I have a bigger ***** than you (Kill that KR 2006?) - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 08-06-2006, 12:37 AM   #1
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Default I have a bigger ***** than you (Kill that KR 2006?)

first a thanks to billboost37 to pulling these for me off the 1993 parts car, greatly appreciated...


Back on Topic...Look at the size of this exhaust manifold crack.







As you can see my new manis (cores) are much better off however still have cracks.

I plan to purchase the Downpipe Gasket along with the crossover pipe gasket. I also will need to go to napa to get the head to mani gasket. I also plan to purchase new bolts from GM along with a new knock sensor..I'm assuming it will be easy to get to once the manifolds come off

I'm taking them to a good machine shop to do the porting hopefully and at least weld the new ones up.......



A few questions....

What Retainers or rivets for the heatsheild should I use after I port them?

What all HAS to come off in order to remove the manifolds on the car..I'm assuming the alternator bracket...engine pull bracket....throttle body, valve covers...do those have to come off?

I have removed the heatshields on the front (1,3,5) side..any chance of cracks under the rear ones?

Most importantly, obviously an exhaust leak like this will cause power loss in general, but would it be loud enough to put that KR meter up there fairly high?

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Old 08-06-2006, 12:43 AM   #2
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Default Re: I have a bigger ***** than you (Kill that KR 2006?)

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first a thanks to billboost37 to pulling these for me off the 1993 parts car, greatly appreciated...
thanks to 1993 sle for pulling them off the parts car.......
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Old 08-06-2006, 12:53 AM   #3
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Default Re: I have a bigger ***** than you (Kill that KR 2006?)

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first a thanks to billboost37 to pulling these for me off the 1993 parts car, greatly appreciated...
thanks to 1993 sle for pulling them off the parts car.......
ah...thanks pat.
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Old 08-06-2006, 01:01 AM   #4
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Wow. I don't even have visible cracks like that. When I pull my engine, I am fixing any cracks and putting the coating on them that Will used.
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Old 08-06-2006, 01:05 AM   #5
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im thinking thats whats wrong with my car.. i have a leak some where up there i just havn't found it yet.... now i know what to look for, never seen where a craked manifold looks like
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Old 08-06-2006, 01:42 AM   #6
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Holy ****...yeah that will cause some KR lol
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Old 08-06-2006, 02:07 AM   #7
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Hans, it'* tricky, but you can get them in and out without pulling anything off the car.
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Old 08-06-2006, 12:25 PM   #8
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That'* a huge crack!! Glad you got replacements.
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Old 08-08-2006, 05:56 PM   #9
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Cracks on the new ones have been welded by "Bill'* Muffler"..they did a very good job made a VERY thick weld. apparently the guy said customers commonly come in with an exhaust leak they think is the pipe or cat converter however its the manifolds.

they also welded around the head output area instead of tack welding.

Either way it looks like they are not warped at all...it took him about 2hours total to weld the pipe to the header plate section since he did about 1/5th turn at a time.

On the other side of this shop theres a machine shop that specializes in restoring and building hot rods. I dropped the manifolds off there to have them mill the surface and port them to get rid of the old interior weld.

New studs have been purchased from the heads to the dp, and should be here later this week. I already have all the gaskets including the head to manifold gasket.




Finally any ideas how to reattach the heat shields?
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Old 08-08-2006, 06:17 PM   #10
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Rivets man. That'* what I did. You need a Pop rivet tool. Home Depot or Lowes, not expensive.

But before you do, get over to Speedway Motors (www.speedwaymotors.com) and get that DIY ceramic coating. Do them now. It'* much easier than on the car.
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