Ryoishikawa

iTrader: (3)

I've heard dump valves are a must . But saying that the car never came with one factory . I'm running 1 bar

Always loved the chatter noise but don't want to damage anything

essexRSTSouthend

It's a personal choice. You Don't have to have one but might help your turbo last just that little bit longer and even more so when running more than standard boost. You can easily get the chatter noise still with with a dump valve,you just let off the throttle quick when on boost,just before the dump valve goes off. As said personal choice and know alot of dump valves can get on your nerves. I never use to run one but did since i was given one cheap and ain't all that bad.

Karlos G

iTrader: (4)

The old T series Garretts are just fine with no DV... 32psi and no problems!
The newer GT/GTX series on the other hand I have read have much thinner shafts and would be likely to snap if experiencing compressor stall.

Ryoishikawa

iTrader: (3)

I have the standard t3 with mfi so all factory

So it won't damage my metering unit

johnnysash

I was running 20 psi a few years back without a dv. It sounded the nuts but I think I cooked my metering head!

Ryoishikawa

iTrader: (3)

I'm running 1 bar would having no dump valve damage my metering unit

Oranoco

25psi through mine for years, no DV and no trouble. MFi doesn't like dump valves either, often causes bad running and stalling problems

gpm89

Im running about 14psi with standard intercooler. whats the safest amount to run before upgrading bits?

Oranoco

I wouldn't want to be running anymore than 14psi through a stock intercooler. I would get a proper intercooler on your shopping list as a matter of urgency

Rollinz

Im doing 22 psi on a billet gt 35... No dv

Ryoishikawa

iTrader: (3)

I'm selling an airtec one

Karlos G

iTrader: (4)

I agree, ACT's will be high.
Is that a BB turbo I assume, thought the shafts where prone to snapping if no DV is ran at high boost?

Rollinz

Yes mate, bb turbo,
Not had no issues, and dont want no gay dv lol