Strip Demon GT45 Twin-Turbo Package for Round-Port Chevy Big-Blocks
A new twin-turbo starter package for Chevrolet/GM big-block V8 engines with round-port heads: 366, 396, 402, 427, and 454. Verify head-port shape and plumbing, and supporting components before ordering.
Listed Package Contents
- Two oil-cooled GT45 turbochargers
- Two TIG-welded 321 stainless tubular turbo exhaust manifolds
- Two oil-line kits with feed and return fittings, clamps, and turbo gaskets/hardware
- Gaskets listed for turbo, exhaust manifold, and wastegate flanges
- installation hardware
GT45 Turbo Specifications
- T4 exhaust-inlet flange
- 4-inch compressor inlet and 2.5-inch outlet
- 98 mm compressor exducer and 107 mm compressor air-inlet size
- 88 mm turbine inducer
- 1.05 A/R turbine housing
- Oil cooling with 1/8 NPT oil inlet
Manifold and Oiling Details
- 2.25-inch manifold primary tubes, large tubular design, and thick T4 flanges to support the turbos
- Ported and polished manifold design with polished finish
- Oil kits list straight high-strength feed lines, feed fittings, high-temperature oil return rated at 250 PSI and necessary fittings/clamps
Performance and Installation Notes
1200hp package depends on the full build and tune
Professional installation recommended