Best get the spare ex manifold gasket and studs ready![]()
The exhaust manifold in the TD 5 can warp and shear the studs. Although l don't know how common it is, and whether any improvements were made in the later TD 5
Apparantly the higher operating temperatures possible after a remap can make it more likely to fail.
What's this about?I know the early TD5s have some weakness', but never heard about manifolds/studs? I've got a 1999 TD5 and might want it chipped one day.
Thanks!
What youve never heard of the warped manifold issue?
Or the chocolate head to block dowels.
Or Or
Like all engines if you look after it you will be fine, except in the case of the 19j in which case you are on a hiding to nothing!
Yes.With the standard manifold and studs?
Turning the turbo boost up too high results in higher exhaust gas temps hence the manifold issues. You can get a hardened manifold stud set that has longer studs and spacers so that the forces are spread over a larger area. Some swear by cutting the webs on the manifold so that the manifold can "move" slightly but I've never had a problem running 1.4 bar of boost and a stage II map from Alive.
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