Engine flywheel

Make

Alfa Romeo

Model

GTV / Spider GTV and Spider (916) Factory Service Manual

Year

1995–2000

Section

Technical features (T. Spark 16V) › Engine flywheel

00 Technical data and maintenanceEngine flywheel

Engine flywheel

Centre bush I.D. (bore) "a"	47.010 ÷ 47.035 mm
Crown wheel heating temperature for assembly on engine flywheel	80° ÷ 100°C

CONNECTING ROD-PISTON ASSEMBLY

Piston

Unit: mm

Piston diameter "a" (1)	Class A - Blue	81.952 ÷ 81.962
	Class B - Pink	81.960 ÷ 81.970
	Class C - Green	81.968 ÷ 81.978
	Oversizing 0.1
First seal ring seat height "b"		1.520 ÷ 1.540
Secong seal ring seat height "c"		1.510 ÷ 1.530
Oil scraper ring seat height "d"		3.010 ÷ 3.030
Pison pin holes diameter in pistons "e"		20.002 ÷ 20.007
Clearance between cylinders and pistons		0.038 ÷ 0.062
Weight difference between pistons		± 5 g

(1) To be obtained perpendicularly at the piston pin hole, at a distance of 12.5 mm from the skirt lower edge.

Connecting rods

Unit: mm

Diameter of bushing hole on connecting rod small end "a"	20.006 ÷ 20.012
Connecting rod head I.D. "b"	53.897 ÷ 53.909
Weight difference between connecting rods	≤ 5 g
Clearance between piston pins and connecting rod small end bushings	0.006 ÷ 0.016
Connecting rod small end axial clearance	0.25 ÷ 0.6

02 Maintenance