Showing specs for all NA & NB Miatas

Camshaft lobe height (Mazdaspeed)

Standard height (mm {in}) BP with TC IN 44.8 {1.764} EX 44.9 {1.768} Minimum height (mm {in}) BP with TC IN 44.6 {1.756} EX 44.7 {1.760}Standard height (mm {in}) BP with TC IN 44.8 {1.764} EX 44.9 {1.768} Minimum height (mm {in}) BP with TC IN 44.6 {1.756} EX 44.7 {1.760}

Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

Measure lobes at the specified two points. Turbo intake lobe values differ from the normally aspirated BP column.

Applies to
  • NB 2004–2005 (BP-Z3-TURBO) — 2004 factory turbo-engine evidence; 2005 inferred within MSM family.
  • Verified in: 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turbo

Sources (1)

View 1 source citations
  • 2004 Mazda Engine Workshop Manual BP (1.8L), normally aspirated and turboTier 1
    Page 01–10–21 (PDF p. 33) · Printed value & notes
    Part no. 9999-95-EWBP-04
    Page 01–10–21 (PDF p. 33)
    Printed: “Standard height (mm {in}) BP with TC IN 44.8 {1.764} EX 44.9 {1.768} Minimum height (mm {in}) BP with TC IN 44.6 {1.756} EX 44.7 {1.760}”