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  #31 (permalink)  
Old 03-02-2013, 09:50 AM
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Originally Posted by 1Gary View Post
I respectfully disagree.The reason why is after all the time and money to get the intake runner just right,to have a nut bouncing around even on the back side of the valve can't be good.I would want to know where I'm at for certain.That is the reason why I built it.
maybe on a ported runner, I just threw a nut at a valve, no damage to the back side.. now maybe an all out flow tested valve.. where the tiniest of scratch might hurt 100000th % of flow... on an all out engine..
but on a street engine.. I'd worry about the valve face/seat if found in the intake..
but never can be to safe.. if that the way you feel..
I know the 1998 daytona engine had a nut bouncing around the intake for 2 laps.. and they went on to win

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  #32 (permalink)  
Old 03-02-2013, 03:43 PM
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Years ago, my brother was turning the corner and his truck started knocking. He limped it to the house and pulled the air cleaner, then he noticed a brass screw he used in the choke blade arm was missing.
After some careful listening to the engine, I tore the drivers side head off, and dug the bolt out of the piston where it was embedded. I put the head back on, adjusted all the valves, rebuilt the quadrajet and it ran GOOD.
I suspect ti needed a bit of a tune before I got there, the bolt in the piston just prompted me to get busy .
He drove that truck with that engine for about 8 more years, pulled a 21 foot proline with it season after season, untill it wore down.
Pull the intake get the bolt out.If not found, look in the cylinders.
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Old 03-02-2013, 04:02 PM
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Borrow a bore scope, snap on with the sceen would be nice. Pull the carb and go through the plug holes and look. I know it was suggested before, and it was good advice. With the snap on scope you will be able to find it, see any damage and then you'll know what your up against.
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Old 03-02-2013, 04:04 PM
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Also, I'd pull the plugs first, if 1 is closed up or damaged then you won't need the bore scope.
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Old 03-02-2013, 05:23 PM
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Chances are, with the engine running and driving the car,depending on which side the bolt went down, its most likely to have gone into one of the 4 rear cylinders of the engine.Think about it.
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Old 03-03-2013, 11:21 AM
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Quote:
Originally Posted by LATECH View Post
Years ago, my brother was turning the corner and his truck started knocking. He limped it to the house and pulled the air cleaner, then he noticed a brass screw he used in the choke blade arm was missing.
After some careful listening to the engine, I tore the drivers side head off, and dug the bolt out of the piston where it was embedded. I put the head back on, adjusted all the valves, rebuilt the quadrajet and it ran GOOD.
I suspect ti needed a bit of a tune before I got there, the bolt in the piston just prompted me to get busy .
He drove that truck with that engine for about 8 more years, pulled a 21 foot proline with it season after season, untill it wore down.
Pull the intake get the bolt out.If not found, look in the cylinders.
The thing is there are no two alike on stuff like this.
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Old 03-03-2013, 12:46 PM
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The thing is there are no two alike on stuff like this.
Agreed.
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Old 03-03-2013, 01:41 PM
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OK let me put my two cents in. I had a similar experience years ago. Lost a 1/4 inch nut down the carb. I didn't know where it went until I fired it up. Funny noise. End result? One broken piston, one bent valve, and one cracked block.
My advice? Don't run it until you find that nut. Do all the things everyone else has suggested and dismantle your engine as far down as you have to. It will be cheaper in the long run.

BB
I'm going to re-post this as there were no comments. This is the worst case scenario but it's easy to have happen. If you drop a nut into your engine you had better retrieve it before you run that engine. My block ended up being a boat anchor even after having it sleeved. Better find that nut.

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Old 03-03-2013, 03:51 PM
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Op, did you find it yet?
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  #40 (permalink)  
Old 03-03-2013, 04:33 PM
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I'm going to re-post this as there were no comments. This is the worst case scenario but it's easy to have happen. If you drop a nut into your engine you had better retrieve it before you run that engine. My block ended up being a boat anchor even after having it sleeved. Better find that nut.

BB
That was the reaon for my post about the bolt embbedded into the piston. He was lucky...real lucky. just trying to raise some awareness.
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  #41 (permalink)  
Old 03-04-2013, 06:37 AM
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Another alternative to the magnet trick is a piece of hose taped to the end of a vacuum nozzle.
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