You can get a sandwich plate with gauge take-offs.
I saw one on eBay some time ago when I was planning it for another car.
In fact here's one, so just ask the guy if he can supply it to fit your car.
http://www.ebay.co.uk/itm/UNIVERSAL-OIL-...27d7b8ad1e
I saw one on eBay some time ago when I was planning it for another car.
In fact here's one, so just ask the guy if he can supply it to fit your car.
http://www.ebay.co.uk/itm/UNIVERSAL-OIL-...27d7b8ad1e