Lock tabs on mains - 1098cc

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Lock tabs on mains - 1098cc

Post by gs.davies »

After two sets of Minispares lock tabs crushing and spinning long before torque was reached, leaving nothing for the locktab to lock against, I’m yet again, stuck.

Any recommendations on ways round this? I was hoping to have got my engine and box married up today and this is the only thing now stopping that happening so it’s pretty frustrating.

Gary
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Re: Lock tabs on mains - 1098cc

Post by Minigman »

Just ditch the lock tabs.

They’re all pants quality so I was advised to leave them out. So far so good.
- You must have shot an awful lot of tigers, Sir.

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Re: Lock tabs on mains - 1098cc

Post by Dearg1275 »

If you really want lock tabs, get some decent steel and make your own.

D
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Re: Lock tabs on mains - 1098cc

Post by gs.davies »

Minigman wrote: Tue Aug 03, 2021 5:26 pm Just ditch the lock tabs.

They’re all pants quality so I was advised to leave them out. So far so good.
What bolts did you use? Standard A series bolts? Any loctite?
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Re: Lock tabs on mains - 1098cc

Post by bwaminispeed »

It's long been known, and, advised not to use lock tabs on mains or rods.....

Loctite or not is a personal choice.....I don't use it....
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Re: Lock tabs on mains - 1098cc

Post by Herbert »

Ive got some genuine "old" locktabs that may help. PM me your address and I will put some in a jiffy bag, no charge, just donate something to the forum once you get them and your happy. R
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Re: Lock tabs on mains - 1098cc

Post by Hipwell »

Bin the lock tabs, torque bolt to spec. No matter how good the lock tabs they are not good enough.
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Re: Lock tabs on mains - 1098cc

Post by Desmodromic »

Hipwell wrote: Tue Aug 03, 2021 7:20 pm Bin the lock tabs, torque bolt to spec. No matter how good the lock tabs they are not good enough.
Agreed, I never use locktabs on Conrods on any engine, BMC, Ford or whatever. The correct torque is important though.
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Re: Lock tabs on mains - 1098cc

Post by iain1967s »

I've never used tabs. Just a little blue loctite, then torque correctly as others have said.
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Re: Lock tabs on mains - 1098cc

Post by Exminiman »

Hipwell wrote: Tue Aug 03, 2021 7:20 pm Bin the lock tabs, torque bolt to spec. No matter how good the lock tabs they are not good enough.
And maybe change the bolts, they look like the original ones........
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Re: Lock tabs on mains - 1098cc

Post by gs.davies »

Exminiman wrote: Wed Aug 04, 2021 6:25 am
Hipwell wrote: Tue Aug 03, 2021 7:20 pm Bin the lock tabs, torque bolt to spec. No matter how good the lock tabs they are not good enough.
And maybe change the bolts, they look like the original ones........
That’s crossed my mind but given my experiences with the current stuff available…

If I did get new bolts, any recommendations?
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Re: Lock tabs on mains - 1098cc

Post by mk1 »

Bit of thread lube on the bolt & on the tab would have stopped this happening. Having said that, I wouldn't use lock tabs on mains or big ends.
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