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Engine block / head studs

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jollysoutherner

Original Poster

154 posts

224 months

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Tuesday 16th April

I'm replacing head gasket on a 1946 Sunbeam Talbot 10. (1185cc side valve). Taken 7 hours to lift head but thankfully nothing broke, the original studs are not in the best shape and wish to replace.

Studs are BSF and selection of lengths, does anyone know is EN16T is a suitable material in this instance?

Thanks

stevieturbo

17,268 posts

248 months

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Tuesday 16th April

Can't comment on specifics...but I'd think given the very modest application, even a 8.8 and certainly 10.9 grade would be more than ample unless they're tiny.

Would it be sacrilege to drill/tap/helicoil to a fastener easily sourced ?

paintman

7,689 posts

191 months

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Tuesday 16th April

Quick google suggest BSF studs are available.
If the threads they go into are in good condition stick with what's on it.

jollysoutherner

Original Poster

154 posts

224 months

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Tuesday 16th April

Thanks, sadly the threads aren't the best. Could clean up but for sake of new studs would prefer to replace.

Really don't fancy converting to bolts.

I can't obtain a full set of OEM, so a mixture of old and new or replace the lot machined from EN16T.

New valves were off the shellf. cloud9

E-bmw

9,234 posts

153 months

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Tuesday 16th April

jollysoutherner said:

Thanks, sadly the threads aren't the best. Could clean up but for sake of new studs would prefer to replace.

He meant the threads that the studs screw into.

richhead

878 posts

12 months

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Tuesday 16th April

a decent engineering shop should be able to hardness test the old studs, just go from there, i would imagine the tourque isnt that high, so most modern steel should be ok.

HJG

464 posts

108 months

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Thursday 18th April

EN16T would be fine.
Absolute worst case it's going to be grade 8,8 equivalent

jollysoutherner

Original Poster

154 posts

224 months

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