Custom Builds
Bespoke Power Solutions Tailored to Your Vision
Sometimes, a standard crate engine or off-the-shelf transmission isn’t enough. Whether you’re chasing specific horsepower numbers, building a one-of-a-kind show car, restoring a rare classic, or creating a purpose-built marine vessel, Engines & Transmission TAN has the expertise to bring your vision to life.
Based in Vlaardingen, we specialize in custom engine builds, transmission configurations, and complete powertrain packages for automotive, marine, and industrial applications throughout the Netherlands and Europe.
Why Choose a Custom Build?
| Reason | Benefit |
|---|---|
| Specific performance targets | Achieve exact horsepower, torque, and RPM characteristics |
| Unique vehicle applications | Fit engines into chassis they weren’t designed for |
| Rare or vintage vehicles | Source and rebuild engines for discontinued models |
| Purpose-built performance | Drag racing, road racing, off-road, marine, or towing-specific builds |
| Aesthetic requirements | Custom finishes, colors, and detailing |
| Budget optimization | Allocate resources to components that matter most for your goals |
Our Custom Build Services
🔧 Custom Crate Engines
We build engines from the ground up, selecting every component to match your specific requirements.
Build Process:
| Phase | Details |
|---|---|
| 1. Consultation | Discuss goals, vehicle, intended use, and budget |
| 2. Component Selection | Choose block, rotating assembly, cylinder heads, camshaft, induction, and accessories |
| 3. Machining & Preparation | Precision machining of block, cylinder heads, and rotating assembly |
| 4. Assembly | Expert assembly with meticulous attention to clearances, tolerances, and fastener torque |
| 5. Dyno Testing | Optional dynamometer testing with detailed performance report |
| 6. Delivery & Support | Complete documentation, break-in instructions, and ongoing technical support |
Custom Engine Platforms We Build:
| Platform | Typical Build Range | Common Applications |
|---|---|---|
| Chevrolet Small Block | 350–454 ci / 300–700+ HP | Classic GM, hot rods, muscle cars, marine |
| Chevrolet LS / LT | 4.8L–7.0L / 350–1,000+ HP | Modern swaps, performance builds, track cars |
| Ford Small Block | 289–427 ci / 250–600+ HP | Mustang, Bronco, hot rods |
| Ford Modular / Coyote | 4.6L–5.8L / 300–800+ HP | Late-model Mustang, F-150, swaps |
| Mopar Small Block | 318–360 ci / 250–500+ HP | Dodge Dart, Challenger, truck builds |
| Mopar Big Block | 383–440 ci / 400–700+ HP | Classic Charger, Road Runner, GTX |
| Mopar Hemi | 5.7L–6.4L / 400–600+ HP | Modern Charger, Challenger, Ram, swaps |
| European Applications | Custom builds | BMW, Mercedes, Volvo, Porsche |
| Marine Engines | Various | Inboard, sterndrive, jet boat applications |
🎛️ Custom Transmission Solutions
Beyond standard rebuilds, we offer custom transmission configurations for specific performance needs.
| Transmission Type | Custom Options |
|---|---|
| Automatic | Shift kits, manual valve bodies, custom torque converters, gear ratio changes, electronic controller tuning |
| Manual | Gear ratio optimization, upgraded synchronizers, billet components, hydraulic vs. mechanical linkage |
| Transmission Adapters | Custom bellhousing adapters for engine swaps |
| Transmission Brakes | Installation for drag racing applications |
Popular Custom Transmission Builds:
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4L80E with manual valve body for high-horsepower street/strip cars
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T56 Magnum with custom gear ratios for specific track applications
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Powerglide with transbrake for dedicated drag racing
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6L80E with upgraded torque converter and tuning for towing applications
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Ford 4R70W with custom valve body for performance builds
🔄 Complete Powertrain Packages
For customers building a complete vehicle or performing a full drivetrain swap, we offer integrated custom powertrain packages.
Package Includes:
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Custom-built engine matched to your chassis and goals
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Transmission selected and configured for optimal performance
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Driveshaft specifications and sourcing
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Rear end gearing recommendations
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Engine management system (ECU, wiring harness, tuning)
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Cooling system specifications
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Fuel system recommendations
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Exhaust header fitment guidance
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Motor mounts and transmission crossmember specifications
🏁 Restoration & Period-Correct Builds
For classic car and vintage boat restorations, we offer period-correct custom builds that maintain authenticity while improving reliability and drivability.
