[SEL] Torque Setting for Head Bolts

Paul Maples paulmaples at sbcglobal.net
Sun Mar 11 08:57:57 PDT 2007


Thanks Peter I will go and check this site out.

Paul



> On 11/03/07, Paul Maples <paulmaples at sbcglobal.net> wrote:
>> Hey Gang what would be the proper amount of torque to apply to the head 
>> bolts on my 1905 5HP Vertical Stover. I know most everyone just tightens 
>> them until it feels right but I would like to torque them down before I 
>> try and start it.
>>
>> Thanks,
>>
>> Paul
>>
>
> Be careful using modern tables for early 1900's studs and nuts, the
> materials used then were NOT the same strength!
>
> Lister produced a table of torques for their earlier engines, and
> these are valid for almost anything built earlier than 1930.
>
> The table is reproduced on the end of the Lister Restoration and
> Rebuild article on our website:
>
> http://www.oldengine.org/members/diesel/Articles/rrchapt8.htm
>
> The top half of the table has values for Whitworth (Coarse) and BSF
> (Fine) threads which cover bolt/stud diameters up to 3/4" Whit and
> 5/8" BSF.
>
> Use whichever table is appropriate for the type of threads on your engine.
>
> Metric torque figures are also included for completeness and for those
> guys in Europe that don't have Foot Pounds on their torque wrenches.
>
> HTH
>
> Peter
> -- 
> Peter A Forbes





More information about the sel mailing list