i have a limited budget due to family commitments but iwas wanting some info on strenthing my s2 box i have been told that late bc boxs on early zetec escorts had a 'bigger' main shaft allowing you to put beefier bearings ideally the way to go would be a bernie box but due to limitations on my cash flow it is not possible my s2 is a 1.8 zvh it is already got a 4 paddle clutch but the box is sounding a bit unhealthy any info would be much aprecciated