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| RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections. | 
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|  06-24-2008, 07:11 AM | #1 | 
| 2nd Generation Freak Join Date: Mar 2008 Location: Chuck Vegas, NH 
					Posts: 64
				Rep Power: 18  | 
				
				broken manifold stud
			 
			
			Well, I just took my turbo off so I could replace the gaskets and fix a leak. everything came apart well, but when I got to the manifold i realized that someone has previously taken it off and they broke the top stud on the rear rotor housing, and never fixed it. So I try and use an easy-out to pull the broken stud out and as soon as the stud started to turn the easy out broke. So now I have a piece of chrome-vanadium steel stuck in there and I can't drill through it. Does anyone have any suggestions for what I can do? I talked to one guy about it and he said I can take a small punch and slowly break apart the easy-out, then just drill and tap the rest of the bolt out. 
				__________________ '87 TII- full emissions removal, a/c removed, FPD removed, dual 12" e-fans, Rotary Performance FCD, ACT unsprung 6 puck w/ Xtreme PP, custom open 2.5 inch exhaust, custom clutch pivot ball, K&N cone filter, TB mod, RB downpipe, motor blown 8/7/09  '94 Mazda B4000- POS beater truck, stock "The easiest way to fail is to never try." - Me | 
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|  06-24-2008, 03:47 PM | #2 | 
| RCC Addict Join Date: Feb 2008 Location: VA 
					Posts: 1,812
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			I'm not sure how far in its stuck, but if you do use the punch you may be able hit the broken stud at an angle and "spin" it out enough to get some vice grips or something on it and take it the rest of the way out. If not, chipping it out will probably work too - but take a while... Do you have access to a welder or torch? | 
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|  06-24-2008, 05:53 PM | #3 | 
| My minds tellin' me no... Join Date: Feb 2008 Location: Murfreesboro, TN 
					Posts: 4,043
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			Since the ez out is in there too, try to get someone who is GOOD at welding to tack a nut onto whats there, and then use heat and PB Blaster to get that bitch out!
		 
				__________________ 1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5 | 
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|  06-24-2008, 05:58 PM | #4 | |
| FUCK the fucking fuckers Join Date: Mar 2008 Location: THE only Bay Area, Northern California 
					Posts: 3,172
				Rep Power: 21  | 
			
			http://www.4grabit.com/Default.asp?g...d8ivwew&bhcp=1 would this help? I've always wanted to know if it works like they say. 
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|  06-24-2008, 06:34 PM | #5 | 
| 2nd Generation Freak Join Date: Mar 2008 Location: Chuck Vegas, NH 
					Posts: 64
				Rep Power: 18  | 
			
			the stud was broken just short of having any part of it exposed. we have been chiseling at it with punches, but no luck. I should have just drilled it out and retapped it but you know what they say about hindsight. Please keep the ideas coming.
		 
				__________________ '87 TII- full emissions removal, a/c removed, FPD removed, dual 12" e-fans, Rotary Performance FCD, ACT unsprung 6 puck w/ Xtreme PP, custom open 2.5 inch exhaust, custom clutch pivot ball, K&N cone filter, TB mod, RB downpipe, motor blown 8/7/09  '94 Mazda B4000- POS beater truck, stock "The easiest way to fail is to never try." - Me | 
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|  06-24-2008, 06:36 PM | #6 | |
| Sigh..... Join Date: Feb 2008 Location: Murfreesboro, TN 
					Posts: 2,377
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				__________________ 1986 Sport: 132k miles, 5A (Sapphire Blue Metallic), Tokico Blues, Racing Beat Springs, Custom LED tailights (only S4 LED tails in the world), SSR Mark II, Racing Beat exhaust, S5 black interior, Rotary Resurrection rebuild at 120k miles Community Service Manual RotorWiki "Imagination costs nothing; we could build square locomotives or fly to Mars" - Felix Wankel Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is called the "present." | |
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|  06-24-2008, 07:10 PM | #7 | |
| FUCK the fucking fuckers Join Date: Mar 2008 Location: THE only Bay Area, Northern California 
					Posts: 3,172
				Rep Power: 21  | 
			
			No sound card on the work computer so I didn't hear the music.  Was it the McGyver theme?
		 
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|  06-24-2008, 09:56 PM | #8 | 
| 2nd Generation Freak Join Date: Mar 2008 Location: Chuck Vegas, NH 
					Posts: 64
				Rep Power: 18  | 
			
			Yeah, that grabit thing looks like it works well if the fastener isn't siezed, but I doubt it would handle the torque it takes to remove a steel bolt from aluminum.
		 
				__________________ '87 TII- full emissions removal, a/c removed, FPD removed, dual 12" e-fans, Rotary Performance FCD, ACT unsprung 6 puck w/ Xtreme PP, custom open 2.5 inch exhaust, custom clutch pivot ball, K&N cone filter, TB mod, RB downpipe, motor blown 8/7/09  '94 Mazda B4000- POS beater truck, stock "The easiest way to fail is to never try." - Me | 
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|  06-24-2008, 10:10 PM | #9 | |
| FUCK the fucking fuckers Join Date: Mar 2008 Location: THE only Bay Area, Northern California 
					Posts: 3,172
				Rep Power: 21  | 
			
			maybe you're right.    
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|  06-25-2008, 11:18 AM | #10 | 
| RCC Addict Join Date: Feb 2008 Location: VA 
					Posts: 1,812
				Rep Power: 19  | 
			
			The welding a nut to the end of it was my other thought... Other solutions I could think of dont apply with the engine being assembled and in the car... Maybe you can find an even stronger drill bit? lol... | 
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|  06-25-2008, 02:41 PM | #11 | 
| 2nd Generation Freak Join Date: Mar 2008 Location: Chuck Vegas, NH 
					Posts: 64
				Rep Power: 18  | 
			
			yeah i found a carbide tipped bit that i am going to try tonight
		 
				__________________ '87 TII- full emissions removal, a/c removed, FPD removed, dual 12" e-fans, Rotary Performance FCD, ACT unsprung 6 puck w/ Xtreme PP, custom open 2.5 inch exhaust, custom clutch pivot ball, K&N cone filter, TB mod, RB downpipe, motor blown 8/7/09  '94 Mazda B4000- POS beater truck, stock "The easiest way to fail is to never try." - Me | 
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