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Author
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Topic: Question about GT40 heads
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hidnn.o.s.
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Member # 1219
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posted
 
 
Are these aluminum???
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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Hungry Hippo
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Member # 537
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posted
looks like it
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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mtbaughs
Road Racer
Member # 4052
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posted
get a magnet and see if it sticks to it or not or just clean up an area and you'll know
[ April 29, 2004, 10:17 PM: Message edited by: mtbaughs ]
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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hidnn.o.s.
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Member # 1219
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posted
quote:
Originally posted by mtbaughs:
get a magnet and see if it sticks to it or not
Good call with the common sense ![[patriot]](graemlins/patriot.gif)
Just went out and the damn magnet STICKS ![[Frown]](frown.gif)
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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hidnn.o.s.
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Member # 1219
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posted
Can you tell what kind of GT40 heads they are by the 67 stamped there?
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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mtbaughs
Road Racer
Member # 4052
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posted
I wish I could recall but my memory is fuzzy on all the part #'s
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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JoeT
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Member # 298
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posted
just look for the 3 bars in the front of the head, if those aren't there maybe it's a 289 or 351 head ?
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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hidnn.o.s.
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Member # 1219
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posted
quote:
Originally posted by shade-:
just look for the 3 bars in the front of the head, if those aren't there maybe it's a 289 or 351 head ?
What do you mean shade? They have GT stamped under the front driver side header, but I was just wondering if they are the standard 93 cobra heads or a variation. Do yours have that number stamped on the corner as shown in the pic?
Thanks
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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onesicklx
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Member # 285
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posted
quote:
Originally posted by hidnn.o.s.:
quote:
Originally posted by shade-:
just look for the 3 bars in the front of the head, if those aren't there maybe it's a 289 or 351 head ?
What do you mean shade? They have GT stamped under the front driver side header, but I was just wondering if they are the standard 93 cobra heads or a variation. Do yours have that number stamped on the corner as shown in the pic?
Thanks
my old 93 cobra heads had GT stamped on the heads...they probably are 93 cobra gt40 iron heads...thats what they told me when i got the heads...i could be wrong...
[ April 30, 2004, 11:58 AM: Message edited by: onesicklx ]
Posts: 1955 | From: san jose, CA | Registered: Jun 2001
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onesicklx
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Member # 285
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posted
another way i could tell if they are gt40 heads is by checking the part number on the spark plugs...its easier than lookin for the 3 bars on the heads (i think)...
Posts: 1955 | From: san jose, CA | Registered: Jun 2001
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hidnn.o.s.
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Member # 1219
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posted
Guys, I "KNOW" these are GT40 heads. Aren't there different kinds? Some flow higher numbers and what not.
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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mtbaughs
Road Racer
Member # 4052
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posted
They are either the old style GT-40's or the GT-40P heads. The GT-40P heads run a different style header to clear the plug angle if that helps
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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hidnn.o.s.
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Member # 1219
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posted
quote:
Originally posted by mtbaughs:
They are either the old style GT-40's or the GT-40P heads. The GT-40P heads run a different style header to clear the plug angle if that helps
Thanks, I thought there were more variations. These are not the P heads
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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mtbaughs
Road Racer
Member # 4052
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posted
Yeah I am pretty sure it is just those two. I think the old style GT-40's that came on the 93 cobra are the same as what came on some of the early lightnings as well. Someone correct me if I am wrong here but I think thats the case.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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66 AC COBRA
Nitrous King
Member # 904
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posted
quote:
Originally posted by mtbaughs:
Yeah I am pretty sure it is just those two. I think the old style GT-40's that came on the 93 cobra are the same as what came on some of the early lightnings as well. Someone correct me if I am wrong here but I think thats the case.
correct, but the lightning heads had slightly larger comcustion chambers, i used to have a set
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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Hungry Hippo
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Member # 537
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posted
dont forget aluminum gt40y and gt40x
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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