Reference factory manuals for detailed installation guidance.

Your combination should work well with careful attention to these details. Let me know if you have more questions!

Yes, the 1983 C6 three-speed automatic transmission can be compatible with an NP205 transfer case, but you need to ensure a few things:

Compatibility Considerations

1. Adapter Kit:

   • You’ll need an adapter to connect the C6 to the NP205. These are available in the aftermarket.

2. Spline Count:

   • Ensure the spline count on the C6 output shaft matches the NP205 input. Common setups might need a 31-spline adapter.

3. Crossmember and Mounts:

   • Adjust or modify the crossmember and mounts to accommodate the new setup.

4. Linkage and Shifters:

   • You may need new linkage or modifications for the transfer case shifter.

Additional Tips

• Inspect the Transfer Case: Before installation, check for wear and leaks. Consider a rebuild if condition is unknown.
• Driveshaft Modifications: Length and yokes may need adjustment for proper fitment.
• Transmission Cooler: Since the C6 is an automatic, ensure you have an adequate cooler for reliability.

These steps will help ensure a smooth installation and reliable performance. If you have more questions, feel free to ask!

Converting your 1983 F350 from 2WD to 4WD can be done with either setup, but each has its pros and cons. Here’s a comparison to help you decide:

Keeping the C6 with NP205

Pros:

• No Transmission Swap: Retaining the C6 means fewer components to change.
• Simplicity: Automatics can be easier for daily driving and towing.
• Cost: Potentially less expensive if the C6 is in good condition and you only need the adapter for the NP205.

Cons:

• Adapters Needed: You’ll require an adapter to mate the C6 to the NP205.
• Complexity: Setting up the linkage and mounts might require customization.

Switching to T-18 with BW1345

Pros:

• Manual Control: Better for off-road use, with more direct control over gear selection.
• Durability: Both the T-18 and BW1345 are known for being robust.

Cons:

• Pedal Assembly: You’ll need to add a clutch pedal and associated components.
• More Work: Swapping transmissions involves more labor and components.
• Cost: Likely higher due to additional parts and complexity.

Key Considerations

• Driving Preference: Consider if you prefer automatic or manual driving.
• Current Transmission Condition: If the C6 is already in excellent condition, it might make sense to keep it.
• Budget and Time: Factor in cost and how much time you can invest.

Pro Tips

• Parts Availability: Check for availability of parts and rebuild kits for either choice.
• Community Feedback: Engaging with forums like the Bullnose Ford subreddit can offer insights from those who’ve done similar projects.

Ultimately, the choice depends on your driving style and project goals. If you want more details, feel free to ask!