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Thread: help with choosing top end combo
          
   
   

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  1. #3
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
    Join Date
    May 2003
    Location
    Zephyrhills, Florida, USA
    Car Year, Make, Model: '32 Henway
    Posts
    12,423

    Here's another, less agressive example that may suit your application better. This one uses less cam and less static compression ratio to make good power and excellent torque.
    355, Edelbrock 185 heads, RPM intake, 1 5/8" long-tube headers, 9.5:1 static compression ratio, CompCams solid flat tappet cam, #12-222-4, 224/224, 0.499"/0.499", advanced 2 degrees and using 1.6 rockers on intake and exhaust. This simulation uses your 650 carb. You could make another 30 hp with more cam, but you'd give up this beautiful torque curve....(over 400 ft/lbs from 2700 to 5700)....(over 450 from 3700 to 4900)....
    RPM HP TQ
    2000 144 377
    2500 182 382
    3000 234 410
    3500 295 442
    4000 349 460
    4500 393 460
    5000 427 448
    5500 435 415
    6000 407 356
    Comp recommends their #981 single spring with damper, 370 lbs/in rate and installed at 1.700", 105 lbs on seat.
    Last edited by techinspector1; 03-25-2009 at 03:47 PM.

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