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Y-Pipe not going back on??? grrr

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Old May 30, 2007 | 09:23 PM
  #1  
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From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
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Y-Pipe not going back on??? grrr

Okay, I just fixed an oil leak where everything went wrong. Now, The Y-Pipe is not going on. I replaced the oil pan, but I replaced it with the same oil pan. So it is not going on. Does anyone think that raising the motor about an 1 or 2 inches help?


Thanks
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Old May 31, 2007 | 02:47 PM
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Re: Y-Pipe not going back on??? grrr

Okay, I'm going to say this, take it for what you want. I had the same trouble with my stock y-pipe.

After I unbolted my y pipe, it relaxed and warped. I spent three hours trying to pull it into postion and bolt it back up by myself.

What I did then worked.

I got a longer then needed bolt cut the head off it. Threaded it into the head at the number one cyl postion. Attached the manifold, drivers side, to the Y-pipe. and pulled the whole y pipe and manifold over and pushed it up onto the bolt. Then started the other bolts and removed the one I started with.

It's an old shade tree trick, I know. I would of rather put a new set of headers straight exhaust.

But, it went togther fine, no leaks.

I hate y pipes....with good reason....they dont hold there shape....
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Old May 31, 2007 | 05:10 PM
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From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Re: Y-Pipe not going back on??? grrr

oops, I forgot the main part. When I did get it on, I started threading it, and it hit and oil pan and I kept cranking and it bent it. It isn't major though, I just needed about about 1/4 of an inch, but I took it off because I bent the new oil pan. When isn't it fitting?
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Old May 31, 2007 | 05:51 PM
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From: NE Pennsylvania
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Axle/Gears: Strange S60 3.73
Re: Y-Pipe not going back on??? grrr

I currently have this problem as well, took it off and cant get it back up.
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Old May 31, 2007 | 06:11 PM
  #5  
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From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Re: Y-Pipe not going back on??? grrr

well, I can get mine on, it just bends my oil pan
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Old May 31, 2007 | 08:08 PM
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Re: Y-Pipe not going back on??? grrr

exhaust shop cough cough
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Old May 31, 2007 | 11:51 PM
  #7  
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From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Re: Y-Pipe not going back on??? grrr

haha *cough* *cough* no money *cough* *cough*.... Well, I got it on, it just wasn't on correctly I guess. It is still hitting my oil pan, but oh well. Thanks for the help though.
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Old Jun 1, 2007 | 01:38 AM
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From: Norwich, CT
Car: '89 Trans AM/'88 GTA
Engine: (2) Tuned Port L98's
Re: Y-Pipe not going back on??? grrr

Though I don't advise doing this, take it for what
its worth..It probally wont help you..but, For I too
had a similar incident with a Hedman kit Y-pipe and
was hitting the oil pan.

I heated the pipe up with a oxy-acetylene torch
(can use anything that generates enough heat)
and used a flat face metal working hammer and a
thick piece of steel to neatly shape a "indent" in
the Y-pipe where clearence was needed.

General Idea:



Fortunately, I did not have to manuever around
any bends in the pipe, for my clearence issue was
at a fairly straight point on the Y-pipe.

I had the "indent" sunk in roughly a 1/2inch or so,
which allowed room for the Y-pipe to bolt up and
not cook/bake my oil to the bottom of the pan.

Disregard if your issue is elsewhere, It probally
is since you still have the stock exhaust.

All else fails.. Exhaust shop
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Old Jun 1, 2007 | 08:16 PM
  #9  
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From: Alamogordo, NM
Car: 88 Formula 350
Engine: 5.7
Transmission: T-56
Axle/Gears: 9" 3.89
Re: Y-Pipe not going back on??? grrr

wow, I have the exact same problem. With it hitting the oil pan, it shouldn't be that bad of a problem, it wont mess things up too much will it?

Last edited by Bullydawg; Jun 1, 2007 at 08:28 PM.
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Old Jun 1, 2007 | 08:53 PM
  #10  
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From: Norwich, CT
Car: '89 Trans AM/'88 GTA
Engine: (2) Tuned Port L98's
Re: Y-Pipe not going back on??? grrr

Yea.. I thought the same thing, until I saw how
bad it was really hugging the oil pan.

Since you were able to get it on, your problem was
not as bad as mine was.. I couldnt even bolt mine up.

Use best judgement, Best case scenario is to get
that hot pipe away from your oil.

My biggest problem was vibration.. the whole
Y-pipe sucked onto the body pan, after 55-60mph,
..the vibration got way out of hand.

Hence, why I had to take some heat to the Y-pipe

Id rectify it as soon as possible, I just
happen to fix mine for free.. Hope that helps
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