2004r
April 18th, 2019, 08:18 PM
#2
Registered User
Join Date: Dec 2011
Location: Omaha, NE
Posts: 204
Been a while since I was researching, but Chris at CK Performance and Lonnie at Extreme Automatics were the go-to guys for 2004r transmissions when I was looking. I ended up buying a stage 2 4L60e built by Lonnie and it has been very good behind my 6.0 LS. A bit of a heads-up though, you will need to be patient as he is a busy guy.
April 18th, 2019, 11:58 PM
#3
Registered User
Join Date: Mar 2014
Posts: 719
April 19th, 2019, 06:02 AM
#4
Registered User
Join Date: Sep 2011
Location: Plano, TX
Posts: 1,844
Do not use Art Carr transmission (zombie company now, like Mondello). My buddy got a California Performance Transmission (CPT - Art Carr's new company) 200-4r but I'm not impressed with the calibration.
I got a stage 2 from Lonnie @ Extreme. The process went well and I think it's well built. The governor was set way too high on first install, so I had to pull it and mail it to them so they could put different weights on it. Their converter guy - R&R - I'm less happy with. His timelines are getting worse, the stall on the unit is about 1,000 rpm higher than I requested, and his prices are high.
So as of two years ago, I'd say either CK or Extreme, and just get a converter from PATC.
I got a stage 2 from Lonnie @ Extreme. The process went well and I think it's well built. The governor was set way too high on first install, so I had to pull it and mail it to them so they could put different weights on it. Their converter guy - R&R - I'm less happy with. His timelines are getting worse, the stall on the unit is about 1,000 rpm higher than I requested, and his prices are high.
So as of two years ago, I'd say either CK or Extreme, and just get a converter from PATC.
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