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Registered
Join Date: Feb 2004
Location: Houston
Posts: 1,486
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Will this make 210Hp?
I was reading Doug's thread on Early hot rods, and saw that one of the cars on there was a 2.4S that changed the P&C and made it a 2.7
Question: Can I change the P&C on my 2.4T to make it a 2.7 and about 200 or 210hp or does more need to be done? I think that I would be happy with 190hp, anything over the 155hp I have now. Car in Question 
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Derek Oxford PCA - Nationally Certified Instructor 2002 Boxster S ( race car) 2010 LR4 2009 GMC Sierra (Porsche Support 2011 M3 4Door |
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05-31-2005, 01:34 PM
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Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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With RS pistons and cylinders or equivalent, yes.
However, you'll have to enlarge the crankcase spigots to accept the larger cylinders, so it's not exactly a bolt-on upgrade. S cams and modified MFI are also needed. Your port sizes should also be enlarged to S-equivalent; not sure about valve size. This upgrade is described in B. Anderson's book as well as Waynes rebuilding manual. With machine work, gaskets and new parts, you're looking at around 4 thou.; add someone's labor to D&A. Sherwood |
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05-31-2005, 01:44 PM
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Valve size is the same. You will need to recurve the distributor.
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'70 911E short stroke 2.5 MFI. Sold  '56 Cliff May Prefab |
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05-31-2005, 01:57 PM
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Location: Houston
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I seems better to just buy a 3.2 for about $6000
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Derek Oxford PCA - Nationally Certified Instructor 2002 Boxster S ( race car) 2010 LR4 2009 GMC Sierra (Porsche Support 2011 M3 4Door |
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05-31-2005, 03:54 PM
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1970 Porsche 911E
