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Wossner Rod Bolt Torque Installation
Installation Instructions for ARP L19 Rod Bolts
Specifications for the supplied rod bolts
|
|
Bolt |
Thread Dia (in) |
|
UHL (in) |
|
ARP |
L19 3/8 x 1.500" |
3/8 |
UNF |
1.500" |
|
ARP |
L19 3/8 x 1.750" |
3/8 |
UNF |
1.750" |
|
ARP |
L19 5/16 x 1.500" |
5/16 |
UNF |
1.500" |
ARP specifies as follows:
|
ARP |
L19 5/16x1.500" |
UNF |
1.500" |
|
Desired stretch is .0050"-.0055" A maximum torque value of 40ft/lbs will need to be reached; if your stretch value is reached well before the 40ft pounds then you may need new fasteners. |
|||
|
ARP |
L19 3/8x1.750" |
UNL |
1.750" |
|
ARP |
L19 3/8x1.500" |
UNL |
1.500" |
|
Desired stretch is .0052"-.0055” for 1.500” and .0060”-.0065” for 1.750” length bolts. A maximum torque value of 65ft/lbs will need to be reached; if your stretch value is reached well before the 65ft pounds then you may need new fasteners. |
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We recommend to only using the supplied ARP Ultra torque fastener assembly lube. This lube reduces friction about 25-30% in comparison to engine oil.
The above mentioned values are valid only if the thread and seat area of the bolt have been lubed properly.