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HP Estimate Please!
Can someone please give me a power estimate on these specs....
66mm crank 85mm pistons 10.5:1 2247cc DC 40 cams 36mm intake, 35mm exhaust Twin plug SSI's with rally exhaust 7500 rpm limit 98 octane fuel I'm hoping to crack 200 but not sure if I'm being to optimistic! Thanks Guys |
Cameron, Looking at the specs. of a 1971 911 S, 2195cc, MFI, 9.8:1 got 180hp@6500, your 2247cc with DC-40's and 10.5:1 twin plug and webers? should see 195 to 200 with proper jetting and chokes. You are running Webers? A bigger lift cam will help you more on the goal for 200 + hp.
Tell us more on you induction, carbs or MFI. |
Going with the 40 Webers I have due to budgetary contraints :D
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DC44s on 102 lobe center will get you over 200HP. You should be able to get by with race springs on those cams, w/o Ti hardware given your redline. Talk to Camgrinder to confirm.
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Thanks Kenik
I've been researching your posts on cam choice as it looks like we are looking at building something similar.... :D With the cams you have mentioned is the torque curve the same or close to the DC40? Perhaps a bump in redline to 7800 might not be out of the question if there's not a heap of lost torque. If the DC 40 runs from about 3500 to 7500 whats the spread for DC44's? Thanks, Cam |
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