flex plate [Archive] - Team Camaro Tech

: flex plate


Steve Freeman
Feb 10th, 06, 11:21 AM
does anyone know the torque spec's on the bolts holding the flex plate to the crank, it is on a small block?



thanks

69zz4ss350
Feb 10th, 06, 12:46 PM
These specs are from Summit racing.

Small Chevy

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Fastener Type Torque Spec

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7/16 in. outer main cap bolt 65 ft.-lbs.
7/16 in. inner main cap bolt 70 ft.-lbs.
3/8 in. outer main cap bolt 40 ft.-lbs.
11/32 in. connecting rod bolt 38-44 ft.-lbs.
3/8 in. connecting rod bolt 40-45 ft.-lbs.
Cylinder head bolts 65 ft.-lbs.
Screw-in rocker arm studs 50 ft.-lbs.
Intake manifold bolts (cast iron heads) 30 ft.-lbs.
Oil pump bolt 60-70 ft.-lbs.
Cam sprocket bolts 18-20 ft.-lbs.
Harmonic damper bolt 60 ft.-lbs.
Flywheel/flexplate bolts 65 ft.-lbs.
Pressure plate bolts 35 ft.-lbs.
Bellhousing bolts 25 ft.-lbs.
Exhaust manifold bolts 25 ft.-lbs.

CFunK
Feb 10th, 06, 02:17 PM
Trust me when I say this, use locktite on those bolts.

Camaro Dave
Feb 10th, 06, 03:27 PM
Also make sure to use ARP or equal quality grade bolts.