jmccart

Hello. Like it says. I am running the 4.4/level 9 all the time. Why would this make a stock turbo hard on my motor? Is it true my motor would be happier with a 62/14?

Thanx.

Luvnacumns

Drive pressure you are exceeding the limits of the stock turbo by oooh a mile!!! The 62/14 will exhale a lot better...

jmccart

Thanx Shane. Does the smaller turbo not let the exhaust waste get out past the turbo fast enough?

chrleb1

The stock turbo is about a 9 cm housing. Even with the wastegate, it won't compare to a 14 cm housing with a wastegate. The exhaust pinwheel on the 62/14 is bigger also. This will allow for better flow and control the exhaust pressure better.

Hillbilly Delux

read my signiture, my new silver 62 made a huge difference along with an ats exhaust manifold and arc flow. i installed a fass at the same time so i dont know how much each mod made a difference but i have quicker spool up it seams to me. made the exhaust a much deeper tone also

Luvnacumns

Took the words out of my mouth!!!

jmccart

Now I will sound really stupid. So the passage from on the exhaust side of the turbo, that does the spinning of the whole shaft, has more volume?

Thanx guys. I am still learning on these babies.

OldSmokey

Yep, the bigger housing lets the exhaust escape easier, which lowers the drive pressure between the motor and the turbo. The only poblem is with a larger exhaust housing, the exhaust is moving slower as it passes by the turbine, this makes for a slower spool up.

jmccart

That was quality info for my current state of turbo knowledge. Thanx.

cquestad

You are putting 50 - 70 plus hp up in smoke right now with your stocker.

Go bigger!

Luvnacumns

Nuf said!!!!

jgiachino

50-70 hp associated with just a turbo? Would that be applicable to the mods in my sig if i were to add a 62/13 (and a fuel pump)?

Trying to decide on a turbo vs. lorenz susp....50-70 hp tilts me toward turbo....so just want to confirm.

jmccart

That would be cool if smoke went down a tad.

chrleb1

It will.... you will be moving more air. On the bottom end, it might have a little more. The mid-range and top-end will have less.