Miata MX5 camshaft specifications

1990-93 5-speed

90-93 Auto

88-89 GTX

Dur @

IN

EX

IN

EX

IN

EX

Adv. Dur. (.003")

236

250

.010"

220

233

.020

210

223

.040

?

?

?

?

.050

192

204

.080

?

?

.100

170

180

.150

147

156

.200

122

130

.250

90

97

.300

37

42

Valve Timing

5 BTDC

51 ABDC

53 BBDC

15 ATDC

5 BTDC

40 ABDC

55 BBDC

5 ATDC

5 BTDC

51 ABDC

69 BBDC

1 ATDC

Overlap.

20 (-5-15)

10 (-5-5)

6 (-5-1)

Base circle Diam.

1.3" (33mm)

1.3" (33mm)

1.3" (33mm)

1.3" (33mm)

1.3" (33mm)

1.3" (33mm)

Total Lift

.309" (7.86mm)

.311" (7.9mm)

.273"

(6.95 mm)

.306"

(7.79 mm)

Mazda 4 cylinder engines

Motor

Years

Bore

Stroke

CC

Models

1.3 B

1988-1993( USA )

71

83.6

1324

Ford Festiva. Japanese market got DOHC head option.

1.5 E/B5 SOHC

?

77

80

1490

GLC

1.6 SOHC B6 8V

?

78

83.6

1597

323, 90-92 Protege

1.6 SOHC B6 16V

?

78

83.6

1597

92-93 MX-3 (16V SOHC head)

1.6 DOHC B6P

1988-1995

78

83.6

1597

323 GTX, Miata, Mercury Capri/XR2, 94-95 MX-3

1.8 SOHC B8

1990-1992

83

85

1839

Protege

1.8 DOHC BP

1990-2001

83

85

1839

90-98 Protege, 91-96 Ford Escort GT, 94-01 Miata, Mercury Tracer LTS, 94-97 Kia Sephia GS

2.0 F/MA

1978-82

80

98

1970

RWD 626, B2000, Courier

2.0 FE

1984-87

86

86

1998

FWD 626/MX6, B2000

2.0 FE3 DOHC

1995+

86

86

1998

Kia Sportage

2.2 F2

1987-199?

86

94

2184

B2200, FWD 626/MX6, Ford Probe

2.0 DOHC FS *

1993+

83

92

1991

FWD 626/MX6, 1999+ Protege, Protege5

1.8 DOHC FP

1999+

83

85

1839

1999 Protege

1.5 ZL DOHC

1999+

78

78.4

1498

1999+ Japanese market Protege. Has VVT

1.5 Z5 DOHC

1995-98

75.3

83.6

1489

1999 Protege

1.6 Z6/M DOHC

1999+

78

83.6

1597

1999+ Protege