my first engine rebuild (318) advises

peelo57 said

i dont really know what compression will be. but using KB167 pistons it should be fairly high.
Trying to get good quench and those pistons are looking way to do it.

i will start to calculate compression when i open engine up and i can measure heads cc's and how far down stock pistons are.

:)

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If you haven't bought heads and pistons yet, here's a trick.

Use standard 360 heads with 1.88" or 2.02" intake valves. then get a set of 10.5:1 pistons for a 318. The larger combustion chamber of the 340/360 head will give you 9.2:1 compression with 10.5 pistons.

Or if using 318 heads, you can always have the machinist open up the valves to 360 with 1.88" intakes and 1.60 exhaust and make sure he puts hardened seats in for the exhaust valves.