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Registered
Join Date: Mar 1999
Location: Vacaville, CA
Posts: 605
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Need advice on heads for 2.8L build
Looking for info on what port size and valve size to go with for a 2.8L build (long stroke). Going to be using 2.7L heads (from a 74' no smog ports).
Also looking to go twin plug with these cylinder heads. Engine will be used for a street car (914-6). Thanks in advance! Dominic |
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10-16-2009, 11:43 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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What cams will you be running??
Head specifications depends on RPM range and required airflow therefore camshaft profile determines what head configuration you need.
__________________
Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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10-17-2009, 08:23 AM
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Registered
Join Date: Mar 1999
Location: Vacaville, CA
Posts: 605
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Steve,
I would like some advice on the Cam as well. I would love to build an engine with a broad torque band. I don't want an "S" profile with all of the HP/torque at 7000rpm, looking for something with a usable band of torque for a fast street car. Thanks for your help! Dominic |
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10-17-2009, 01:57 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Quote:
I'd recommend a Solex cam for a good 2.8 but be careful about compression ratio if you need to run on pump gas. Stock 2.7 heads, suitable modified for the 92mm P/C's, will serve you very well.
__________________
Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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10-17-2009, 02:12 PM
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