318 pistons

Because unless you have a special part number recommendation, all 318s from 67-91 have exchangeable part numbers and this...



He's working from another country which means shipping costs for already expensive stuff makes it all the worse. And it's not like it needs to have 9:1 to run well. A properly built 8.4:1 318 will run well if the cam is degreed in and the heads flow well. Furthermore, just because the specs show 9.2:1, means nothing about the reality of the matter. If your engine in particular was only .040" in the hole, that's fantastic, but the reality is most of them were somewhere around .060-0.080" in the hole. All the aftermarket ones available are about that unless you have the block decked or offset grind the crank.

Alex was trying to get good compression without having to spend too much money. He also said that he was building a street car not a race car. Attached you will see the "How To Hot Rod Small Block Mopars" stock piston specs. I also have a factory '69 Service Manual which says the same thing. The piston height of my pistons is 1.77. This is why I had .039" in the hole and 9.2 compression. If you look at other years (newer pistons) the piston height gets shorter and shorter. My point was that Alex can spend a lot less money if he buys stock (tall) '69 pistons without sacrificing compression. I do not know if he can get the exact pistons as my engine BUT I know they would cost way less than the ones he's looking at. The P/Ns are also there for him to see.
Alex was trying to save money and I was giving him one way. I'm sure there are other ways also. Buying expensive pistons isn't always the best solution when you have to pay import taxes.

treblig