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802 Review
67 Karma

Review on πŸ’¨ ALTA AMP-TAC-100 Blow-Off Valve Spring: Enhanced Performance for Optimal Boost Control by Tom Lantz

Revainrating 1 out of 5

Spring 2 cents. best in engine parts

Doesn't do anything on an automatic Mini Cooper. There was no improvement in response or boost. Installation was also difficult. It is very difficult to get to the screws of the DV.

Pros
  • Dump Valves
Cons
  • Some Cons