Heads
Cargo Master
Joined: Apr 2004
Posts: 2,574
Likes: 4
From: Golden, CO
Uh, not zactly: http://www.network54.com/Forum/74182/thread/988495688/
There is some pretty detailed info in that thread. They would probably be a little more desireable to a car owner who needs the staggered exhaust bolt pattern for clearance.
There is some pretty detailed info in that thread. They would probably be a little more desireable to a car owner who needs the staggered exhaust bolt pattern for clearance.
Hotshot
Joined: May 2003
Posts: 11,141
Likes: 25
From: south louisiana
Originally Posted by Hypoid
They would probably be a little more desireable to a car owner who needs the staggered exhaust bolt pattern for clearance.
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
Originally Posted by jowilker
No no no, I believe that r stands for racing, and he needs to buy up every one that he can find.
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Cargo Master
Joined: Apr 2004
Posts: 2,574
Likes: 4
From: Golden, CO
Originally Posted by RapidRuss
And there are too types of R heads.....Standard and 1 that has an R on the left side of the head, That has a larger port !!
My C4AE-G heads are standard, run of the mill 352/390 heads also.
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FE "Freakin Expensive"
Joined: Dec 2003
Posts: 6,461
Likes: 4
From: Smith Mountain Lake, VA
Hyp have you checked those R heads to see if there an "R" by itself at the end of the head on the left side?
I believe it was 66 that was the change over year from the large ports to the smaller ones...Mid year... So your C4's should be large port design.....
I believe it was 66 that was the change over year from the large ports to the smaller ones...Mid year... So your C4's should be large port design.....
Cargo Master
Joined: Apr 2004
Posts: 2,574
Likes: 4
From: Golden, CO
The intake was gone, saw the same huge intake ports the C4s had. I thought about grabbing them, but I just bought the C4s the week before. It was over a year ago: https://www.ford-trucks.com/forums/s...6&postcount=20
So that "R" is off the end of the head?
So that "R" is off the end of the head?
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Originally Posted by krewat
Just in case the original poster doesn't get the sarcasm, John is kidding!
You come over here and I will run over your toenail with my truck.
John
FE "Freakin Expensive"
Joined: Dec 2003
Posts: 6,461
Likes: 4
From: Smith Mountain Lake, VA
Originally Posted by Hypoid
The intake was gone, saw the same huge intake ports the C4s had. I thought about grabbing them, but I just bought the C4s the week before. It was over a year ago: https://www.ford-trucks.com/forums/s...6&postcount=20
So that "R" is off the end of the head?
So that "R" is off the end of the head?
Thats about the best I can tell you ? Sorry..Maybe G will chime in this afternoon and put some clarification on it?
RJ
Logistics Pro
Joined: Oct 2005
Posts: 3,785
Likes: 4
From: Mddl A MexCans
Are we sure the R on the end isn't just a location specific marking. I have the COAE 6090D heads (now on evilbay) and they have an LH on one and an RH on the other..Or is this something totally different than what is being reffered to ?..
like these have... http://cgi.ebay.com/ebaymotors/427-F...spagenameZWDVW see the picts of the ends of the heads
like these have... http://cgi.ebay.com/ebaymotors/427-F...spagenameZWDVW see the picts of the ends of the heads
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