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Author
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Topic: Help with block/head assembly
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ShiftyGT
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Member # 3862
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posted
 
 
I started to attach the heads to my new 306 when i noticed that the (used)GT40's already bolt holes had "insert" washers already on the head, but had 3 or four of them missing. I will be using ARP head bolts, these also came with there own washers.
Do i use both washers? or just the ones that came with the heads? What about the head holes that are missing the insert. Here are some pics of the head and the bolts that i have.
Thanks for any info!
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1990 GT, Back in action
Posts: 396 | From: Chico CA | Registered: Dec 2003
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JohnB
Tech Moderator
Member # 969
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posted
Yup, use them both. The head washers are to make up for the different headbolt sizes (302's are 7/16's..351's are 1/2"), the ARP washers are for the bolts themselves.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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ShiftyGT
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Member # 3862
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posted
What would you say about the ones that i am missing?? can i go without on 4 of the bolts? or are those washers easy enough to find? Where?
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1990 GT, Back in action
Posts: 396 | From: Chico CA | Registered: Dec 2003
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JohnB
Tech Moderator
Member # 969
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posted
Unfortunately, you'll have to buy the whol set...unless someone here on the board has a few extras. Summit sells them as a set. ![[Frown]](frown.gif)
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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