Stage 1 Performance Engine San Diego builds are engineered for drivers who want reliable street performance without losing classic drivability. Built right here in San Diego, every engine begins with factory-seasoned blocks, precision machining, and the proven craftsmanship of the JBA Speed Shop team.
Each engine San Diego package is built with industry-leading machining, documentation, and JBA-quality components that maximize reliability. Explore our full Performance Engine Building program or compare power levels on the Engine Stage Comparison page. Each engine build reflects precise machining, careful measurement, and JBA-quality craftsmanship.
Why JBA’s Stage 1 Matters
A Stage 1 Performance Engine San Diego build is perfect for daily drivers, weekend cruisers, and classic car owners who want consistent power without sacrificing reliability. Every engine we build is measured, documented, balanced, and assembled by technicians who understand how to make horsepower last. With four decades of engine-building experience, JBA delivers the precision and confidence your project deserves.
WHAT'S INCLUDED IN A STAGE 1 ENGINE BUILD
Engine Block
- Factory Seasoned Block cleaned, Magnafluxed
- De-burr casting flash to relive stress risers
- Oil galleys and all holes drilled and tapped
- Bored up to 0.060 off crankshaft centerline
- Torque plate honed for proper ring sealing
- Surface decked minimum for proper gasket sealing
Cylinder Heads
- Stock Factory Heads cleaned, Magnafluxed
- New bronze guide liners installed & sized
- 3-angle valve job
- New hardened seats installed (if required)
- All bolt holes drilled and tapped
Crankshaft
- Factory crank cleaned, Magnafluxed, check for cracks
- Checked for straightness (straightened if needed)
- Factory correct 427 Chevy big block with Tri-Power (3 two-barrels)
- Grind and micro polish
Connecting Rods
- Factory Rods big and small ends re-sized for specific bearing clearance
- Beam ground to relieve stress risers
- Weight matched to within 0.5 grams
Engine Assembly
- Balanced and blueprinted
- Critical tolerances measured and documented
- Camshafts degreed and installed
- All bearings, gaskets, seals, internal parts measured, documented and assembled
The Stage 1 Performance Engine delivers classic drivability with modern precision—ideal for daily drivers, cruisers, and resto-mods. Built in San Diego by JBA Speed Shop, each engine reflects four decades of craftsmanship and proven performance. When you’re ready for more power, step up to Stage 2 or Stage 3 and keep building what moves you.
If you’re looking for dependable street power, the Stage 1 Performance Engine San Diego option offers the ideal balance of drivability, torque, and long-term reliability. Each Stage 1 Engine build is created by our ASE technician, which reflects precise machining, careful measurement, and JBA-quality craftsmanship. Each Stage 1 Engine build reflects precise machining, careful measurement, and JBA-quality craftsmanship.