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September 2023 by Eric Ruybalid
Always great prices & service and Lonnie's knowledge is extremely high.
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July 2023 by mike carius
Great work & fast service
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January 2023 by Chad Worrel
They know transmissions ordered the stage 3 2004R and Mike was a big help and helped resolve an issue with my core and got it back to me much sooner than expected.
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November 2022 by Craig Sass
Lonnie and his team will go above and beyond to make sure you're pleased. Extremely knowledgeable, and extremely patient when making sure you can have the best experience especially if you're installing yourself. Great transmission builders, better people.Service: Transmission
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August 2022 by David Muth
Extremely knowledgeable staff over the phone. Have answered my numerous d*** questions like converter spacing, which wire is t brake solenoid etc... Purchase and shipment went without a hitch. Highly recommend
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July 2022 by Gerald Foltz
Always very helpful and informative. Excellent products love my stage 3 2004r
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December 2021 by Brad Jutte
Lonnie and his team are hands down the best around. Very professional and you get more then what you pay for. I have beat this 4l80e like it owes me something for 2 years now. I have referred many friends to him and all have been very satisfied customers... thanks again for all you do and keep up the great work...
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September 2021 by Donal Turner Jr.
Got my Nonelectric Reverse Manual 4l80 installed in my car and I Love it!!! Best Automatic Transmission I have owned!!!
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July 2021 by Neil Martin
Best transmission I've ever had. These guys do a great job
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January 2021 by Tom Bretz
Lonnie is great to work with an well as fair. Very happy with quality of work
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December 2020 by Jamie Howard
Good people, good work.
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November 2020 by John Marlow
there 4l80e billet value body is best on market.
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October 2020 by Bill Hendricks
I bought a 200-4R from this company. Great product and I am very happy with the transmission. I would recommend.
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June 2020 by Georgee Ramirez
Very pleased with the results of my 4l80e stage 2 with fully automatic shifts that lonnie built for me. Holding strong with no hiccups at 1000rwhp on my 02 trans am and almost 4000lbs race ready. If you want a Bad*** unit dont hesitate to give extreme automatics a call!
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February 2020 by Aries Xecutioner
Highly recommended! Fast, excellent service from these guys, they will be building any automatic transmissions I will need for my other projects in the future. Ordered a built 4L60E GM transmission from Rob, he took care of me like he said he would. Bought all the upgrades he recommended. Finished product was ready for pickup in less than 10 days. Had the beautiful new unit installed 2 weeks after placing my order. Compared to a previous experience with a competitor, all aspects of this went so much smoother than before. Trans is in the car now and I've been driving it on the street for about a week now, feels better in every regard. Install went without a hitch, smooth shifts, no hiccups. Billet servo, input shaft and custom 9 inch torque converter. Nice new fittings, new VSS was a welcome surprise. Noticed the pan was deeper than the last one I bought, which I never considered but am glad someone thought of this upgrade. Nothing leaked on install, unlike the other trans I had used before. Car feels great and is running awesome. Last trans had a vibration I thought was the solid trans mount, the vibration is gone now. So far no hang ups at WOT, which was an issue before with the last new trans. Going to put the spray to it soon and step it up to a 200+ shot. I fully expect this unit to get the job done, wish I would have bought this thing the first time around. Can't wait till the weather warms up and I can let her rip at the track. Thanks for your help guys.
