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Ls2 06 Silverado LT

BLUNTEFX
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BLUNTEFX New Member

BLUNTEFX

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Posted

So I have a question don’t get on me for being dumb just want other opinions.

 

I have a ls2 swapped rado bought the truck on a deal only problem was I couldn’t drive it for more than 20-30mins without getting trans hot on the dash and would go into limp mode but if you cut the engine off for a minute or two and cut it back on message went away for another 20-30mins but the actual trans temps never hit about 180 

 

this is where it all starts.

anyway 1blown torque converter later and a trans rebuild my transmission guy told me the genius put a 2500 ecu in just to get the truck to fire up with a slight tune that pulled like a F****** freight train back to the point he tells me the truck thinks is has a 4l80 in it witch It doesn’t I have a 4l60 he said I needed to take it to a tuner shop asap so I don’t blow my trans or torque converter again because there’s a lot of major differences mainly being gear rations and shift points 

 
witch I thought a tune would fix anyway but I wasn’t for sure so I got the truck tuned by Powerfab autosports and they reflashed the ecu programmed it and did a dyno tune 

 

when I pick up the truck the dude shows me the power chart and the truck made 280hp 360tq

 

witch I think is way ****ing off but I am not a master mechanic I know a lot about vehicle but not enough to be firm on saying that’s bullshit 

 

Why I needs y’all’s insight is because when the truck was ****ed up and giving trans hot display on dash the ****** was a ****** Ton faster and pulled a boat load harder the ass would squat the truck would drop a gear and scream so beautifully she would literally throw me back in my seat and keep in mind this is with 305/35/24s  now it’s just feels like I have a slightly beefed up 4.8 

 

engine mods are air intake long tube headers full exhaust trans cooler and that’s pretty much it as far as I’m aware 

 

does anyone know or have any insight as to what is going on and why I am making such low numbers or where the **** my power went?? 
 

and I would appreciate no assholes just need some info thanks! 

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