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#1 |
Don Corlione
Join Date: Jun 2001
Location: Omaha NE USA
Posts: 491
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![]() Below are some of the specs for my cam. Can someone tell me how my motor should be behaving? I have some good lift #s, but the duration #s look a little low. Does the low duration mean my power band will be lower in the RPM range? I recently dyno'd my car and the peak HP occured at 4500RPM.
Lift Intake .499 Exhaust .510 Duration Intake 275 Exhuast 279 Thanks ------------------ Eric - 89 Mustang LX 302 - Cobra Intake - GT40p heads - Naturally Aspirated |
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#2 |
Procharged!
Join Date: May 1999
Location: Hanover, PA
Posts: 1,539
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![]() The duration seems normal for a good mid range NA cam, for instannce my cam pulls from 2500-6500 I have 280/288 or 228/236 @ .050. What are the rest on the numbers on your cam so I an help you, when do the valves open and close, lobe centerline, is it advanced, etc.. Can you scan the cam card?
------------------ Check Out My Site 91GT,Holley SysteMAX II Kit-Heads 2.02" x 1.60" port matched to a 1262,Anderson N-61,24#,76mm C&L,Full MAC exhaust 1-5/8" Long tubes,2-1/2" O.R H-Pipe,2 1/2" cat back, No A/C or PS or emissions, 12" K&N Filter,RNH PERFORMANCE Ram Air,Ron Davis Radiator,Full Suspension,S&W 8pt "X" brace,JAZ seats,3:73's,Welds..etc,4:30's and 31 splines coming very soon! FIRST TIME OUT 12.16@111 WHEELS-UP |
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