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Ported head and cam arrived. PICS! Help me out!!! 

 

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Posted: Fri Dec 21, 2007 2:32 pm 
Stock as a Rock
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Posts: 149

Joined: 28th Sep 2007

Power: 192 rwkw

Location: kadina
SA, Australia

did u ever stop to think that there was a reason ford made the exhaust ports smaller than the inlets?

wen it comes to scavenging port velocity is critical, go bigger than optimum and the gasses slow down dramaticaly

hope u havent over done it mate
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Posted: Fri Dec 21, 2007 4:28 pm 
Getting Side Ways
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Joined: 30th Nov 2004

Location: Melbourne
VIC, Australia

time will tell if he has - when he has done hopefully he can supply some good information showing if he gained or loss performance will the work he has done.
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Posted: Fri Dec 21, 2007 4:55 pm 
Stock as a Rock
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Age: 37

Posts: 112

Joined: 18th Aug 2005

Location: hobart
TAS, Australia

He may, and probably will, still gain some performance, but it may just be less than what he could have made with less work is all.
Not a huge deal in the end as long as he's happy with how it goes.
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Posted: Fri Dec 21, 2007 7:50 pm 
Getting Side Ways
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Location: Hobart
TAS, Australia

might bog down at low revs but screams its rings off at the high end! lol

 

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Posted: Sat Dec 22, 2007 5:39 pm 
Getting Side Ways
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Age: 49

Posts: 6467

Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

I already have a ported and polished head on my car now ( 3.9 head on a 3.9 bottom end ), with original cam and rocker gear, inlet man etc, etc....
It definatley has more pull in the midrange to top end than before.
I had to set the mixtures back 15% from OE settings, at idle.
It doesn't appear to have lost any bottom end.
The exhaust ports are the same size as the valves on this head too. The valves fitted to this are from an EL.

 

 

Attachments:
My 88EA cyl head ported & polished. 004.jpg
My 88EA cyl head ported & polished. 004.jpg [ 332.32 KiB | Viewed 42 times ]
My 88EA cyl head ported & polished. 003.jpg
My 88EA cyl head ported & polished. 003.jpg [ 334.13 KiB | Viewed 42 times ]
My 88EA cyl head ported & polished. 002.jpg
My 88EA cyl head ported & polished. 002.jpg [ 406.48 KiB | Viewed 35 times ]

 

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