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Bb Chevy Reed Roller Camshaft - "top Secret" on 2040-parts.com

US $350.00
Location:

Harrisburg, Pennsylvania, United States

Harrisburg, Pennsylvania, United States
BB Chevy Reed Roller Camshaft - "Top Secret", US $350.00, image 1
“Good condition, normal wear only.”
Brand:Reed Warranty:No Country/Region of Manufacture:United States

Up for auction is a custom Reed roller camshaft for a BB Chevy.  This cam was built to my specs for a 480ci asphalt supermodified engine.  Lift and duration: Int: .765 / 282 at .050. Exh: .708 / 300 at .050.  Yes this is an aggressive cam...  

Here's the interesting part.  This is what is known as a 4/4 pattern cam.  It essentially turns the V8 into 2 4 cylinder engines, connected by the crank.  The firing order for a standard Chevy is 18436572.  This cam converts the firing order to 15736842.  No special crank or other parts are needed, just re-arrange some plug wires.  

Why?  Well, a couple of reasons.  The standard firing order fires cylinders at opposite ends of the engine twice (1,8 and 7,2).  This causes a lot of "whip" in the crankshaft and affects timing and efficiency.  The 4/4 pattern also broadens the torque curve.  In my engine, this cam made 748 lb ft. of torque , but it also made over 600 lb ft from 3500 to more than 7500 rpm.  YOUR RESULTS WILL VARY.  The exhaust sounds just like a 500 cubic inch Ferrari would.

Now the downside, this cam design does not like a single 4 bbl carburetor, and is best suited to a port or ITB (stack) injection fuel system.  The cam alone cost me $750 new.  Reed is now out of business, and I'm not aware of any other companies that will grind 4/4 cams for public sale (it's kind of top secret).  I'm selling it because the engine has been re-purposed, and this cam is no longer suitable.  I'd like to see someone else benefit from this technology.

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