TR4A Pistons

Hi! What is the correct side the split in piston should be fitted in
bores,cam side or other.Looked in many manuals dont really say.This engine
has already been down by others,have a feeling they were fitted
incorrect.Any help would be greatful
Ashley.
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.817 / Virus Database: 555 - Release Date: 15/12/2004