Head Bolt Washers?
Thread Starter
Melting Slicks
Joined: Jul 2003
Posts: 2,140
Likes: 0
From: Cincinnati Ohio
Head Bolt Washers?
Bought Fel Pro head bolt kit for my 92 (lt1, alnm heads)My old bolts have washers on them....Fel Pros do not...Do I need washers with aluminum heads?..Even the little diagrams in the helms look like they show washers :confused: All I wanna do is drive it :banghead: :cry Where can I get head bolts with the washers?
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
Re: Head Bolt Washers? (Powerdrive)
Yes, you need washers under the heads of the head bolts. Without the washers, the bolt's head will cut into the aluminum causing uneven loading of the bolt torque.
I'm guessing that you ordered the wrong head bolt kit, you must have gotten a set for an iron head engine.
ARP, SPS, Moroso, and many other sells head bolt sets which come with the required washers. The washers should have a flat side and a beveled side; the flat side goes against the head.
Hope this helps.
Jake
I'm guessing that you ordered the wrong head bolt kit, you must have gotten a set for an iron head engine.
ARP, SPS, Moroso, and many other sells head bolt sets which come with the required washers. The washers should have a flat side and a beveled side; the flat side goes against the head.
Hope this helps.
Jake
Race Director
Joined: Sep 2000
Posts: 17,298
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From: The Top of Utah
Re: Head Bolt Washers? (JAKE)
If the new bolts are the right length and otherwise correct, can't he just reuse the old washers? I was going to mention this earlier, but I'm not that familiar with the LT series engines.
RACE ON!!!
RACE ON!!!
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
Re: Head Bolt Washers? (CFI-EFI)
If the new bolts are the right length and otherwise correct, can't he just reuse the old washers? I was going to mention this earlier, but I'm not that familiar with the LT series engines.
RACE ON!!!
RACE ON!!!
Jake
Thread Starter
Melting Slicks
Joined: Jul 2003
Posts: 2,140
Likes: 0
From: Cincinnati Ohio
Re: Head Bolt Washers? (JAKE)
Thnx..I was thinking the bolts would cut into the heads also....The local parts guy double checked the Fel Pro prt# and called one of the Chevy dealers parts dept. According to the parts guy at Chevy...."only Zr1s had washers..." :skep: :bs :confused: Ever had the feeling youre surrounded by idiots. Thanks again CF kix azz.... :chevy (no the old washers are sized to the bolt ...They slide.... they spin ...but they dont come off :nonod: )
[Modified by Powerdrive, 5:02 PM 3/12/2004]
[Modified by Powerdrive, 5:02 PM 3/12/2004]
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Re: Head Bolt Washers? (Powerdrive)
Thanks again CF kix azz.... :chevy (no the old washers are sized to the bolt ...They slide.... they spin ...but they dont come off :nonod: )
RACE ON!!!
[Modified by CFI-EFI, 4:44 PM 3/12/2004]
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Race Director
Joined: Apr 2000
Posts: 15,344
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From: Texas
Re: Head Bolt Washers? (Powerdrive)
Thnx..I was thinking the bolts would cut into the heads also....The local parts guy double checked the Fel Pro prt# and called one of the Chevy dealers parts dept. According to the parts guy at Chevy...."only Zr1s had washers..." :skep: :bs :confused: Ever had the feeling youre surrounded by idiots. Thanks again CF kix azz.... :chevy (no the old washers are sized to the bolt ...They slide.... they spin ...but they dont come off :nonod: )
[Modified by Powerdrive, 5:02 PM 3/12/2004]
[Modified by Powerdrive, 5:02 PM 3/12/2004]
Burning Brakes
Joined: May 2000
Posts: 1,160
Likes: 10
From: Nashville TN
Re: Head Bolt Washers? (Powerdrive)
Steel bolts---aluminum heads=corrosion.
Steel bolts---iron heads=fine.
You need the washers. :) Any time you are joing 2 different metals.
The coating on the bolts would usually protect, but when the metal contacts and spins, this coating will get rubbed off. The solution, aluminum washers. This minimizes the corrosion levels which still exists but it's only washers and bolts rather than the heads themselves.
Steel bolts---iron heads=fine.
You need the washers. :) Any time you are joing 2 different metals.
The coating on the bolts would usually protect, but when the metal contacts and spins, this coating will get rubbed off. The solution, aluminum washers. This minimizes the corrosion levels which still exists but it's only washers and bolts rather than the heads themselves.
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
Re: Head Bolt Washers? (kman0066)
I had to replace a head bolt when I re-built a 355 a few years ago so I went to Chevy for a single replacement. It came with an intergral washer to the bolt head. No, not one that is in addition to the bolt, but part of the bolt itself.
I questioned it at the parts counter since it was different from the other head bolts I had and I was shown on their computer screen that it's the correct replacement head bolt.
I do know that some aftermarket head bolt companies - Milidon comes to mind - call for ordering a washer package when you get their head bolts. the bolts and washers are sold separately, but the ARPs I'm running came with washer.
A guy I know installed a new pair of AFR 210s without using washers under the heads of the head bolts and you should see the mess they made of the heads. The car owner needed to send the heads back to AFR to have the head bolt seats repaired.
Jake
I questioned it at the parts counter since it was different from the other head bolts I had and I was shown on their computer screen that it's the correct replacement head bolt.
I do know that some aftermarket head bolt companies - Milidon comes to mind - call for ordering a washer package when you get their head bolts. the bolts and washers are sold separately, but the ARPs I'm running came with washer.
A guy I know installed a new pair of AFR 210s without using washers under the heads of the head bolts and you should see the mess they made of the heads. The car owner needed to send the heads back to AFR to have the head bolt seats repaired.
Jake
