Crack in Aluminum Intake on '69 Z/28 - Team Camaro Tech
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post #1 of 10 (permalink) Old Apr 10th, 10, 01:39 PM Thread Starter
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Rod
 
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Crack in Aluminum Intake on '69 Z/28

I went out and started my '69 Z today, and noticed a small crack in the aluminum intake. It runs vertical up towards the carb from right above the thermostat. This may be a dumb question, but is it dangerous to drive the car with a crack in the intake? What kind of damage might I do to it? How is the best way to go about fixing it? It is the original to my car, so I sure don't want to mess it up. Need help, thanks.

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post #2 of 10 (permalink) Old Apr 10th, 10, 01:45 PM
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Re: Crack in Aluminum Intake on '69 Z/28

Rod, use that Gold Membership. Pictures!

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post #3 of 10 (permalink) Old Apr 10th, 10, 04:26 PM
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Re: Crack in Aluminum Intake on '69 Z/28

You can have it tig welded...

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post #4 of 10 (permalink) Old Apr 10th, 10, 05:36 PM
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Re: Crack in Aluminum Intake on '69 Z/28

If the crack goes into water it could cause quite a mess, esp if the crack goes to the bottom side of the intake where you can't see it. (water into the engine) I'd have it repaired. These guys can repair it and make it look like new - no idea on the cost.

http://www.z28camaro.com/restosvcs.html#AIM


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post #5 of 10 (permalink) Old Apr 10th, 10, 10:16 PM
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Re: Crack in Aluminum Intake on '69 Z/28

A good engineering shop will grind a V out, if possible from the inside, put it in an oven, heat it up, then tig fill the V in with the correct alloy.
If they have to do it from the outside then you will see the tig join....this can be 'hidden' with with playing around with very coarse grit sand blaster and pressures to duplicate the casting sand pattern.

My Spelling is not incorrect...it is creative

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post #6 of 10 (permalink) Old Apr 13th, 10, 09:17 AM Thread Starter
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Re: Crack in Aluminum Intake on '69 Z/28

Thanks for the help guys. I was already thinking about getting Jerry to fix it, now I think I will. Does anybody know what it might cost and an estimate about turn around time for him? I know that is a hard question, but anybody who might have had this done I would be interested to know how it went. Thanks again.

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post #7 of 10 (permalink) Old Apr 13th, 10, 02:19 PM
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Re: Crack in Aluminum Intake on '69 Z/28

Why ask us...go to the horses mouth for the correct answer.

My Spelling is not incorrect...it is creative

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post #8 of 10 (permalink) Old Apr 13th, 10, 03:44 PM
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Re: Crack in Aluminum Intake on '69 Z/28

Picts would be great. I can't understand a crack in an intake from therostat, "down across then up to the carb. If something like that happened, heads are milled, intake wasen't. There is something is really wrong. Pictures would be great!!!
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post #9 of 10 (permalink) Old Apr 14th, 10, 10:11 AM Thread Starter
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Re: Crack in Aluminum Intake on '69 Z/28

Quote:
Originally Posted by john68 View Post
Picts would be great. I can't understand a crack in an intake from therostat, "down across then up to the carb. If something like that happened, heads are milled, intake wasen't. There is something is really wrong. Pictures would be great!!!
Not sure what you mean when you say "down across then up", that is not what I was trying to say, the crack goes from base of carb down the front of the intake to almost where the thermostat is (top radiator hose), I don't have any pics as of yet to post. It shouldn't have anything to do with the heads being milled or the intake I don't believe. Looks to be just a stress crack, not sure if it goes all the way thru the intake. I apologize if my description was confusing. Sounds like it should be a pretty easy fix for someone like Jerry MacNeish. I tried to contact shop but didn't get an answer, will try later. Just thought someone on here might have had some repair work done and could give me a ballpark figure about how much and how long it would take. Thanks for the help thus far.

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post #10 of 10 (permalink) Old Apr 14th, 10, 03:10 PM
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Re: Crack in Aluminum Intake on '69 Z/28

Head out to the local airport...there will be an engineering shop that uses the services of a skilled welder craftman....

I had a crack in a trans case...cost me 20 bucks and a bottle of Chivas...the Chivas I thru in as appreciation.

The guy was busy, so told me to go over into a cnr of the workshop, gave me a dremel, told me what to do...all he did from there was tig up....no he wasnt going to let me use his tig..I did ask thu lol

Bu hey ..this is NZ...thats how things work here for small one off jobs.

My Spelling is not incorrect...it is creative

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