BX23 head assembly marks or exact same cracks?

[tshep]

Hey - got these 3 combustion areas

They seem to be same size and exactly same place, with stake marks?
Cracks or not?

FRecommend home crack test system?

I hope I'm changing head gasket for tiniest of radiator bubbles.

Any help?

 

[85Hokie]

They look like registration marks,

explain: " I hope I'm changing head gasket for tiniest of radiator bubbles. "

 

[North Idaho Wolfman]

Nope not cracks.
Someone scratched those in.

Use an OEM gasket!

 

[tshep]

I was expressing hope, that my only problem was the head gasket, to explain/fix tiny bubbles.
Based on reading, and my machinist's remarks, I may have the rare 'caught it before it cracked'!

 

[North Idaho Wolfman]

I would replace the thermostat and the water pump, because both can cause bubbles too.

 

[whatsupdoc]

I would do a block combustion leak test, that way you can confirm if
there is combustion gas leaking into the coolant system.
Real easy to do.

 

[tshep]

So, machinist confirmed no cracks (!!), had OEM gaskets before I started.

Doc, you teasing me? How to 'block combustion leak test'?

 

[whatsupdoc]

Amazon.com: Block Tester BT-500 Head Gasket Combustion Leak Test Kit - Made in USA : Industrial & Scientific

Buy Block Tester BT-500 Head Gasket Combustion Leak Test Kit - Made in USA: Leak Detection Tools - Amazon.com ✓ FREE DELIVERY possible on eligible purchases

www.amazon.com

 

[tshep]

OK, I get it... maybe I should have BEFORE I pulled the head?
NTL, if I see any bubbles, I will follow up!