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

Pasenger Rear Hooker header bolt wrench?

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Old May 17, 2003 | 07:02 PM
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Default Pasenger Rear Hooker header bolt wrench?

How in the world do you get this puppy tightened?

All the rest I was able to get tight but that one is about to kill me!
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Old May 17, 2003 | 07:08 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

Hey LD....thats the hard spot eh? Wanna take off the a/c core cover?Not sure if that would even help.Just wanted to post and say lotsa luck and hope you get it.
:)
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Old May 17, 2003 | 07:19 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (Bill's86Coupe)

Thanks Bill, I thought I saw someone post a pic of a wrench with a 45 degree or such angle on the head.

Anyway Monday should be the big day!
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Old May 17, 2003 | 09:23 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

:cheers: Pretty sure I didn't post a pic! But I have made wrenches for header bolts and spark plugs with headers.

They aren't cheap! e mail me if you are interested

buydavette@aol.com

Thanks
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Old May 17, 2003 | 09:56 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

It's really not too bad to remove half of that damm A/C housing. Plus you'll be able to clean out the rat's nest that's in the evaporator/condenser thing. Mine was half full of pine needles and such.
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Old May 17, 2003 | 10:33 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

Hey Larry, you can use a six point ARP 5/16 head bolt. Part # 100-1107 for black oxide and 400-1107 for stainless. No special wrenches needed but still not the easiest job. Good luck! Terry :steering:
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Old May 17, 2003 | 10:38 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

do you have a picture? how much room do you have?

i just did it today on my car with headman's and i was able to get to it with a normal 3/8" wrench, about 6" long
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Old May 18, 2003 | 02:36 AM
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Default Re: Pasenger Rear Hooker header bolt wrench? (CarAteMyMoney)

do you have a picture? how much room do you have?

i just did it today on my car with headman's and i was able to get to it with a normal 3/8" wrench, about 6" long
Thanks guys I will check it out again tmoorrow with a clear head. I have the 6 point bolts, and I'm pretty sure the socket wont go over the head as it is too close to the header tube. I may have to grind down a socket and make the socket OD smaller I guess. The rest were doable.

Or sounds like removing the AC housing could be one of those maintenance things that have never been done, at least not by me. I may do this any way if it gets junk in it.


[Modified by ld85, 2:38 AM 5/18/2003]
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Old May 18, 2003 | 12:00 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

I'm sure you realize that a ground down socket may break. I know it will be worth it, if it works. I have seen open end wrenches heated and bent to sharp angles, just for header bolts. You might try what I am planning. Where they will fit, I plan to use the stock or similar manifold bolts. I believe the pass side rear is one position they will. Buy a spacer at the local home center, or hardware store and an appropriate length bolt if the spacer is shorter than stock. The spacer can be ground down for tube clearence, if necessary, but only where it is adjacent to the tube, not the full diameter. The spacer doesn't have to turn, like a socket does. The bolt head should then be out from the header tube/flange junction where it will be much easier to get a 9/16ths socket or wrench on. If you think about it,... it's almost TOO simple. Good luck, and...

RACE ON!!!
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[Modified by CFI-EFI, 10:04 AM 5/18/2003]
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Old May 18, 2003 | 01:09 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (CFI-EFI)

I believe the pass side rear is one position they will. Buy a spacer at the local home center, or hardware store and an appropriate length bolt if the spacer is shorter than stock. The spacer can be ground down for tube clearence, if necessary, but only where it is adjacent to the tube, not the full diameter. The spacer doesn't have to turn, like a socket does. The bolt head should then be out from the header tube/flange junction where it will be much easier to get a 9/16ths socket or wrench on. If you think about it,... it's almost TOO simple. Good luck, and...

RACE ON!!!
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[Modified by CFI-EFI, 10:04 AM 5/18/2003]
The spacer idea is indeed,,,,TOO SIMPLE, thanks for the idea!
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Old May 18, 2003 | 04:30 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

I found the best way to get to mine was from underneath the car with 1/4" drive socket and ratchet. I was surprised to find that from underneath, you can actually get more turns on the bolt. Good luck.

Sam
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Old May 18, 2003 | 05:48 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (LT4Sam)

Get a stubby 7/16" open end wrench from Sears. You can do it from above without removing anything, you just need to keep flipping the wrench since you can only turn the bolt so far until even the stubby wrench hits something. No problem doing it with a thumb and forefinger either, those bolts don't need to be *that* tight.
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Old May 18, 2003 | 07:08 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (TrueBlue ChevyDude)

Case solved,,, I took a large screwdriver and gently pried the buldging area of the header back in flat @ .045" and can now easily get a socket onto the bolt.

I should have checked this before I put it on but now they are all tight.

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Old May 18, 2003 | 07:26 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

:cheers: :cheers:
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Old May 18, 2003 | 07:27 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

Just saw your post, that bolt is a bear, same with TPIS LT's. I borrowed a funky snap-on 9/16 dual angle open end wrench. One end has the opening turned 45* the other ~80*. Still took some patience.

Glad to hear you're making good progress :thumbs:
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Old May 18, 2003 | 09:27 PM
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Default Re: Pasenger Rear Hooker header bolt wrench? (ld85)

The spacer idea is indeed,,,,TOO SIMPLE, thanks for the idea!
I took the hint from the "General". Check out your stock manifolds.

I see where you solved the problem by other means. Great! I "know" to clearence the tubes for the bolts, but I neglected to, before I had them coated. I really don't want to bend or deform anything at this point. Glad you've get it licked.

RACE ON!!!
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