Broken screw in block :( - Mustang Evolution

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Old 05-11-2012, 09:39 PM   #1
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Broken screw in block :(

Went to put on the boss manifold everything was going good till i screwed the manifold onto the head 89in lbs. boom, screw snapped half of it is in the block. Im so sad
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Old 05-11-2012, 09:41 PM   #2
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Re: Broken screw in block :(

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Went to put on the boss manifold everything was going good till i screwed the manifold onto the head 89in lbs. boom, screw snapped half of it is in the block. Im so sad
**** ... that is not good. Can you get it out?
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Old 05-12-2012, 12:13 AM   #3
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EXACTLY what happened to my friend. Nothing u can do from there. We had to tow his car to a mustang shop who then fixed it and installed it. Cost about $500 or everything including dyno. Sorry to hear that dude. Good luck.
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Old 05-12-2012, 12:14 AM   #4
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Re: Broken screw in block :(

Glad I used the german torque wrench on that one. Sounds like the bolts are torque to yield perhaps?
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Old 05-12-2012, 12:32 AM   #5
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Re: Broken screw in block :(

Where are you located? Pull the manifold off and see if can get to it with vice grips or a small chisel.
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Old 05-12-2012, 06:33 AM   #6
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I work at a shop so im going to have a pro mechanic easy out it its flat against the manifold.

We torqued down the screw to 89in lbs we ddnt work up to it just flat ot 89 on the first one and it broke... I dont understand why it broke.

I finished the x pipe and catback and its too loud holy **** im deff going to get a ticket
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Old 05-12-2012, 06:50 AM   #7
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Ffuuuuuuuuuuuuuuucccckkkkk
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Old 05-12-2012, 07:56 AM   #8
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Quote:
Originally Posted by Napoleon85
Glad I used the german torque wrench on that one. Sounds like the bolts are torque to yield perhaps?
I've got one of those, Göodntïght! Lol

---------- Post added at 07:56 AM ---------- Previous post was at 07:54 AM ----------

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Originally Posted by Yellow50

Ffuuuuuuuuuuuuuuucccckkkkk
You could drill it out, tap it or go with some heli coils.
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Old 05-12-2012, 08:05 AM   #9
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I did the same thing. Lol I finished hand tightening the rest and drive it carefully to the shop. No need for a tow.

Once your all done, you'll love it!!!!
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Old 05-12-2012, 11:52 AM   #10
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Re: Broken screw in block :(

Quote:
Originally Posted by Yellow50 View Post
Went to put on the boss manifold everything was going good till i screwed the manifold onto the head 89in lbs. boom, screw snapped half of it is in the block. Im so sad
I just installed mine this morning and I thought I came close to doing that. Im sorry to hear about that man. I did that on my old 81 Z28. Broke a bolt off right in the manifold tightening down a carb
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Old 05-12-2012, 12:09 PM   #11
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I always go down in the hole and weld to the bolt and build it up to the top of the hole. Then weld a nut on it and extract it. But I weld for a living. Not no bs mig welding either. Find you a GOOD welder and he can get it out no problem. Just in the last month I've probably removed over 100 broken bolts this way.

---------- Post added at 12:09 PM ---------- Previous post was at 12:05 PM ----------

And don't use helicoils. They're weak. They make threaded inserts that are similar to a helicoil but much better. The threaded inserts are solid and is like screwing a threaded nut with threads on the outside. EzLok is a good brand.
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Old 05-12-2012, 12:47 PM   #12
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Keenserts are another insert but you have to watch the material thickness around the hole. The helicoils take a smaller tapped thread to install
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Old 05-12-2012, 01:17 PM   #13
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Re: Broken screw in block :(

Ck to see if they are stretch bolts maybe one time use , or you have to ck over all length to see if there out of speck . some times broken bolts will back with a little lub & gentle reverse taping or a reverse drill bit Snap On sells thim Good Luck
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Old 05-12-2012, 03:30 PM   #14
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A good old timers trick that I have used is to take a metal coat hanger clamp it into some jumper cables then put the hanger on the bolt and tap the other clamp in the positive battery post and it will weld to the bolt and you can unscrew it. I haved used this a couple times and it works like a charm just make sure the hanger is on the bolt and not on the side of the hole if it's deep
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Old 05-12-2012, 03:53 PM   #15
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I got it out pheww thank god

