Head bolt tension

[Peter in Aus]

Dose any one know what tension to pull the head bolts down to of the long stroke A7 iron head?

[a10 gf]

Hello, service manual says 'real tight' 
Many topics about this, try searching for head torque or similar and see if anything applies to the longstroke. example: http://www.a7a10.net/forum/index.php?topic=2721.msg17865#msg17865

[muskrat]

G'day Peter, I'm not sure of the official factory spec but would say 30ft/lb should be good. The main thing is to have them done up evenly.
Cheers

[Peter in Aus]

Thanks all
Its a pity they didn't say how tight?
Cheers
Peter

[bsa-bill]

Its a pity they didn't say how tight?

Back in the day (as they say) few owners would possess a torque wrench, possibly your local garage might have one to borrow (cheekily) but not guaranteed to have one either

[Butch (cb)]

I was once told that for my iron head I should pull down the bolts as tight as I could.

[bsa-bill]

I recall (1963 ish) Joe a mechanic at Darling and Swinney's asked his boss  how tight he could pull up a big nut on a Honda "as tight as YOU can pull it" replied Jim Darling --- Piiiiiing

Ah yes when men were men

but back to subject in hand - pretty sure mine were pulled to 35lbs, main thing is pull hand tight then small steps one stud at a time in the specified order up to whatever

[duTch]

 

It has worked fine ever since. Time and money well spent.
John

 Was looking for something in the 'Service Sheets' the other day,(probably not longstroke stuff tho') , and the advice on something critical was 'really tight', might've been bigends.....?