[urq] 2 pc manifolds

[iain.atkinson at tesco.net]

Oddly enough there was an S6 avant here at the dealership recently that had a
cracked manifold, technicians reckon that they do eventually go the same way.


Iain

>But the inlet manifold on the 20vt is on the other side of the block
>meaning less weight to support. Coincidence ?
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>>
>> 20vt is a good place to look for more here.  I haven't seen a cracked 20vt

>> manifold, nor one that ripped the #1 or #5 stud.  They use the same motor

>> mount as the 10v I5, and a support bracket to the motor.  turbo and WG hang

>> dead center (more even heat), with support bracket.  er, 1 pc manifold too.

>>
>> HTH
>>
>> SJ
>> JH writes
>> Just a thought...
>> If the manifold cracking is mostly due to inconsistent spread of heat across

>> the manifold causing inconsistent expansion, won't adding support brackets

>> create cold spot and make this worse?
>> Surely the metal bracket will conduct heat out of the manifold at the
>> point(s) where it is attached??
>>
>> Jim.
>>
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