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Forum: General Q & A

02-16-2008, 07:56 AM

Replies: 16

Compression ratio difference w/ aluminum Heads???

Views: 15,493

Posted By Edward R. Cozzi

If you're running in salt water, you're better...

If you're running in salt water, you're better off with cast-iron heads. I've pulled many aluminum heads that were junk after a few years.

Forum: General Q & A

02-15-2008, 12:41 PM

Replies: 16

Compression ratio difference w/ aluminum Heads???

Views: 15,493

Posted By Edward R. Cozzi

I doubt that's true as a rule because most...

I doubt that's true as a rule because most aftermarket aluminum heads flow better than the stock cast-iron heads, are therefore more efficient and make more power. I learned this straight from Randy...

Forum: General Q & A

02-15-2008, 10:46 AM

Replies: 16

Compression ratio difference w/ aluminum Heads???

Views: 15,493

Posted By Edward R. Cozzi

Probably not if the combustion chamber volume is...

Probably not if the combustion chamber volume is the same. An advantage of the aluminum heads is that because they dissipate heat they are less likely to allow detonation WITH a higher compression...

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