GT40P Heads
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Engine Repair
Forum Discription: Engine problems and solutions
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=5642
Printed Date: November-27-2024 at 4:30pm
Topic: GT40P Heads
Posted By: 82 Nautique 1
Subject: GT40P Heads
Date Posted: January-31-2007 at 2:52pm
Thought this link I found may be interisting to anybody looking at upgrading or changing heads. The GT40 heads are quite a bit higher priced than the GT40P.
The GT40P head is available from Ford Racing.
I did have to drill out the Bolt holes to accept 1/2" bolts, and they do use a different spark plug.
Just thought this may help someone. Let me know your thoughts if they differ.
http://www.stangpro.com/html/articles/gt40p_files/gt40p1.htm
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Original Owner " Dennis"
http://www.correctcraftfan.com/diaries/details.asp?ID=4855" rel="nofollow - 1982 Nautique
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Replies:
Posted By: TRBenj
Date Posted: January-31-2007 at 3:25pm
Ive posted that link here before ( http://correctcraftfan.com/forum/forum_posts.asp?TID=5563 - thread #1 , http://correctcraftfan.com/forum/forum_posts.asp?TID=3712&PN=0&TPN=3 - thread #2 and http://correctcraftfan.com/forum/forum_posts.asp?TID=5343&PN=0&TPN=3 - thread #3 ). Great site for GT40P info.
If youre considering buying some, I recommend you look at Tristate Cylinder head. They are reconditioned, but they should be cheaper (currently $540 for the set) than Ford Racing. They also come with upgraded valve springs- the stock ones are only good up to .500 of lift which is borderline for an upgraded cam.
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Posted By: 82 Nautique 1
Date Posted: January-31-2007 at 3:35pm
Thank you, I went to your posts. What Spark Plug are you using ?
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Original Owner " Dennis"
http://www.correctcraftfan.com/diaries/details.asp?ID=4855" rel="nofollow - 1982 Nautique
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Posted By: TRBenj
Date Posted: January-31-2007 at 3:40pm
The GT40p's use the same plug as the regular GT40's. Im running Autolite 764's.
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Posted By: JoeinNY
Date Posted: January-31-2007 at 4:46pm
FYI, AWSF-32C are the plugs recommended by tristate for thier gt40p heads. They do some clearancing of the plug boss to fit slightly larger valves into the heads, don't know if that effects the recommended plug insertion length or not... I just used the plugs they told me.
-Joe.
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http://www.correctcraftfan.com/diaries/details.asp?ID=1477 - 1983 Ski Nautique 2001
1967 Mustang 302 "Decoy"
http://www.youtube.com/watch?v=cO5MkcBXBBs - Holeshot Video
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Posted By: nuttyskier2002
Date Posted: January-31-2007 at 8:52pm
I have a set of GT40P heads for sale. They are equipped with 1.94/1.50 stainless steel valves and Comp Cams springs. They are drilled fro 1/2" head bolts and drilled and tapped for screw in studs and guide plates (which have been installed). They also have new cast iron valve guides installed and are machined down to accomodate cams up to .550 lift and have teflon seals. These heads are like brand new and ready to install.
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95 Malibu Echelon w/Mercruiser 350 Magnum Skier
Former boats:
88 Ski Centurion Tru Trac II
59 Chris Craft Capri (woody)
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