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Old 09-25-2011, 08:18 AM   #1
B Mccue
 
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Tools needed for high flow cats install

Can someone help me out with a tool list for installing my high flow cats? I want to make sure I have everything I need before I start.
Socket and wrench sizes?
how long of an extension to reach the manifold flange bolts
Do I need a swivel?
I'm going to borrow an o2 socket from the parts store, so that shouldn't be an issue.

I hate making trips to the store for that one wrench I don't have while in the middle of a job.
Any help, tips, and cautions will be greatly appreciated.
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Old 09-25-2011, 08:22 AM   #2
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People have a hard time removing one of the O2 sensors. Just FYI. Not sure on sizes... My guess is 15mm. I forget and my car is too low to go check.

I'd have a 6" and 12" extension. Good tools to have. I never mind buying tools.
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Old 09-25-2011, 08:27 AM   #3
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Originally Posted by jrhaus76 View Post
People have a hard time removing one of the O2 sensors. Just FYI. Not sure on sizes... My guess is 15mm. I forget and my car is too low to go check.

I'd have a 6" and 12" extension. Good tools to have. I never mind buying tools.
Thanks, I'll buy both extensions, I'm guessing as long as I have a range of 14 to 18 mm shallow sockets, the extensions, the o2 socket, that should be it?
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Old 09-25-2011, 09:16 AM   #4
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I believe the bolts on the back end of the cats are 13mm.
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Old 09-25-2011, 09:26 AM   #5
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Probably a good idea to soak all the bolts and O2's with penetrating oil for a while before you get started.

I prefer
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Old 09-25-2011, 09:47 AM   #6
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Post up your gains when you get some after the install. Thanks
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Old 09-25-2011, 09:55 AM   #7
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Quote:
Originally Posted by B Mccue View Post
Thanks, I'll buy both extensions, I'm guessing as long as I have a range of 14 to 18 mm shallow sockets, the extensions, the o2 socket, that should be it?
BUY DEEP WELL!!! The shank is pretty long and a shallow probably wont work!!! I had to go buy a deep well.

Quote:
Originally Posted by stieger View Post
I believe the bolts on the back end of the cats are 13mm.
Maybe...

Quote:
Originally Posted by bucketobolts View Post
Probably a good idea to soak all the bolts and O2's with penetrating oil for a while before you get started.

I prefer
GREAT IDEA!
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Old 09-25-2011, 10:03 AM   #8
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I bought an O2 sensor socket from my Snap-On guy,Its 22mm.
Also,make sure the exhaust is hot,I know it would be easier if it was cool,thats what me and my buddy thought,but it will make taking the O2 sensors out a lot easier and will help prevent stripping the threads like I did on one of mine when we removed it :(
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Old 09-25-2011, 10:10 AM   #9
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Thanks guys, looks like I need a couple of extensions and a 15 and 16 deep socket. Do I need a swivel to get the back manifold nut? Do I need someone under the car or can I do this myself?
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Old 09-25-2011, 10:15 AM   #10
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No,no swivel was needed for mine.
It would help to have someone under the car,thats how we did mine,we actually removed the manifolds and cats together,but I was installing my LT headers,hi-flow cats,and CORSA all at the same time.
Are you just doing cats? or do you have headers too?
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Old 09-25-2011, 10:16 AM   #11
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Quote:
Originally Posted by MS3DALE View Post
No,no swivel was needed for mine.
It would help to have someone under the car,thats how we did mine,we actually removed the manifolds and cats together,but I was installing my LT headers,hi-flow cats,and CORSA all at the same time.
Are you just doing cats? or do you have headers too?
just cats, I don't have anyone to help me today and don't want to wait.
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Old 09-25-2011, 10:17 AM   #12
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OK,are you planning on removing your exhaust manifolds,or are you just trying to remove the cats only?
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Old 09-25-2011, 10:18 AM   #13
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Originally Posted by MS3DALE View Post
OK,are you planning on removing your exhaust manifolds,or are you just trying to remove the cats only?

cats only
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Old 09-25-2011, 10:19 AM   #14
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Quote:
Originally Posted by B Mccue View Post
Thanks guys, looks like I need a couple of extensions and a 15 and 16 deep socket. Do I need a swivel to get the back manifold nut? Do I need someone under the car or can I do this myself?
I did my whole exhaust system by myself. Just get her as high as you can. So you are just changing the cats? I installed headers so the manifolds came off with the cats but you do need a deep 15 mm socket. Spray the bolts real good the day before will help.

Good luck.
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