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1997 S10 5.3L
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131 Posts
Discussion Starter #1
I own and operate a transmission shop in central Texas and have been a gear train specialist for 20 years. I owe this forum and community a great deal as I pretty much built my hot rod from information I found here posted by kind souls who did it first and shared... So, if you have any gear train or electrical questions, ask away. I will answer to the best of my ability, because you guys are cool.
 

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I'll go first. :)

1. Any real reason to run a catch tank on a transmission? I've only ever really seen then puke fluid when overfilled and on a dyno.

2. Is it necessary to actively check line pressure? Or is it the sort of thing that gets checked once and that's it? For what it's worth, I've never checked it in my TH400. :whistle:

Shame you aren't local to me as I was thinking of beefing up my trans at the end of the season; hopefully get my setup in the 5s.

Thanks in advance!
 

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Registered
1997 S10 5.3L
Joined
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131 Posts
Discussion Starter #3
I'll go first. :)

1. Any real reason to run a catch tank on a transmission? I've only ever really seen then puke fluid when overfilled and on a dyno.

2. Is it necessary to actively check line pressure? Or is it the sort of thing that gets checked once and that's it? For what it's worth, I've never checked it in my TH400. :whistle:

Shame you aren't local to me as I was thinking of beefing up my trans at the end of the season; hopefully get my setup in the 5s.

Thanks in advance!
Catch cans are good to have at the track. Sometimes high stall converters pushed to their limits can force fluid to vent (due to thrust pushing fluid back into the case or even flashing the fluid) and people get bent when you drop tranny fluid on the strip. So for that scenario it's a good idea. I usually only see this with 3500+ stall speeds behind high hp and rpm... or overfilling. Lol! Checking line pressure is more of a diagnostic thing or just satisfying a curiosity. If something is exhibiting a problem or if I am experimenting with a PR mod I might check it. I watch it on a trans dyno simply because you can't feel the shifts on it. When a trans goes straight into a vehicle I just test drive it. Pressure testing is a good for finding faulty EPC solenoids, but again, that's to find a problem.
 
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