Restoration Services:
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Numbers-matching alternatives – appearance and specifications of original with modern reliability
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Date-code correct components – sourced and restored where possible
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Vintage appearance, modern performance – stealth upgrades for drivability
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Original rebuilds – full restoration of original engine and transmission
🚤 Marine Custom Builds
Marine applications have unique requirements for corrosion resistance, cooling, and reliability. We build custom marine engines for:
| Marine Application | Considerations |
|---|---|
| Saltwater use | Closed cooling systems, corrosion-resistant coatings, marine-grade components |
| High-performance | Increased horsepower, specific cam profiles for marine torque curves |
| Commercial/Work boats | Durability-focused builds, extended service intervals |
| Jet boats | High-RPM builds, specific engine mounting configurations |
| Classic boat restoration | Period-correct appearance, modern reliability |
Our Custom Build Process
Step 1: Initial Consultation
We begin with a detailed discussion of your project, goals, and budget. This can be done in person at our Vlaardingen facility, via phone, or through video call.
What we discuss:
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Vehicle or boat details
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Performance goals (horsepower, torque, RPM range)
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Intended use (street, strip, track, towing, marine)
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Driving characteristics (idle quality, street manners)
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Budget parameters
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Timeline expectations
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Supporting systems (fuel, cooling, exhaust, electrical)
Step 2: Component Selection & Proposal
Based on our consultation, we develop a detailed component list and proposal.
Proposal includes:
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Engine platform recommendation
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Detailed component list with specifications
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Estimated horsepower and torque curves
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Supporting parts requirements
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Pricing breakdown
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Build timeline estimate
Step 3: Machining & Preparation
Precision machining ensures proper clearances and longevity.
Machining services:
| Service | Purpose |
|---|---|
| Cylinder boring/honing | Proper piston-to-wall clearance; plateau honing for ring seal |
| Deck surfacing | Straight, true surface for head gasket seal |
| Line honing | Proper crankshaft alignment |
| Crankshaft grinding | Restore journal dimensions; micro-polish finish |
| Connecting rod reconditioning | Proper big-end bore size and alignment |
| Cylinder head machining | Valve job, surface resurfacing, guide replacement |
| Balancing | Rotating assembly balance for smooth operation |
Step 4: Assembly
Our experienced technicians assemble every engine with meticulous attention to detail.
Assembly standards:
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Cleanroom-quality assembly environment
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Precision measurement of all clearances
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Proper fastener lubrication and torque
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Camshaft degree verification
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Oil pump blueprinting and flow verification
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Detailed assembly documentation
Step 5: Dyno Testing (Optional)
For customers seeking verified performance, we offer dynamometer testing with comprehensive data logging.
Dyno testing includes:
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Break-in procedure (flat-tappet cam break-in as required)
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Power pulls at various RPM ranges
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Air/fuel ratio verification
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Oil pressure and temperature monitoring
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Coolant temperature tracking
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Printed dyno sheet with horsepower and torque curves
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Video documentation available
Step 6: Delivery & Support
Your completed custom build is delivered with complete documentation and ongoing support.
Deliverables:
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Build sheet with all component specifications
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Torque specifications for all fasteners
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Break-in procedure documentation
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Maintenance schedule recommendations
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Dyno sheet (if applicable)
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Warranty documentation
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Contact information for technical support
Custom Build Gallery
[This section would feature images of completed custom builds]
| Project | Description |
|---|---|
| [Image placeholder] | Chevrolet 383 Stroker – 470 HP, forged internals, aluminum heads, hydraulic roller cam |
| [Image placeholder] | Ford 347 Stroker – 450 HP, 5.0L-based, EFI, custom intake |
| [Image placeholder] | LS3 6.2L – 525 HP, forged rotating assembly, custom cam, Holley EFI |
| [Image placeholder] | Mopar 440 – 550 HP, aluminum heads, hydraulic roller conversion, period-correct appearance |
| [Image placeholder] | 4L80E Build – Full manual valve body, billet shafts, 1,000 HP capacity |
| [Image placeholder] | Marine 350 – Closed cooling, marine cam, stainless components |
Custom Build Request Form
Ready to discuss your custom build project? Fill out the form below, and our technical team will contact you within 24–48 hours.
