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914-6 GT | profile | all galleries >> NP - The 914-6 GT Project >> NP 2.8 RSR Twin-Plug Race Engine #1 >> Early 911 2.0 Liter Aluminum Crankcase to 911 RSR Crankcase Conversion Project >> Crankcase Modification to Accept the Late Marelli 2.8 RSR Twin-Plug Distributor tree view | thumbnails | slideshow

Crankcase Modification to Accept the Late Marelli 2.8 RSR Twin-Plug Distributor

ENGINE TYPE: 901/05 (5032?) https://pbase.com/image/28169295

SERIAL: 908164 https://pbase.com/image/28169293

As we all know, the early 2.0 liter crankcases https://pbase.com/9146gt/image/96707606 was designed to use a 27mm neck distributor such as the 'early type' Marelli distributor https://pbase.com/9146gt/image/32536440, as opposed to the 2.8 RSR crankcase which uses a larger 30mm neck distributor like the 'late type' twin-plug Marelli https://pbase.com/9146gt/image/96705483.

To secure the distributor in place, the early Marelli uses a 'clamping collar' https://pbase.com/9146gt/image/23605097 while the late Marelli uses a threaded-stud and its slotted body to lock-it in place.

This photo sequence shows the required modifications to the early 2.0 liter crankase for this conversion.
Early 2 Liter to 911 RSR in 150 Hours - Photo 32.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 32.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 33.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 33.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 34.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 34.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 35.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 35.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 36.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 36.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 37.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 37.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 38.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 38.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 39.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 39.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 40.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 40.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 41.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 41.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 42.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 42.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 43.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 43.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 44.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 44.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 45.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 45.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 46.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 46.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 47.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 47.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 48.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 48.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 49.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 49.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 50.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 50.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 51.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 51.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 52.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 52.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 53.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 53.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 54.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 54.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 55.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 55.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 56.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 56.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 57.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 57.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 58.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 58.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 59.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 59.jpg		 Early 2 Liter to 911 RSR in 150 Hours - Photo 10.jpg
Early 2 Liter to 911 RSR in 150 Hours - Photo 10.jpg

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