ford 390 heads
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ford 390 heads
I am buiding a 390 and have the opportunity to get a set of heads, c6ae-6090 r, would this be the head of choice or are there others that may be better (excluding the famed cj heads). look forward to your feedback....
Cargo Master
Joined: Apr 2004
Posts: 2,574
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From: Golden, CO
The engineering number is real John. Maybe the book lists a part number?
The C6-R heads have tall intake ports and open combustion chambers like the early heads, with exhaust ports set higher like the later heads. Often referred to as the "poor man's CJ heads," they can be worked for more high RPM performance. Buying oversize valves and port work can cost pretty close to the aluminum E-Bock heads...or so I've read.
The C6-R heads have tall intake ports and open combustion chambers like the early heads, with exhaust ports set higher like the later heads. Often referred to as the "poor man's CJ heads," they can be worked for more high RPM performance. Buying oversize valves and port work can cost pretty close to the aluminum E-Bock heads...or so I've read.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
The engineering number is real John. Maybe the book lists a part number?
The C6-R heads have tall intake ports and open combustion chambers like the early heads, with exhaust ports set higher like the later heads. Often referred to as the "poor man's CJ heads," they can be worked for more high RPM performance. Buying oversize valves and port work can cost pretty close to the aluminum E-Bock heads...or so I've read.
The C6-R heads have tall intake ports and open combustion chambers like the early heads, with exhaust ports set higher like the later heads. Often referred to as the "poor man's CJ heads," they can be worked for more high RPM performance. Buying oversize valves and port work can cost pretty close to the aluminum E-Bock heads...or so I've read.
The OP asked about C6AE 6090 R not C6AE R. Did I miss something?
John
Cargo Master
Joined: Apr 2004
Posts: 2,574
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From: Golden, CO
I don't quite understand, the C6AE R shown in the photo is in Steve's book. I aint da Dummy that swears by his books, but Steve's How To Rebuild Your Big Block Ford book is usually considered pretty accurate by many readers here, meaning it is not full to the roof with mistakes like many others.
The OP asked about C6AE 6090 R not C6AE R. Did I miss something?
John
The OP asked about C6AE 6090 R not C6AE R. Did I miss something?
John
I went out and looked at my heads again, looked through the pics I've taken, different markings on each side.
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FE "Freakin Expensive"
Joined: Dec 2003
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From: Smith Mountain Lake, VA
Mikey is right..Steves book has been shot full of holes..just not as many as others ..and the C6-R head can be made to be a real nice flowing head...But as mentioned be prepared to spend some money to make them flow depending on the HP your looking to get out of your build..
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Tuned
Joined: Oct 2007
Posts: 294
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Here is another posting in reference to your question. It is on a Mercury website 390 or 427 low riser
Hope it helps.
Hope it helps.
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