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Registered User
Join Date: Jan 2011
Posts: 17
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88 911 Engine 3.2 Rebuilt
Any recommendation what size piston combination with a 964 re ground camshaft.
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Registered
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Welcome to the clubhouse. If might help you get some answers if you were a bit less vague in what you are asking.
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'71 914-6 #0372 '17 Macan GTS |
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Registered
Join Date: Jan 2003
Location: Annapolis MD
Posts: 1,020
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What are you asking? Stock 3.2 build with 964 cam or how big can you go? 3.2 to 3.4 is a common upgrade with 964 cams. CR can be kept to at 9ish to not need to twin plug the engine.
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Registered User
Join Date: Jan 2011
Posts: 17
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Im in the process of rebuilding the engine. camshaft was reground to a 964 spec. Engine is stock . Need to know what piston compression ratio, mm.. Planning to replace it with JE pistons. There is one on ebay which I thing is a very good deal.
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Registered
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I believe you might be best served by talking with a reputable engine shop/builder that knows these engines well. Trying to cobble together an engine with parts from eBay that may or may not be a good deal, may result in a less than satisfactory result. Talk to an engine shop and tell them exactly what you want/expect from your engine, type of driving, etc. Let them spec it for you.
As an example, I had my '87 3.2 rebuilt stock with the exception of switching to 964 cams. I then added a Steve Wong chip. Aside from that the motor is a stock rebuild. I wanted to maintain factory reliability and drivability while adding a couple more HP. Good luck.
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'71 914-6 #0372 '17 Macan GTS |
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,500
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I just did a 3.4 with 10:1 JE and 20/21 cams..sounds real good.
Bruce |
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