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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 tree view | thumbnails | slideshow

Early 911 2.0 Liter Aluminum Crankcase to 911 RSR Crankcase Conversion Project

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

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

This is certainly, without question, a "one-of-a-kind" Early Two-Liter Aluminum Sandcast crankcase https://pbase.com/9146gt/image/28169288 as I seriously doubt anyone will ever spend over 150 hours implementing all of the necessary modifications to convert it from normally aspirated to MFI at this same level of cosmetic accuracy and detail. This is a piece of art! https://pbase.com/9146gt/image/99956203

The photos contained is these galleries document the numerous modifications done to this early two-liter case to almost duplicate my factory 911 RSR 3.0 liter crankcase. The modifications included changes to allow the use of: 1) a 2.8 RSR Late Marelli Twin-Plug Distributor https://pbase.com/9146gt/image/99956253 with the larger 30mm neck https://pbase.com/9146gt/image/99956266 2) Late Camshaft Housings https://pbase.com/9146gt/image/99956248 3) 92mm MAHLE RSR Pistons and Cylinders https://pbase.com/9146gt/image/99956198 4) 1.5mm Oil Squirters https://pbase.com/9146gt/image/99956259 5) BOSCH MFI Fuel Pump Support https://pbase.com/9146gt/image/99956264

This photo https://pbase.com/9146gt/image/96707555 shows the more common cosmetic results while implementing the MFI Pump Support modification on most early 2.0 liter Aluminum crankcases. Compared to this photo https://pbase.com/9146gt/image/99956264 you can clearly see where the extra hours of time where spent, there really is NO comparison.

The early 2.0 liter Aluminum Sand-Cast crankcases were designed to use a 27mm shaft https://pbase.com/slidevalve911rsr/image/53524561 distributor such as the "early" Marelli Twin-Plug Distributors https://pbase.com/9146gt/image/32536440 but we changed my early case to accept the larger 30mm diameter shaft of the 2.8 RSR Marelli twin-plug distributor https://pbase.com/slidevalve911rsr/image/53524563 succesfully achieving the correct 2.8 RSR look. BTW, this case was also shuffle-pinned, but I don't yet have photos posted of that modification.
The Arrival of the Engine from Germany...
<< The Arrival of the Engine from Germany... >>
Early 2.0 Liter Alloy Sand Cast Engine Crankcase...
<< Early 2.0 Liter Alloy Sand Cast Engine Crankcase... >>
Early 2.0 Liter to 3.0 Liter RSR Crankcase Comparison...
<< Early 2.0 Liter to 3.0 Liter RSR Crankcase Comparison... >>
Quick Mod Conversion to 30mm Marelli TP Distributor & MFI BOSCH Pump Support
<< Quick Mod Conversion to 30mm Marelli TP Distributor & MFI BOSCH Pump Support >>
Crankcase Modification to Accept the Late Marelli 2.8 RSR Twin-Plug Distributor
<< Crankcase Modification to Accept the Late Marelli 2.8 RSR Twin-Plug Distributor >>
Late Chain-Box Modifications
<< Late Chain-Box Modifications >>
MFI Pump Support Modification
<< MFI Pump Support Modification >>
Before and After
<< Before and After >>
Completed!
<< Completed! >>
eBay Germany - Asking Euro 6,795 / $9,062
<< eBay Germany - Asking Euro 6,795 / $9,062 >>