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Ok..i got my he351 installed on my 90 w250 and im having some boost and spooling issues. First off i did build a custom boost pipe from turbo to intake using 3 inch mandrel bends and eliminated grid heater while i was there..this is a non ic truck. Fuel screw is maxed and smoke screw is all the...

Ive debated on which turbo to use on my 90 cummins 5 spd, i now just picked up a really nice He351 off an 05 dodge along with the hx40 ive had for some time? I read the "turbo tryouts" and was exactly the kind of info i wanted but i wanted to hear more input from more people that have ran both...

I have in my possession a hx40 16cm gated turbo, i want to know if it really is a super40 simply by going by the fact that its a 6 blade compressor?...i believe it to be a 60mm inducer ( need to measure it again) I've read other threads that say 7 blade are super40's and others have said...

Hi fellas, just signed up here, figure id try out the forum and its advice! I got two 1st gen Cummins pickups a 93 auto 4x4 and a 90 5sp 4x4! I happen to be a diesel mechanic for a chevrolet dealership (yep i work on duramax's) and any questions you got for me id be happy to help ya out!