can anyone tell me the exact location and mounting of the earth strap under the drivers side engine mount?

i think it bolts on top of the mount and under the mount is that right?

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'66 BRG Morris Mini Deluxe 60HP ATW

NO.
One end goes onto the clutch cover bolt below the starter shroud, the other to a hole in the RH inner guard.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Ok so this is wrong?

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'66 BRG Morris Mini Deluxe 60HP ATW

Ok thanks Doc, i understand now. cheers kev.

Jason

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'66 BRG Morris Mini Deluxe 60HP ATW

I don't see why that wouldn't work. All you need to do is bridge the rubber mounts. The electrons just need to flow from the engine to the body (or is the other way round?? . So as long as the earth lead allows this it doesn't really matter where its attached.

Cheers, Ian

Yeah problem is you're just bridging the engine mount to the subframe, and there's no guarantee that the subframe is 100% earthed/grounded. Just as easy to put it to the inner guard which is guaranteed to be ground, as the battery earth strap in the boot is also connected to the body.

cheers

Jacob

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'72 Clubman Van - 1022cc, 295 head, 731 cam - Daily Driver
'69 Morris 1100 S - Dinged by a bus, in shed under repair
'64 Morris 1100 - Early 1100, long term project

It certainly could do the job well, if the contact points on the subframe are kept clean and paint free (It passes close to 100 amperes at full load), and at least you wouldn't ever forget to take it off.

The normal connection point has a captive nut welded onto the chassis which nearly always guarantees a solid connection.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.