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Author
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Topic: 66 heads?
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indyphil
Gearhead Posts: 1075
From: Lafayette, IN, USA
Registered: Jul 2002
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posted 02-10-2003 03:00 PM
   
While I have been trying to start my car I took a valve cover of the drivers side of the engine to make sure I was on the compression TDC of #1 (I know #1 is passenger side but the heater hose makes that side more difficult so I opened the driver side instead and worked it out)anyway under the cover it had 289 cast into the heads as well as 66 and 6E16 does this mean I have 66 heads on my 68? someone has rebuilt the engine before so its easy to see why they would do this. I better check the passenger side and make sure it matches!!! Phil ------------------
'68 coupe 289 C code
edel 600cfm carb, performer intake, dual exhaust
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capri man
Gearhead Posts: 3762
From: doerun, ga.
Registered: Nov 2000
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posted 02-10-2003 03:07 PM
quote:
Originally posted by indyphil:
While I have been trying to start my car I took a valve cover of the drivers side of the engine to make sure I was on the compression TDC of #1 (I know #1 is passenger side but the heater hose makes that side more difficult so I opened the driver side instead and worked it out)
phil, im pretty thick headed most of the time and was just wondering how you worked it out from the pass side? ------------------
mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft.
http://prestage.com/site/site_display.asp?SiteID=141
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SteveLaRiviere
Administrator Posts: 34763
From: Saco, Maine
Registered: May 99
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posted 02-10-2003 03:11 PM
You didn't need to take a valve cover off, just a spark plug.The 6E16 is a casting date of May 16, '66 for the heads. ------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150 Please remember our sponsors,
Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance.com, and FordRamAir.com
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indyphil
Gearhead Posts: 1075
From: Lafayette, IN, USA
Registered: Jul 2002
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posted 02-10-2003 03:33 PM
cylinder 5 (front cyl on drivers side)follows cylinder 1 by 90 degrees, so if the valves are shut on cylinder 5, 90 degrees after TDC on the balancer then I have compression. Then I just back it up to line up with my marks. Having said all this I had to do it twice to get it right, but thats because I was being thick headed myself.
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indyphil
Gearhead Posts: 1075
From: Lafayette, IN, USA
Registered: Jul 2002
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posted 02-10-2003 03:37 PM
So what are the differences between 66 heads and 68 heads?I think they may have smaller chambers (higher compression) and perhaps better flow (no thermactor humps?) Is this a common swap? When I did the intake manifold swap (2 barrel to 4 barrel) it didnt look much like the heads were ported. Perhaps I have a mongrel engine that has been assembled out of different parts.
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