What Are My Engine Valve Clearance And Head Bolt Torque Specs?
The chart below lists the cylinder head bolt torque specifications and valve clearance settings for certain Perkins® and Ford® Industrial engines as well as a number of other older industrial engine brands and models.
|
Cylinder Head Torques and Valve Clearance
|
Cylinder Head Torques
|
Valve Clearance |
| Perkins Engine Model |
Intake |
Exhaust |
| 3.152-4.203 |
70 ft. lbs. |
.012 |
.012 (cold) |
| 4.203.2 |
70 ft. lbs. |
.008 |
.012 |
| 4.108 |
60 ft. lbs. |
.012 |
.012 (cold) |
| 4.154 |
85 ft. lbs. |
.012 |
.012 (cold) |
| 4.236-4.248 |
100 ft. lbs. |
.012 |
.012 (cold) |
| 4.318 |
100 ft. lbs. |
.012 |
.012 (cold) |
| 6.354 |
100 ft. lbs. |
.012 |
.012 (cold) |
| 6.354.4 (1/2) |
115 ft. lbs. |
.008 |
.018 |
| 6.354.4 (5/16) |
28 ft. lbs. |
|
|
| V8-510-540 |
125 ft. lbs. |
.012 |
.012 (cold) |
| Continental – TMD Series |
| M10 |
50-55 ft. lbs. |
.014 |
.018 |
| M12 |
90-95 ft. lbs. |
.014 |
.018 |
| All Flat Head Engines (by Bolt Diameter) |
| 3/8″ |
35-45 ft. lbs. |
Y112,F135,F163 |
.012 |
.020 |
| 7/16″ |
70-75 ft. lbs. |
F227,F245 |
.012 |
.020 |
| 1/2″ |
100-110 ft. lbs. |
M330,M363 |
.017 |
.020 |
| 9/16″ |
130-140 ft. lbs. |
B427 |
.017 |
.022 |
| All Overhead Valve Engines |
| Ford 172 / 192 |
>115 ft. lbs. |
.014 |
.016 (hot) |
| Ford 6.300 |
75 ft. lbs. |
HYD |
HYD |
| Ford 2300 |
90 ft. lbs. |
HYD |
HYD |
| GM 6.250 |
95 ft. lbs. |
HYD |
HYD |
| GM 4.153-181 |
95 ft. lbs. |
|
|
| GMC V6.305 |
70 ft. lbs. |
.012 |
.015 (hot) |
| GM 4.3L |
65 ft. lbs. |
HYD |
HYD |
| Herc G-1600 |
65 ft. lbs. |
.015 |
.015 (hot) |
| (1404 CAT) |
|
|
|
| Wauk D-155-176G |
90 ft. lbs. |
.010 |
.020 (cold) |
| Cont G-193 |
105 ft. lbs. |
.014 |
.014 (cold) |
| A/C G-153-230 |
100-110 ft. lbs. |
.015 |
.015 (cold) |
| Chry H-225 |
70 ft. lbs. |
.014 |
.026 (cold)
|
|
We hope you found these specs useful, but if you have any questions, please reach out to either info@foleyengines.com or call us at (866) 821-2387. If you found these useful for your Perkins, you may need some gaskets to seal things up right which you can browse here on our website. We also carry a much larger inventory than just what is on the website, so don’t hesitate to call so we can ship you the right part the same day!
