Compression Ratio Help!

[tdstuart]

This

Sounds good. I will ask the machine shop to take off 0.010" from the heads to give me about 12:1 CR.

Hopefully I will be at 500+whp haha

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[GregO]

I will ask the machine shop to take off 0.010" from the heads

How do you know if a .010” cut is enough to get the heads flat again ?

 

[tdstuart]

How do you know if a .010” cut is enough to get the heads flat again ?

They said it should be less I just asked them to atleast do that much.

 

[K4fxd]

Are you close to an E85 station? I looked up Az and there aren't very many stations with it.

 

[WildHorse]

There's plenty of 12:1 FI coyotes around 8psi getting beat on with 91 octane. Nothing went ka-boom. Personally I'd go 13:1 + big boy boost with E85 or race gas .

 

[K4fxd]

There's plenty of 12:1 FI coyotes around 8psi getting beat on with 91 octane.

I'll bet they are not daily driven by a broke college student

 

[WildHorse]

I'll bet they are not daily driven by a broke college student

Pay to play. Simple as that.

 

[tdstuart]

Are you close to an E85 station? I looked up Az and there aren't very many stations with it.

Ya I’m right next to one. I live at ASU.

 

[GregO]

Ya I’m right next to one. I live at ASU.

You plan on being a career student….
LOL

 

[Zrussian13]

Are you close to an E85 station? I looked up Az and there aren't very many stations with it.

There's very few but the couple that carry e85 are very consistent. And the one he's referring to is solid. Usually around 88-90% and it's the only one I've never seen run out. Of course I probably just jinxed it! Sorry locals....

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