S-Chassis, swaps, and build tools

Evergreen reference pages plus calculators and checklists you can bookmark and reuse during a build.

Static site No accounts Saved locally
Start fast
Use Ctrl K to jump anywhere.
Try: RB25, S14, 2JZ, swap

Power tier quick links

Bookmark the tier that matches your goal.

~350 whp ~500 whp ~700+ whp HP Estimator Budget Estimator

What usually breaks first

A blunt snapshot of where builds fail as power and traction rise.

Under ~400 whp
Details beat parts
Cooling airflow, wiring routing, and integration issues dominate.
~400–600 whp
Fuel + drivetrain shock
Fuel system sizing and driveline shock loads become the failure drivers.
600+ whp
Heat + traction failures
Heat management, axles/diff, and wheel hop mitigation become non-optional.
Driveline stress Cooling load Hard limits
What this site is
Structured reference. Zero fluff.
Evergreen reference pages for S-chassis swaps, power planning, and system integration.