Megalis

Ok I got a 421 long block LQ9 from TSP. After my mechanic installed and cranked it, there was a noise and it was the #1 cylinder head connecting rod bolt hitting the oil pan!!! It is the stock oil pan from my 02 LS1.

I thought TSP would check for stuff like this before shipping...apparently not.

They even told my mechanic that this has happened before. But they don't include any provisions or anything written anywhere stating this issue??

Moving on, I have included pics so you can see. TSP's response was to double up on gaskets!! really?? that won't be enough, and when the engine flexes , expands, vibrates..etc, it may hit again! don't wanna do that.

So any suggestions on what I can do here? maybe get a bigger pan? thanks in advance for any info.

Here is the bolt that's hitting:





Here is the oil pan with the damage:

97z28k&N

I would just get so deeper oil pan.


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WhiteHawk

I would send the pan back to them and have them clearance it then weld it up. That would seem like a fair solution. Just make sure you have 3 or 4 mm clearance when installed in your car. Or take it to a local welder.

-Geoff