MPJG Engine Bolt Specifications
By
Robert F. Butson
|
Fastener location |
Qty Req. |
Fastener Description |
|
Front
mounting plate to block |
9 |
M8x1,
length 20mm. Bolt. 4mm unthreaded. Head size 5/16 BSF. |
|
Flywheel
casing to block |
11 |
M8x1,
length 20mm. Bolt 6mm unthreaded. Head
thickness reduced to 4mm. Head size5/16 BSF. |
|
Block to
flywheel casing |
2 |
M8x1,
length 46mm. Bolt 28mm unthreaded. Head size 5/16 BSF. |
|
Clutch
cover to flywheel |
6 |
M8x1,
length 22mm. Bolt 5mm unthreaded. Head size 1/4. BSF. |
|
Clutch
housing (bell housing) to flywheel housing |
8 |
M10x1.5,
length 28mm. Bolt 10mm unthreaded. Head size 3/8 BSF. |
|
Timing
chain cover to front mounting plate |
11 |
Seven:
Through mounting plate to block. M8x1, Length 20mm. Bolt 5mm unthreaded. Head
size 5/16 BSF. Four: Into mounting
plate, M8x1, length 11mm. Set screw Head size 5/16 BSF. |
|
Sump oil
pick up pipe to block |
2 |
M6x .
length 38mm. Bolt 28mm unthreaded. |
|
Sump to
block |
12 |
Ten: M8x1,
length 26.5mm. Bolt 12mm. unthreaded. Head size 5/16 BSF. Two: M8x1,
length 30mm Bolt 12mm. unthreaded Head
depth 8mm, Head size 5/16 BSF screwdriver slot. |
|
Block to
sump |
4 |
M8x1,
length 26.5mm. Bolt 12mm.unthreaded.
Head size 5/16 BSF. |
|
Flywheel to
crankshaft |
|
|
|
Tappet
Guides to block |
4 |
M10x1.5,
length 45mm. Bolt 24mm unthreaded. Head thickness 8.5mm. Head size 3/8 BSF. |
|
Oil gallery
plugs |
3 |
M8x1,
length 8.5mm. Setscrew. Head size 1/4BSF. |
|
Camshaft
bearing locking screw |
2 |
M8x1,
length 16mm. Setscrew. Head size 1/4BSF Spigot at end 4mm long x mm diameter. |
|
Dynamo
bracket to block upper |
1 |
M8x1,
length 15mm. Bolt, 4mm unthreaded. Head size 5/16 BSF. |
|
Dynamo
bracket to block lower |
1 |
M8x1,
length 12.mm. Bolt 4mm unthreaded. Head size 5/16BSF. |
|
Dynamo
front bolt to front engine mount |
1 |
M10x1.5
length 41mm Bolt. 15 mm unthreaded. Head size 3/8 BSF. |
|
Starter
motor to flywheel casing |
3 |
Two:
M10x1.5, length 33mm. Bolt. 10mm unthreaded. Head size 3/8BSF. One:
M10x1.5, length 28mm. Bolt. 10mm unthreaded. Head size 3/8BSF. |
|
|
1 |
M12x1.5, length 19mm Bolt 3mm unthreaded Head size 7/16
BSF. |
|
Timing
Chain Cover |
11 |
See below |
|
- Cover to
front mounting plate |
5 |
M8x1,
length 13mm Bolt 5mm unthreaded. Head size 5/16 BSF. |
|
- Cover
through front mounting plate |
3 |
M8x1,
length 15mm Bolt 5mm unthreaded. Head size 5/16 BSF. (Nuts used) |
|
- Cover
through to block |
3 |
M8x1.
length 20mm Bolt 5mm unthreaded Head size 5/16 BSF. |
|
|
8 |
M8x1.
Length 28mm Bolt 10mm unthreaded. Head size 5/16 BSF. |
|
Oil pump
bolts |
|
M6 x 1.0mm
all have 20mm of thread and 3/16ww heads. Two of 76mm overall length. Two of 72mm overall length. Four
of 59mm overall length. |