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www.ALBERTOBILLA.it
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Help me please!!! 180 ° degrees cams
hi!..i have a big problem...i have racing cams whith 178° dregrees from open intake to closed exst..
do you know setup data to install this cams????????? please help me.. |
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11-13-2008, 01:25 PM
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Registered
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you might get better results in the engine rebuild forum, maybe a moderator can move it for you.
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John Snodgrass 1973 Porsche 911 "Barney" (race car for sale) 2008 Nissan Maxima - Daily Driver 1999 F350 Diesel Crew Cab - Tow Beast 1990 Airstream 36' Land Yacht - Home Away From Home |
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11-13-2008, 03:10 PM
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Registered
Join Date: Sep 2008
Location: Rio Rancho, New Mexico
Posts: 200
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Cyber,
Porsche cams are specified from opening at 1.0mm to closing at 1.0mm. In other words the valve has opened 1.0mm. At this point it is specified. The same for closing. Early cams sometimes were specified at the absolute opening, that is just as the valve began to open. The difference in standards added 46 degrees to the duration using the old absolute opening versus the newer 1.0mm opening. So my qustion is what standard are you using to quote these cams? Second are there any part numbers?
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Doug Was 2.7racer. '76, 2.7 w/Webers, JE pistons, Solex cams. Elephant bushings front & rear, 23mm & 28mm torsion bars, big brakes front & rear, Pertronix. Track car. '85 3.2 stock, Orient red, comfy street car. |
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11-14-2008, 02:23 PM
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Porsche 911 RSR
Porsche 993
2009 Porsche Cayman S
2009 Porsche Cayman S
