Black 1990 GTUs, only 100 GTUs's made in '90, only 10 of those in black. Makes 531rwhp @ 18 psi so far.

Latest pics:

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My new turbo, GT4294:

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The new ports:

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Heres a few pics of the manifold I built, before polishing and decking.

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Engine:
Rebuilt S5 13BT
Half bridgeport
Racing Beat 80 psi oil press. reg.
Secret Element baffle plate
Rotary Aviation 2mm apex seals
304 SS 4" dia. turboback exhaust
HKS SSQV
Black Magic electric fan
K&N filter
Greddy FMIC kit
relocated battery
Koyo aluminum radiator
Garrett GT4294
321 SS turbo manifold with 304 SS flanges
HKS 50mm racegate
FD3S ported and polished throttle body
Aluminum sheet & tube intake manifold

Drivetrain:
Complete T2 drivetrain swap
Spec Stage 3 6-puck with 10lb flywheel
Manual rack conversion
MazdaRacing.com Shortshift kit and custom knob
Racing Beat torque brace

Electronics:
Microtech LT-8s
Greddy boost controller
AutoMeter guages
Greddy turbo timer
Nordskag intake temp guage

Fuel:
Two Walbro 255 pumps
Custom primary and secondary fuel rails
1000cc primary injectors
1600cc secondary injectors
Aeromotive FPR

Ignition:
Magnacore 10mm wires
Jacobs FC-3000 CDI
MSD coils