first off, do you have aftermarket exhaust? I have 4in turbo back straight piped and it will help lower your egts somewhat. I have 125k on her, im not really sure what the mileage was when i straight piped it. hope this helps some
Straight piping sounds real good, but if your gonna pull a heavy trailer(i have a 10k toyhauler) it does drone a bit inside! I know williamx puts his cat back on for towing then pulls it off for the rest of the time!Just my 2cents
I don't see where that would cause any kind of problem other than your neighbors getting a little ticked when you floor that go pedal LOL Your turbo will be just fine
mine is straight piped 4" dp with 5" after that has been on there since it had 20k miles on it and has 105 k mi on it now and 2 years later never had a problem out of the turbo.
I haven't heard that myself personally, but that is definitely not to say that it isn't true. I don't know too much about 6 liters at all. I'll check around on that and see what i can find out
Sorry it took so long Jim, i talked 11 or 12 different guys and they said the only way you are going to negatively effect it is by putting an exhaust on that is too large coming off the turbo causing you to loose your drive pressure (back pressure) that helps get the turbo spooled, but that's true with any turbo. If you get an exhaust kit, that issue has already been taken into consideration so you should be good to go
Actually that's not true of any turbo. The VGT controls backpressure not the downpipe or exhaust size. VGT turbos are a very different animal than a standard fixed geometry turbo. Nonetheless, you will not see any negative effects from running a straight pipe on a 6.0 other than aggitated neighbors.
Am i being told incorrectly then? i was told that the vanes varied depending on throttle position and that it was designed that way to reduce turbo lag. They control backpressure also? like i said i don't know much about the 6.0's but from the sounds of it i should check better sources :doh:
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