Diesel big end knock?
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Discussion

Boosted LS1

Original Poster:

21,200 posts

287 months

Wednesday 30th August 2023
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I was pondering this the other day. How come the bearings don't get pounded to death? I'm assuming the knock is from the big ends?

GreenV8S

31,003 posts

311 months

Wednesday 30th August 2023
quotequote all
Sure the knock is generated accoustically within the combustion chamber rather than from mechanical contact in any bearings.

PositronicRay

28,844 posts

210 months

Wednesday 30th August 2023
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Has someone nicked Boosteds phone?

Boosted LS1

Original Poster:

21,200 posts

287 months

Wednesday 30th August 2023
quotequote all
GreenV8S said:
Sure the knock is generated accoustically within the combustion chamber rather than from mechanical contact in any bearings.
Ah, is that what it is? That would make sense.