Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Small base circle cam or not?
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Old 03-07-2013, 09:27 PM
Coolrider Coolrider is offline
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Originally Posted by Coolrider View Post
Hi! Every body...

As i said before, i'm on a 406 sbc project. I don't know if i need or not a small base circle cam. My interest is on the Hydraulic Roller Voodoo Retro-Fit Lunati 20120711K (60111). It seems to have what i want. Great acceleration, torque and throttle response to have fun stop light to stop light.

Cam specs:
-RPM Range: 1800 - 6000
-Lift: .515"/.530"
-Duration @ .050": 219/227
-Advertised Duration: 270/278
-112/106: 112/106

My car specs:
-406 sbc (approx. 10:1 cr with 75 cc, AFR 195 and 7 flat top)
-auto. transmission 2500 tci stall.
-5.7 con. rod
-3.75 stroke
-373 rear end

My question: Do i need or not a small base circle cam? If you have any suggestions, let me know.

I've forgot to say that my 400 block is a factory 72-78 GM and the rods are the following:25700P
These Scat I-beam connecting rods incorporate all of the best features possible for an I-beam rod, including some strength adders found in H-beam designs. Scat Pro Comp I-beam connecting rods are profiled with clearance for long stroke applications. These connecting rods feature a one-rib cap design for added strength and bearing support, and special hollow dowels with ARP cap screw bolts to greatly increase strength and horsepower capabilities.
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