after market s/s manifold

[turbo 500]

hi all. brought  anew s/s maniford on inspection found that holes in the manifold are 12mm the studs supplied by Toyota are 7mm has anybody come across this problem the weight of the manifold be taken on the studs not held in place by the nuts. Gerry.

[Jandaw]

There wasn't that much difference with mine but you need to fabricate a bottom bracket regardless.