S-Chassis, swaps, and build tools
Evergreen reference pages plus calculators and checklists you can bookmark and reuse during a build.
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RB25, S14, 2JZ, swapChoose your goal
Route yourself to the right pages in one click.
Power tier quick links
Bookmark the tier that matches your goal.
Most compared swaps
High-intent comparisons people actually make.
What usually breaks first
A blunt snapshot of where builds fail as power and traction rise.
Under ~400 whp
Details beat parts
~400–600 whp
Fuel + drivetrain shock
600+ whp
Heat + traction failures
What this site is
Structured reference. Zero fluff.
Chassis
Reference hubs for the S-chassis platform
Engines
Core engine hubs. Each includes tools and system links.
Engine variants
Common swap variants. Each page links to tools and swap pages.
Popular swaps
Start with a proven combination, then use the checklist and tools.
Tools
Bookmarkable calculators and checklists
Reference
High-signal planning pages you can bookmark.