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I run 91 octane in mine... I would not run 85 octane, even if I could get it... the lowest we have around here is 87 octane.

I put KB167's and a pair of unworked magnum heads on a 1975 318 engine... no deck work was done either. The result? 9.8:1 cr.

Yeah, Stu is a great guy. I bought my Demon from him when his daughter decided that it wasn't what she wanted as her first car.

Hey Goody, How have you been? That article is a pretty good read. Seems simple enough to do, and price wise it isn't too bad either. I need to ask you... do you know a guy named Stu Harmon? He is the President of a MOPAR club in the San Francisco bay area. Did your Dad ever sell his car? I...

As for how much horsepower you would be looking at will vary depending on compression ratio and cam selection. This article http://www.moparmusclemagazine.com/techarticles/mopp_0409_318_engine_build/index.html tells you how to build a bolt together 318 that will make 400hp with no machining or...

The stock Magnum head spring setup is good to .525 Anything larger causes problems with the retainer clearance. With the Magnum heads you get a 1.6 ratio rocker setup rather than the customary 1.5 ratio rocker. Take the lift number, divide by 1.5, then multiply by 1.6 to get you effective...

Running that size cam, I am assuming that you are wanting an all out race car, and not a street car. The only way that I know of for you to get more low end, or have the power come on quicker, would be for you to lighten up your entire rotating assembly. Lighter pistons, lighter rods, and a...

Machine lifter bores? >That it? >Big job? >Where would I get specs? >Would changing heads be easier? If you are asking if doing the actual work of changing a set of heads is an easier job then having your lifter bores worked for a roller set up... reworking the lifter bores is the more...

For those of you that are worried about the whole ZDDP issue, there is a solution. You can have your engine block machined for a roller cam and go the route. Roller cams are immune to the "lack of ZDDP" wear problem.

I spoke with a friend of mine that is involved with NASCAR. I had him ask around to get the scoop on this zinc / oil subject. What I got back were a whole bunch of explainations from the likes of Petty Enterprises, Jack Roush, Hendrick Motor Sports and MOPAR engine guru Joey Arrington. In...

For idle - 6800 rpm... best dual plane is the Weiand Stealth... part # 8222