Purchased as a stock brown 13b RX5, it has been modified over the years from standard to a 13b extend port, to 13b bridge port, to currently having for the last 9 years a 13b turbo conversion from a Mazda RX7. During that time it's been modified to be a fast & reliable 11 second street car. The current engine was built in 1999 and has always put out over 300 rear wheel horsepower.
The RX5 ran its best time of 11.71 recently which you can view below. As we found out on the day it still had a few issues to sort out as it had hesistant 3rd gear acceleration due to a rich tune and dirty plugs. I had been driving the RX5 as a daily every day for the previous 3 months. The 11.71 was run on a safe 14psi without the transbrake.

It now has a Garrett T04Z turbo replacing the TA45.
A new 3 inch Rotaflow exhaust system and Malpassi fuel regulator.
Mazda RX8 seats have also been installed replacing the standard RX5 seats. The drivers seat retains its full electrics.

Matching RX8 rear seats are currently being fitted to the RX5. While its always been possible to fit 3 adults in the back uncomfortably, it will now be a comfortable 2+2 seater.


13b turbo series 4 RX7 engine, extend port, dowelled, 3mm hurley seals, 4x extra injectors
Garrett T04Z turbo, 1.00 exhaust housing
Full manual race prepped Jatco 3 speed auto with transbrake, 4K Dominator convertor, transcooler, B&M Pro-Stick shifter with transbrake button.
Exhaust is now full 3 inch mandrel with 2 resonators, one a Rotaflow resonator and Rotoflow exhaust
62mm Greddy extrernal wastegate with screampipe, Type R BOV
Micks Metalcraft custom made front mounted intercooler, 3 inch stainless steel piping
PWR aluminium radiator
Turbosmart boost controller, low/high in-cabin dash switch
Microtech MTX8(upgraded), Microtech turbo timer, Microtech Dash
2x600hp fuel pumps, 2x 1/2 inch fuel lines, surge tank
Polished B45 Simmons wheels
2 Pak Black
Weight - 1160kg, 1240kg with driver
300rwhp @ 14psi on street fuel BP ultimate, 3rd gear powerrun.
Performance:
Best 1/4 - 11.71 T04Z turbo
0-100kph in 3 seconds
0-150kph in 7 seconds
0-192kph in 11.7 seconds
Interested in the buildup of this RX5 right from the beginning?
Read on to page 2
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