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Registered
Join Date: Nov 2004
Posts: 98
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1973 Carrera RSR Rennsport M491
Hi all,
The 1973 Carrera RSR Rennsport - Carrera Model M491 2.8 Liter engine, was that a bored out version of the 1973 2.7 Carrera RS 2.7 Liter engine, same block? What were the bore and stroke figures on the 2.8. Thinking about doing a replica of the 2.8. Cheers CRS
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Coral Red Syd - "For Those Who Love to Fly... On The Ground" |
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05-05-2008, 02:24 PM
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Join Date: Dec 2001
Posts: 9,569
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92 x 70.4. A replica could be built on a 2,7 case and crank (as original) or on an SC case and crank (same stroke, you would need SMALLER cylinders than those that came on the SC)
"Block" is really a misnomer as you are describing the cylinder bore dimension.
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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05-05-2008, 02:32 PM
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The really hot ticket is to get yourself a 3.0 litre turbo case and start from there...finding one and then paying for it is the main sticking point.
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74 911s neverending story. two feet and a jetta for now. |
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05-05-2008, 04:16 PM
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Thanks, 92 mm. Yup I probably should have said 'case'.
Oh yes, one can dream of a 3.0.... seems the 2.7s are coming on the market a little more right now. Thanks again, cheers CRS
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Coral Red Syd - "For Those Who Love to Fly... On The Ground" |
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05-06-2008, 03:36 PM
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1974 Porsche 911S 1978 3.0 SC
