Cat Issue
Thread Starter
|
Junior User
Joined: Oct 2006
Posts: 86
Likes: 0
Cat Issue
Hello All,
I've got a buddy who has a '90 with a 5.8L. He was having power issues, so he took it to his mechanic. Mechanic says he needs a new cat. According to his him, he'd have to replace the entire y-pipe (as he referred to it). Anybody have any info on this kind of fix? How much would one expect to pay for such a repair. He seems to be getting different answers depending on who he asks.
Thanks a bunch in advance!
I've got a buddy who has a '90 with a 5.8L. He was having power issues, so he took it to his mechanic. Mechanic says he needs a new cat. According to his him, he'd have to replace the entire y-pipe (as he referred to it). Anybody have any info on this kind of fix? How much would one expect to pay for such a repair. He seems to be getting different answers depending on who he asks.
Thanks a bunch in advance!
Senior User
Joined: Jul 2007
Posts: 309
Likes: 0
From: Owensboro, KY
I wondered about that myself, since I'm considering eliminating the cat in my '87. Mine is set up the same way as the '90 in question.
How hard is it to get all of the honeycomb out of the first cat?
How hard is it to get all of the honeycomb out of the first cat?
Cross-Country
Joined: Nov 2005
Posts: 95
Likes: 0
From: Portsmouth, OH
It's actually pretty easy. You'll need a long prybar or spike end bar. Cut the 2nd cat out then just ram the prybar into the exhaust pipe toward the other cat. Keep poking till the honeycomb is pretty well busted up. At this point you have a choice of how to rid yourself of the junk in the cat and pipe. You can use a vacuum cleaner to suck it all out, or do as I did and just start the truck and rev it a few times and blow it all out. Then attach an aftermarket cat into where you cut the old one out and you're all done. I was pricing the y pipe for my 89 at around 350-400 bux. I picked up a hi flow cat w/3"in/outs for 45 on Ebay.
Elder User
Joined: Aug 2006
Posts: 813
Likes: 1
From: foristell, missouri
i was going to ram out the inards of my cat on my truck but several people told me that can cause performance problems cause it cause goofy airflow. dont know if tats true but you mite want to check before you go rammin things. hope ya figure it out.
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Originally Posted by guitarnik
i was going to ram out the inards of my cat on my truck but several people told me that can cause performance problems cause it cause goofy airflow.
