Biggsw784

iTrader: (9)

I am in the middle of a turbo build for a 01 Sierra truck. Our goal is to make 1000rwhp and curious on my options of tuning. I know there are guys making this goal on the stock ecu but is it worth the troubles and money to use a standalone?? I want to run my factory cluster which in turn with a standalone like the new Holley dominator EFI, you get rid of the factory ecu and run just the standalone to control the lsx and 4l80e. I have had guys tell me that the standalone is the only way to go but I just want some feed back from guys that are using the stock and the guys using the standalone.

Atomic

iTrader: (42)

You can do it fine with the stock ecu but the standalones do have a lot of nice features. I guess it depends how much some of those extra features are worth to you. If this is a track truck I would go for it, if its a street type deal I would be more inclined to just use the factory pcm.

dirt track racer 81

iTrader: (45)

On a buddies truck that will be a twin turbo 408. We're going to run the Holley HP efi, were going to piggy back the factory harness into the Holley efi and let the factory PCM still control the 4l80e and factory cluster should still work. This still just something were tossing around still, and have a lot of questions on. I think we'll piggy back the crank, cam, tps, map, and temp sensors in. That way the trans will read the tps and rpm.

Biggsw784

iTrader: (9)

I thought about the piggyback but wasnt sure about the interference signal messing with the actual reference of the sensor???

dirt track racer 81

iTrader: (45)

Thought about using resistors.