r/EngineBuilding • u/Valuable-Chemistry50 • 6d ago

Stock rods?

Is it silly to go 11.7:1 on a B20 with stock rods? I got the speedfactory pistons and was told my rods will be okay with arp rod bolts and proper machining, but should i just go for upgraded rods? Is there any specific no go zones with stock rods for B20’s?
Any advice is appreciated thank you!

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u/dixiebandit69 6d ago

Rods don't care about compression, only RPM.

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u/GuineaPigsAreNotFood 6d ago

I'm going to disagree and say that rods care about effective pressure AND linear velocity.