Hi Styria save this link it not only allows you to work out differences in rolling diameter. Between different size tyres. But also tells you what brands and tyres are available in that size http://tire-size-conversion.com/tire-size-chart/ .
And closer to home in Adelaide Stuttgart -Classics sell reproduction and genuine pre merger parts. And Tim look what is for sale AMG rocker cover for M103. Oh and they own a SEC DOHC 6.0 WIDEBODY and spare DOHC engine http://www.stuttgartclassics.com/FOR-SALE.php .
Recently I saw a 500SEL a couple of times in Melbourne which was fitted with B45s. It had a for sale sign in the window but I haven't found it on the net. Hope I see it again sometime soon!
Hi Mark have seen torque fabrications they have done IRS 9 inches for hotrods so not a problem. The real reason i saw them was for fitting a http://www.tremec.com/menu.php?m=104 . As for the diff Thomas in Germany stated he is using Quaife diff centre in mercedes housing on 8.4 litre M-100 with over 600 ps. And torque can make intake manifold was thinking duel 4 intake and using fast fuel only efi http://www.fuelairspark.com/fas/ez-...system-master-kit-w-inline-fuel-pump-kithtml/ it has duel quad upgrade can supoort 1200 hp or 600 with single.