Contact Information
| Field | Details |
|---|---|
| Full Name | (required) |
| Email Address | (required) |
| Phone Number | (preferred contact method) |
| Location | (city/country) |
Project Information
| Field | Details |
|---|---|
| Project Type | ☐ Custom Crate Engine ☐ Custom Transmission ☐ Complete Powertrain Package ☐ Restoration / Period-Correct Build ☐ Marine Custom Build ☐ Engine Swap Package ☐ Other |
| Field | Details |
|---|---|
| Vehicle / Boat Make | |
| Vehicle / Boat Model | |
| Year | |
| Chassis / Hull Type | *(e.g., A-body, Fox Body, C10, 24′ center console)* |
Performance Goals
| Field | Details |
|---|---|
| Intended Use | ☐ Street / Daily Driver ☐ Weekend Cruiser ☐ Street Performance ☐ Drag Racing ☐ Road Course / Track ☐ Off-Road ☐ Towing / Hauling ☐ Marine Recreation ☐ Marine Fishing ☐ Marine Commercial ☐ Show / Display ☐ Restoration |
| Field | Details |
|---|---|
| Target Horsepower | (estimate or range) |
| Target Torque | (estimate or range) |
| Desired RPM Range | (idle to redline) |
| Fuel Type | ☐ Pump Gas (91–93 octane) ☐ Premium (93+ octane) ☐ E85 ☐ Race Fuel ☐ Not sure |
Build Specifications
| Field | Details |
|---|---|
| Engine Platform Preference | (if known) |
| Displacement | (if desired) |
| Induction | ☐ Carbureted ☐ EFI (multi-port) ☐ EFI (direct injection) ☐ Not sure |
| Transmission Type | ☐ Automatic ☐ Manual ☐ Unsure |
| Field | Details |
|---|---|
| Special Requirements | (e.g., A/C compatibility, power steering, specific oil pan, exhaust configuration, marine corrosion protection, period-correct appearance) |
Budget & Timeline
| Field | Details |
|---|---|
| Budget Range | (optional – helps tailor recommendations) |
| Target Completion Date | |
| Are you performing installation? | ☐ Yes, myself ☐ Professional shop ☐ Not sure |
Additional Information
| Field | Details |
|---|---|
| Project Description | (Please describe your project in detail. Include current setup, modifications already completed, specific goals, challenges, and any components you already have.) |
Frequently Asked Questions
Q: How much does a custom engine build cost?
A: Custom engine pricing varies widely based on platform, components, and performance targets. A basic performance rebuild may start around €5,000–€7,000, while a high-end custom build with premium components and dyno testing can range from €10,000–€20,000+. We provide detailed quotes after understanding your specific requirements.
Q: How long does a custom build take?
A: Typical lead time is 4–12 weeks depending on component availability, machining requirements, and build complexity. We’ll provide an estimated timeline during consultation.
Q: Do you offer warranties on custom builds?
A: Yes. Custom builds come with comprehensive warranty coverage. Specific warranty terms vary by build configuration and will be outlined in your proposal.
Q: Can you build engines for vehicles not listed?
A: Absolutely. We work with a wide range of platforms including European, Asian, and specialty applications. Contact us to discuss your specific vehicle.
Q: Do you offer installation services for custom builds?
A: While we primarily focus on engine and transmission building, we can discuss installation options or recommend trusted shops in your area.
Q: Can I visit your facility to discuss my build?
A: Yes. We welcome in-person consultations at our Vlaardingen location. Please contact us to schedule an appointment.
Why Choose Engines & Transmission TAN for Your Custom Build?
| Advantage | Benefit |
|---|---|
| 15+ years expertise | Proven track record across automotive, marine, and industrial applications |
| Precision machining | In-house or partnered precision machining for quality control |
| Quality components | We use reputable brands: Eagle, Scat, JE Pistons, Comp Cams, Holley, Edelbrock, and more |
| Meticulous assembly | Attention to detail in every build |
| Dyno validation | Optional testing to verify performance |
| Comprehensive support | Ongoing technical assistance after delivery |
| European-based | Local support with regional shipping |
Ready to Build Something Extraordinary?
Whether you’re building a show-stopping muscle car, a purpose-built track machine, a reliable workhorse, or a unique marine vessel, Engines & Transmission TAN has the expertise to bring your vision to life.
[Request Custom Build Consultation] (Button linking to form)
Contact Our Custom Build Team:
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Email: support@enginestransmissiontan.nl
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Phone: [Add your phone number]
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Visit: 3134KL Vlaardingen, The Netherlands