C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Which bolt to use for Hooker Headers

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Old Oct 21, 2003 | 07:33 PM
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Default Which bolt to use for Hooker Headers

Here is a picture of the S/S hex cap head bolt that makes it easy to torque your headers.



I noticed a lot of guys asking which to use.
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Old Oct 21, 2003 | 08:14 PM
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Default Re: Which bolt to use for Hooker Headers (Strick)

:thumbs: This is the kind of stuff/info I like to see! Thanks for sharing :cheers:
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Old Oct 21, 2003 | 09:16 PM
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Default Re: Which bolt to use for Hooker Headers (Strick)

I've said it before and I'll say it again - great idea :thumbs:

Are those regular SS? I mean there's not a lot of torque to worry about.
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Old Oct 21, 2003 | 11:04 PM
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Default Re: Which bolt to use for Hooker Headers (1MoorTym)

Yep they're S/S and 1" long, not 3/4" Notice I also used the chrome washers that came with the nice 12 point header bolts that I didn't use.
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Old Oct 21, 2003 | 11:18 PM
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Default Re: Which bolt to use for Hooker Headers (Strick)

Can you reach ALL the bolts to tighten? What tool do you use?
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Old Oct 21, 2003 | 11:54 PM
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Default Re: Which bolt to use for Hooker Headers (Strick)

Thats nice but.....how would you get your allen wrench into this spot to tighten down the bolt? This is number 2 cylinder on my LT4.



For spots like this I use either 3/8" 6 point hex heads or 12 point bolts, and notice behind the bolt is a SS square wire lock washer. While not near as robust of a locking mechanism as them fancy lock washers with a special E clip affair, these work well and I really doubt you could get one of them stage 8 locking do dads in this spot and if you did it would be hell to get it off.
The bolts I used are 3/8NC x 1" long ARP stainless steel bolts. I buy them by the 5 pack or in bulk packs, cheaper that way :)


[Modified by tjwong, 8:57 PM 10/21/2003]
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Old Oct 22, 2003 | 12:54 AM
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Default Re: Which bolt to use for Hooker Headers (tjwong)

So what did you guys use to mount dipstick tube and ac/alternator brackets?
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Old Oct 22, 2003 | 01:28 AM
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Default Re: Which bolt to use for Hooker Headers (BAM92)

The dip stick is mounted at the same location using the same factory stud. On my car with the EM headers, I had to delete the Alternator strut. There was no way to make that connection point at the number 1 tube. The AC support struts went back to their original locations using the factory hardware.

Deleting the Alternator strut is OK. There is no structural problems in doing so, 3 flat washers replaced the strut between the Alternator brace and the Alternator body. Once can get a litte fancy and make a spacer for this sport, but I didn't have the means at the time to do so. I don't like using washers but thats all I had available at the time.
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Old Oct 22, 2003 | 02:34 PM
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Default Re: Which bolt to use for Hooker Headers (tjwong)

Thats nice but.....how would you get your allen wrench into this spot to tighten down the bolt? This is number 2 cylinder on my LT4.



For spots like this I use either 3/8" 6 point hex heads or 12 point bolts, and notice behind the bolt is a SS square wire lock washer. While not near as robust of a locking mechanism as them fancy lock washers with a special E clip affair, these work well and I really doubt you could get one of them stage 8 locking do dads in this spot and if you did it would be hell to get it off.
The bolts I used are 3/8NC x 1" long ARP stainless steel bolts. I buy them by the 5 pack or in bulk packs, cheaper that way :)


[Modified by tjwong, 8:57 PM 10/21/2003]
Did you notice the difference between our two headers? Mine are Hookers. The tubes go in different directions from yours, one reason I went with Hookers. I can get a allen socket on my torque wrench and use it on every bolt. As far as the ac/alt brackets, I just fabricated a spacer and it all went back together just like the General had it. Same with the dip stick.
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Old Oct 22, 2003 | 06:54 PM
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Default Re: Which bolt to use for Hooker Headers (Strick)

With my Tpis headers I was able to use all the brackets. I ground down the factory bolt to mount them to. Just wondering if there was a better way.
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