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Old 10-13-2020, 07:48 PM   #3
Synchro909
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Join Date: Jun 2014
Location: Melbourne, Australia
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Default Re: Knocking on start up

Quote:
Originally Posted by jack wingard View Post
On a cold start up there is a 30 second engine knock briefly. Where should I start to look?
I'd start with a check of the main bearings, The rods get oil from the first revolution, not after 30 seconds which is about right for loose main bearings. Adjust them to 0.0015" and you'll be on your way for many more miles.
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