|
Sponsored Links (Register now to hide all advertisements) |
|
|
Thread Tools | Display Modes |
08-31-2017, 04:51 PM | #1 |
Senior Member
Join Date: May 2010
Location: Powell, TN
Posts: 2,509
|
C91A6050 Canadian heads
I have a C91A 6050 and C91A 6049 set of alum. heads. The appear to be the real thing, not USA made racing HC heads. Are the Canadian heads higher compression or 6.5 to 1.
|
08-31-2017, 04:53 PM | #2 |
Senior Member
Join Date: Feb 2011
Location: Buchanan, MI
Posts: 676
|
Re: C91A6050 Canadian heads
Not high compression.
Standard low comp Ford. |
Sponsored Links (Register now to hide all advertisements) |
|
08-31-2017, 07:26 PM | #3 |
Senior Member
Join Date: May 2010
Location: Wisconsin, USA
Posts: 9,010
|
Re: C91A6050 Canadian heads
High compression heads had "AS" in the prefix.
__________________
"I can explain it for you. However, I can't understand it for you". |
08-31-2017, 08:03 PM | #4 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
|
Re: C91A6050 Canadian heads
|
09-01-2017, 07:34 AM | #5 |
Senior Member
Join Date: Jul 2010
Posts: 2,593
|
Re: C91A6050 Canadian heads
Yes AS heads were commonly referred to as Denver heads.
Martin. |
09-01-2017, 03:51 PM | #6 |
Member
Join Date: Oct 2011
Location: Fort Worth, Texas
Posts: 71
|
Re: C91A6050 Canadian heads
Sponsored Links (Register now to hide all advertisements)
|
09-01-2017, 04:06 PM | #7 |
Member Emeritus
Join Date: May 2010
Location: Madison, NJ
Posts: 5,230
|
Re: C91A6050 Canadian heads
AS heads are iron. The C in the PN designates Canadian manufacture...Some Canadian aluminum heads had slightly higher than irn CR's, probably just enough to compensate for the slight power loss. There is a Canadian service bulletin page listing CC's An CR ratings for nearly all USA and Canadian heads from about '32-49
|
09-01-2017, 04:12 PM | #8 | |
Senior Member
Join Date: May 2010
Location: Wisconsin, USA
Posts: 9,010
|
Re: C91A6050 Canadian heads
Quote:
I have a set of 99AS heads, NOS, that are aluminum. According to the authentic documents that remain with this vehicle, they were were ordered (originally) to be installed on my '40 convertible (factory Merc. engine). It took me a LONG time to locate that set.
__________________
"I can explain it for you. However, I can't understand it for you". |
|
09-02-2017, 10:45 AM | #9 |
Senior Member
Join Date: May 2010
Location: North Las Vegas,Nv/Rainier,Or
Posts: 450
|
Re: C91A6050 Canadian heads
I have a 40 convertible that has aluminum heads made in Canada with C7RA 6050 B.I was a ford partsman in the 60s and early 70s and understood that was an engineering number,C for decade 60 and 7 was the 7th year and 6049/6050 was the basic number cylinder heads.
__________________
Milt/Las Vegas |
|
|
Sponsored Links (Register now to hide all advertisements) |
|