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General Category => General Discussion => Topic started by: Kiwi_Roy on June 04, 2025, 07:44:12 PM

Title: V7III Oil Pressure Switch
Post by: Kiwi_Roy on June 04, 2025, 07:44:12 PM

I would like to add an oil pressure gauge to my V7III Special but I don't see a switch or lines in the usual position between the cylinders.

Does anyone have a picture of the switch location.

Thanks

Roy

Title: Re: V7III Oil Pressure Switch
Post by: Tom H on June 04, 2025, 11:25:43 PM

It's just in front of the bell housing and behind the cylinders, right in the middle where it's hard to get to.

Depending on the thread, there are fittings/manifolds that have a hole for the stock sender and a 1/8" pipe fitting or the like that you connect your gauge to. I would recommend and electric gauge over the one with the hose to the gauge.

Tom

Title: Re: V7III Oil Pressure Switch
Post by: Kiwi_Roy on June 05, 2025, 12:04:55 AM

Thanks Tom

Title: Re: V7III Oil Pressure Switch
Post by: John A on June 05, 2025, 12:21:56 AM

Be careful with the oil pressure switch on small blocks ,as I remember it the older ones have a locating pin for a cam bearing. I don’t know if they are still like that but I wouldn’t turn the engine over with it removed.

Title: Re: V7III Oil Pressure Switch
Post by: Kiwi_Roy on June 05, 2025, 12:53:18 AM

Quote from: John A on June 05, 2025, 12:21:56 AM

Be careful with the oil pressure switch on small blocks ,as I remember it the older ones have a locating pin for a cam bearing. I don’t know if they are still like that but I wouldn’t turn the engine over with it removed.

Thanks John

Title: Re: V7III Oil Pressure Switch
Post by: Tom H on June 05, 2025, 09:36:43 AM

I believe John A is correct, I forgot about that. So DO NOT use the fitting I mentioned.

Tom