Ford 0
Dennis 1

Lol

I got lucky i just kept tapping the bolt with a small standard screw driver and got it to turn. Then i used my nails on my fingers to get it out. I was so relieved. If that didnt work i was going to weld a stick and nut onto it and if that didnt work i had reverse drill bits. I installed tuned and havent tested it throughly yet. One thing to note is around 3-4k rpm it bogs a bit and the shifter is 100x smoother. Oh yeah and its way too loud. Suggestions for mufflers?
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Old 05-12-2012, 03:56 PM   #16
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Re: Broken screw in block :(

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Originally Posted by Yellow50 View Post
I got it out pheww thank god

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Dennis 1

Lol

I got lucky i just kept tapping the bolt with a small standard screw driver and got it to turn. Then i used my nails on my fingers to get it out. I was so relieved. If that didnt work i was going to weld a stick and nut onto it and if that didnt work i had reverse drill bits. I installed tuned and havent tested it throughly yet. One thing to note is around 3-4k rpm it bogs a bit and the shifter is 100x smoother. Oh yeah and its way too loud. Suggestions for mufflers?
Man I'm glad you got that sorted out! It shouldn't be bogging, did you relearn the idle/fuel trim strategy properly? If not it might be a tune issue.

What exhaust setup are you running now?
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Old 05-12-2012, 04:10 PM   #17
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Quote:
Originally Posted by Yellow50
I got it out pheww thank god

Ford 0
Dennis 1

Lol

I got lucky i just kept tapping the bolt with a small standard screw driver and got it to turn. Then i used my nails on my fingers to get it out. I was so relieved. If that didnt work i was going to weld a stick and nut onto it and if that didnt work i had reverse drill bits. I installed tuned and havent tested it throughly yet. One thing to note is around 3-4k rpm it bogs a bit and the shifter is 100x smoother. Oh yeah and its way too loud. Suggestions for mufflers?
Should've gotten a JLT CAI and the boss tower brace. But nonetheless, congrats for getting it fixed. ENJOY SAFELY!!
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Old 05-12-2012, 04:21 PM   #18
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Re: Broken screw in block :(

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Should've gotten a JLT CAI and the boss tower brace. But nonetheless, congrats for getting it fixed. ENJOY SAFELY!!
Why? Stock intake is fine with the $70 tube.
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Old 05-12-2012, 05:56 PM   #19
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Quote:
Originally Posted by Napoleon85

Man I'm glad you got that sorted out! It shouldn't be bogging, did you relearn the idle/fuel trim strategy properly? If not it might be a tune issue.

What exhaust setup are you running now?
I just installed the tune and thts it. What else am i supposed to do because te car dsnt feel much fasyer
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Old 05-12-2012, 06:03 PM   #20
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Re: Broken screw in block :(

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I just installed the tune and thts it. What else am i supposed to do because te car dsnt feel much fasyer
http://www.motorcraftservice.com/pub.../11musog3e.pdf

See page 279. If you didn't do this immediately after loading the tune you need to let your engine cool completely so that you will have a cold start, disconnect your negative battery terminal, reconnect it then follow the directions.

I never used to do this and had a lot of problems with idling and stuttering, but after performing this recommended procedure, I have not had these issues any longer.

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AM also made a sticky on this at AFM, but it affects tunes from everyone.

http://www.allfordmustangs.com/forum...look-here.html
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Old 05-13-2012, 05:52 PM   #21
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Re: Broken screw in block :(

If the bolts are Torque to Yield wouldnt one need to buy new bolts when you remove them? How much are they from Ford. Are they a standard metric thread with a flanged head like somehting you can buy from McMaster Carr?


Edit: By standard i dont mean SAE i would assume they are metric.
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