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Tech Question
john king, toowoomba, australia, 1972 valiant charger 318
Greetings Rick I have read your views on many things for years now and have read nothing more impressive than the Green Brick, in car magazines that is.
Now here is my question, I have just bought a set of Magnum heads, 4666 is the number on the heads. They come with cracked exhaust seats which are propagating there way into the inlet side but not on all the valve seats. Should I just forget that the cracks are there and lap the valves, assemble and put em on the old 318? What could go wrong?
Plus why did I buy these heads in the first place? Are they a lot better and will they make more Kilowatts, sorry HP for you guys over there? The rocker setup is just like our hemi setup here oil thru the pushrods. So I will use lifters from the hemi 6. Whats your opinion?
Unfortunately, some Magnum heads are known for cracks in that area. Eventually, it could get to the water. But, since the shipping to Down Under probably costs 2X what the heads are worth, I'd say to just do 'em up and bolt 'em on.
Yes, they are the best production smallblock heads ever, you will surely make more power, no matter if you measure it in calories/minute, BTUs/hour, pounds-feet/second, Wattever... ;->
Rick
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