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273 Posts
Discussion Starter · #1 ·
I did some dyno run to tune my car with my new setup. The first 5 run was good (run rich but with no problem) but when after that, each time lift engage, we hear a weird sound. Something like that: (thats not my car, i dont have any video of my car for now but the sound is the same)

Only weird sound when lift engage. Lift bolt, ocv filter, cams and rocker are ok.

Current mods:

Mwr flat valve
Mwr spring valve
Mwr retainer
Cosworth 0.38 head gasket
Piper cam stage 3

Any idea/suggestion for what can do that!?

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