SUMP SILICONE GASKET.

[Rpm]

Hi Forum members, what are the positives and negatives of silicone sump gaskets over the paper type.
Regards RPM

[Reckless Rat]

Providing all your studs are ok, it's a fit and forget option, and they dont leak. Fit them dry.

[Barry Townsend]

I used one to cure a leaky sump joint. I also used a fibre washer on each of the bolts as well as the proper flange washers, result - an oil tight bottom end. They’re a bit more expensive but well worth itj

[Ruairidh Dunford]

As others have said, fit bone dry and use fibre washers.

Do not over tighten, just on the crush is best.

Fit and forget, job’s a good-un.

[David Stepney]

And there was me thinking that Seven engine oil leaks were 'de rigeur' and one of the many patents listed on the dash plate!

[Nick Salmon]

And how, may I enquire, is one supposed to lubricate the underside of one's 7 and the top side of one's driveway if, by the use of these new-fangled silicone thingies, the oil is retained within the sump?

[Steve kay]

Fear not, having carefully followed Rhuairidh's instructions on how to fit gasketry purchased from Jamie or made up from silicon sheets from a specialist catering supplier, the Ruby is as close to oiltight as possible. Austin Seven oiltightness is, however, a concept of its own, and whilst consumption is down to a pint of oil only for several hundred miles or so, a thin protective film is still applied to the underside. A huge improvement over a total loss early JAP, or indeed a Spamcan.

["Slack Alice" Simon]

Agree, even with oil tight sump, silicon gaskets elsewhere, oil appears - all that happens is the rate slows down quite a lot.

[John Mason]

Silicon sump gaskets. The best thing since sliced bread. No more nasty complaints from “Her who must be obeyed” about oil stains on the driveway. Since I fitted one I have got my stripes back.

John Mason

[Rpm]

Well, everyone that looks like a great big Yes and a thumbs up for silicone sump gaskets. Thank you so much. Rob