Cylinder Heads
Thread Starter
Safety Car
Joined: Mar 2009
Posts: 3,558
Likes: 4
From: Oakland California
Cylinder Heads
Guys, I'm in need of help once again. I am looking at a pair of 461 "Camel Hump" heads, but need to get an idea of what the compression ratio would be if I were to drop these heads on my stock 74 Vette? Any estimates? I'm looking at a pair of 461 because there's a pair going for $150 right now. I can't afford a pair of aluminum heads right now, so I'm not really interested in aluminum heads right now. 
Burning Brakes
Joined: Mar 2005
Posts: 861
Likes: 0
From: WNY
Those are very common heads - lots of dirt-track guys who cannot use aluminum or vortech style heads go with either those or 462's. 150 for a set if they are clean castings is a pretty good deal. They are getting harder and harder to find.
Are they complete or bare castings? Have they been fluxed yet?
I believe those come in either a small or larger valve size depending on what they came out of (like a 2.02/1.60 for the larger or the 1.94/1.50 for the smaller). I know they are 64cc heads. I think they are a 165cfm runner but I could be wrong on that.
For the money though I would go with vortech heads - they flow a LOT better for the cost.
Are they complete or bare castings? Have they been fluxed yet?
I believe those come in either a small or larger valve size depending on what they came out of (like a 2.02/1.60 for the larger or the 1.94/1.50 for the smaller). I know they are 64cc heads. I think they are a 165cfm runner but I could be wrong on that.
For the money though I would go with vortech heads - they flow a LOT better for the cost.
Burning Brakes
Joined: Mar 2005
Posts: 861
Likes: 0
From: WNY
Race Director
Joined: May 2005
Posts: 10,674
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From: Millington Illinois
St. Jude Donor '08-'09
. Looks like I'll have to keep looking.
