Transmission Problems - '97 Chevy 1500

[Gearheadtom]

I might try swapping in one of those hi-flow universal cats this weekend, that's if the local candian tire still carries them.

[Dirtcrasher]

Listen to mosh!!!!!!!!!!!!!!!!

[Gearheadtom]

Listen to mosh!!!!!!!!!!!!!!!!

I am, I'm going to gut/swap out my cat this weekend... only thing I'm not gunna do is do the tests he said... just swaping the cat will be easier than the tests he said to do, because of all the rust...

[Gearheadtom]

So I decided that I'm just gunna gut the cat, at least for now. I started at it tonight after work, I got the flange that's downstream from the cat unhooked, then spent the rest of the night drilling out the broken bolts haha. I looked up in the pipe with a light, and the cat looks good, but I figure the upstream end of it must be all melted and globbed together.

[Gearheadtom]

Well I partially gutted it today, I didn't clean it out all the way just to leave some back pressure, and now the truck has more power than it ever had, and shifts like it should. I guess the reason it wasn't shifting was that it wouldn't reach a high enough rpm to shift when I was on the throttle hard.
Thanks so much for the help everyone, I'm sorry I doubted you! I should have listened to what you guys had to say first thing, I guess I'm to stubborn haha