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cmitchell17 · 08-30-2021, 10:08 PM

I had put this converter in my car but I couldn't get it to lockup. After running it a few hundred miles I ended up pulling it back out and sending it back to Circle D and they completely rebuilt it under warranty.

I decided a converter isn't worth it to me and I am going to concentrate on working on my truck so that's why I am selling it.

Here is a link to it on the Circle D website:
https://www.circledspecialties.com/8l90-hp-series-258mm

They say it is based on a factory 8L90 converter but with increased lockup capacity and a billet stator that makes the stall speed about 1000 rpms higher than stock.

I will sell it $1100 shipped to your door, I paid $1320 for it when I bought it (their shipping is free).

08-30-2021, 10:08 PM	#1
cmitchell17 Drives: 17 2SS, 8L90, Cam, Heads, E85 Join Date: Dec 2016 Location: US Posts: 1,201	Circle D HP1Y 258mm 3100 Stall I had put this converter in my car but I couldn't get it to lockup. After running it a few hundred miles I ended up pulling it back out and sending it back to Circle D and they completely rebuilt it under warranty. I decided a converter isn't worth it to me and I am going to concentrate on working on my truck so that's why I am selling it. Here is a link to it on the Circle D website: https://www.circledspecialties.com/8l90-hp-series-258mm They say it is based on a factory 8L90 converter but with increased lockup capacity and a billet stator that makes the stall speed about 1000 rpms higher than stock. I will sell it $1100 shipped to your door, I paid $1320 for it when I bought it (their shipping is free). Last edited by cmitchell17; 08-30-2021 at 10:23 PM.