Anyone use the Compushift 4L80E Transmission Controller?
Made in China though!
Thank you,
Ed
Made in China though!
Thank you,
Ed
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Compushift
- Thread starter pomai
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We have a couple cars running it in the shop. Actually just ordered another today. Didn't ever hear 'bout China, though. The shop in California that sells them is on Covid lockdown right now, and the owner is going in once a week a putting kits together. I don't think there is a better alk around option for the 4l80. I have also run the Tci/ comp unit and the GM unit from Pcs(?). One of those was crap and one is overkill.
https://www.usshift.com/usq4.shtml
also these guys . few guys on here have them . i got one but truck is not done yet .
also these guys . few guys on here have them . i got one but truck is not done yet .
I'm sorry, I miss spoke about the china thing. I thought there web site said, Compushift Display On backorder due to COVID-19 in china.
Greg Ducato is building my 4L80E/NP241 and said they really like the Compushift system. I wanted to get other feed back on it, thank you.
My motor is a SBC 427, and am installing Holley's Terminator X MAX EFI system which also controls the trans, but I wanted Greg Ducato to program the trans, not the tuner for the EFI, so I was thinking of getting the Compushift system so Greg can dyno and program the Compushift and trans at the same time. If I go the Compushift route, I would only need the Holley's Terminator X.
Do you know if the Transmission needs any other information from the engine or Holley's ECU, besides the TPS to run correctly?
Thank you,
Ed
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TPS
Speedo out
Ign ref
Ground
Tach input
Optionally 4wd, electronic shifter
Speedo out
Ign ref
Ground
Tach input
Optionally 4wd, electronic shifter
Would that mean I need a CAN Bus Data Interface, for the Compushift to communicate with the Holley ECU?
I've got the Compushift 2 on my 4L80E, no complaints here.
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It all depends on what your system has for outputs. The Holley sniper does not have a tps out, so you need to add a TPS. Higher grade efi systems will usually have a reference. When you get the kit they should configure it fir your application.
Holley's Terminator X
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I personally have not used a terminator x. The x max will do everything you need to run the 4l80e. I understand your guy wants to run compushift, and they do work well, but you are going to be spending a lot to have two full systems.
You should probably talk with your builder about just running the holley. I understand he wants what he wants, and why. I have a 4l80e from Bowler with a compushift and that setup was $10,000. It's going behind 1400 horse and they only run Compushift. Many premier builders insist on it.
If your terminator x is not the x max, then it doesnt control trans anyway, and compushift is a no brainer. If you are already running the x max version, you'll have to decide. The x max obviously would have all the inputs/outputs you would need, but you may have to tap into the harness. It wont be plug and play to integrate with CS. If you have the non max version, get the Compushift and add their tps. Rock solid setup
You should probably talk with your builder about just running the holley. I understand he wants what he wants, and why. I have a 4l80e from Bowler with a compushift and that setup was $10,000. It's going behind 1400 horse and they only run Compushift. Many premier builders insist on it.
If your terminator x is not the x max, then it doesnt control trans anyway, and compushift is a no brainer. If you are already running the x max version, you'll have to decide. The x max obviously would have all the inputs/outputs you would need, but you may have to tap into the harness. It wont be plug and play to integrate with CS. If you have the non max version, get the Compushift and add their tps. Rock solid setup
I have had a compushift to run y 4L80E in my 2500 Suburban. Nothing but praise for the product and customer service. I love the information read out. Volts, temp, speed, gear, lock on or off plus a few other things. Very nice to have.
Thank you everyone, I appreciate all your responses. When I have a problem or need advise, I don't go here in Hawaii, I go wright here to CK5.com, you guys know your (SHET!) I mean stuff! 
Greg Ducato, building my PTP4L80ESX, 32 spine NP241 with VSS, Compushift & JB Conversions SYE Kit. Can't Wait for it to come!
But know I'm going to have to address my speedometer which is currently mechanical driven.
Thanks All,
Ed
Greg Ducato, building my PTP4L80ESX, 32 spine NP241 with VSS, Compushift & JB Conversions SYE Kit. Can't Wait for it to come!
But know I'm going to have to address my speedometer which is currently mechanical driven.
Thanks All,
Ed
Thank you everyone, I appreciate all your responses. When I have a problem or need advise, I don't go here in Hawaii, I go wright here to CK5.com, you guys know your (SHET!) I mean stuff!
Greg Ducato, building my PTP4L80ESX, 32 spine NP241 with VSS, Compushift & JB Conversions SYE Kit. Can't Wait for it to come!
But know I'm going to have to address my speedometer which is currently mechanical driven.
Thanks All,
Ed
no problem on the help good buddy .
as to the dash and gauge problem just dive in the deep end .
https://ck5.com/forums/threads/plow...-6-shifter-levers.309865/page-10#post-3763928
Not trying to read like a commercial for Compushift. It doesn’t need an rpm or mph input to work. It gives you a mph signal to tap into if you want it though.
So, you can keep a mechanical speedometer if you want. Part of the initial programming of the unit is putting in your gear ratio, vehicle weight, tire size and such. That makes the speed read out very accurate and adjustable.
So, you can keep a mechanical speedometer if you want. Part of the initial programming of the unit is putting in your gear ratio, vehicle weight, tire size and such. That makes the speed read out very accurate and adjustable.
his current setup is a cable speedo . if he goes 4l80-e and 241 with electric speedo in the rear @ tcase he wont be able to feed his cable speedo anymore . unless he can wire the compushift for 2wd duty and also IF greg builds the 4l80-e with the 2nd tone ring inside for the rear 2wd position of the sensor .
I missed the part about the electric 241. Sorry. I was thinking 4L80E.
