Set the powertrain position
Confirm engine and transmission placement, output-shaft relationship, tunnel and firewall clearance, and usable mount location before fabricating support.
IRONWAKECUSTOMS(202) 600-6906
Custom crossmembers · Virginia classic vehicles
Support the transmission without sacrificing angle, clearance, or service access.
The search that brought you here
For owners searching for a custom transmission crossmember, transmission mount fabrication, swap crossmember, or automotive fabrication shop for a classic-car engine or transmission conversion in Virginia.
Transmission position affects driveline angles, tunnel clearance, mount loading, exhaust routing, ground clearance, shifter location, firewall space, and service access. Ironwake measures the installed powertrain and chassis, then plans a crossmember and mount arrangement around the actual combination rather than forcing a generic part into the wrong geometry.
Tell us about the vehicle, truck, or boat →Confirm engine and transmission placement, output-shaft relationship, tunnel and firewall clearance, and usable mount location before fabricating support.
Account for exhaust, driveshaft, parking-brake components, floors, frame rails, fasteners, ground clearance, and access through normal vehicle movement and service.
Use a serviceable mounting strategy where practical so transmission or exhaust work does not require cutting finished fabrication apart.
What the project may include
Final design depends on the vehicle structure, engine and transmission position, mount requirements, driveline geometry, exhaust plan, ground clearance, material, fasteners, surrounding systems, power goal, and intended use.
Local, appointment-based project work
Ironwake considers custom-crossmember projects for classic cars, trucks, restomods, and specialty vehicles from King George, Fredericksburg, Stafford, Spotsylvania, Dahlgren, Colonial Beach, and the Northern Neck. Send the vehicle, engine and transmission identification, mount information, current powertrain position, underside and tunnel photos, exhaust plan, ride height, parts already purchased, and any existing fabrication.
Check project fit ↗Questions owners ask before starting
Yes, by project fit. The engine and transmission must be positioned around the chassis, tunnel, steering, oil pan, headers, driveshaft, output angle, shifter, and service needs before the support is finalized.
A removable design is often useful for transmission and exhaust service, but the attachment structure, loads, fasteners, packaging, frame type, and vehicle use determine whether and how that approach is appropriate.
Transmission output and rear-pinion relationships affect universal-joint operation and vibration. The crossmember is one part of that geometry, so engine position, ride height, axle position, driveshaft length, and suspension movement also matter.
Sometimes. Its material, fit, strength, mount position, weldability, exhaust and driveshaft clearance, fastener access, and the extent of the required change must be evaluated first.
The project needs a real starting point
Ironwake will review the vehicle, current condition, intended use, and requested scope before recommending the right next step.
Start the conversation ↗