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Originally Posted by Supa Ninja
So your turboing a 1300? You'll want forged pistons, and by the way it's a magnesium alloy case which is even weaker then a aluminum case. You won't be able to get too much boost out of stock motor unless you go through it. After everything is said and done you would be better off with a built NA type 1 motor.
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i'm not a specialist but the manual said that the 1300(44hp) code "F" engines has alumanium cases and the pistons is the same material as the 1500 engines, it's called a "steel strut alumanium alloy", i don't know this material is good or week but anyway i will never exceeds the 4 psi of boost(maybe less) and if my engine will give a gain of 30hp more or even less, i will be glad for that, cuz it's a daily driver after all ;-) , my other project is to buy a 1600cc engine(i don't like large disp. cuz i think more power from small disp. is the real performance) on my other 71 bug(need a full restoration) and installs a bigger boost range with forged pistons and c/w crank and everything it takes when i got some money in spare(i wish)....
but now my idea is to build a "street car" with minor modifications producing the best power it could safely gives, i took it as a chalenge ;-)...
thank's...