Mazdaspeed 3 - VVT & Timing Chain Replacement

In this video we take on the infamous VVT job on the MZR 2.3 disi engine in the Mazdaspeed 3. Although we had done the job in the past, we forgot to SET CHAIN TENSION, so we did the job again to make sure we are ready to turn up the boost with the new big turbo. Enjoy the video! Please like, share, and subscribe :)

Tips:
- Set the engine at TDC before removing timing components, to avoid piston to valve interference.
- Remove timing tools when loosening and tightening components, to prevent damage to timing tools, cams and block.
- When locking the cams, make sure the intake and exhaust cam lobes for cylinder 1 are facing each other at a 45 degree angle (this indicates TDC).
- Replace the crank pulley bolt as it it a stretch bolt (replacing the cam sprocket bolts is also recommended).
- Replace all friction washers, including the ones for the cam sprockets to ensure engine stays in time.

Since we already had the JBR 88A rear motor mount installed, we went ahead and installed the JBR 80A passenger, and 88A transmission motor mounts when putting it back together. *** I have since switched to Damond Motorsports Passenger & Transmission motor mounts, along with a Corksport Stage 2 Rear motor mount.

Crank Pulley Counter-hold Tool Part # LRT-12-093 (this is an old Land Rover special tool that worked perfectly for us, but any other spanner of similar size with holes approximately 3 inches apart should work.

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Mods in this video:
1. Snow Performance Stage 1 WMI Kit
2. Cobb Accessport V2 (self tuned)
3. Bfg G-force Comp 2 All Seasons
4. Jbr Oil Catch Can (vta setup)
5. Ngk One Step Colder Plugs
6. Cpe Top Mount Intercooler
7. Jbr 88a Rear Motor Mount
8. Jbr 88a Trans Motor Mount
9. Jbr 80a Pass Motor Mount
10. Autotech HPFP Internals
11. Eibach Lowering Springs
12. Cnt Catted Downpipe
13. Koni Yellow Shocks
14. Volk TE37 Replicas
15. Raceland E-Cutout
16. Cobb 3 Port Ebcs
17. Resonator Delete
18. Htp Full 3" Intake
19. Bnr S4 V2 Turbo
20. Forge Bpv V1