how high
Scooby Regular
Joined: Jul 2003
Posts: 1,457
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From: Out of darkness cometh light
Are you referring to how high you can increase the boost level to? Or are you referring to an ECU remap?
If you're on about boost, and assuming you're using Optimax, you should be OK up to ~15/16psi. But you REALLY need a Knocklink if you're gonna go that high, just to be on the safe side. I was running mine (MY00) at ~18psi until last week, where the Knocklink started grumbling at 3500rpm WOT in high gears. Turned the GBE MkII down to 17psi, and all's well again. However, that's with Samco intercooler hoses, which allow the turbo to produce boost with a little less effort, which helps to keep the intake temps down. Also using NGK PFR7Bs, which again help to reduce the risk of det at that boost level. If you're on standard intercooler hoses, and standard spark plugs (PFR6Bs) I wouldn't go any higher than 15 or 16psi. And I would DEFINITELY get a Knocklink as well as the boost gauge (and preferably an AFR gauge).
If you're on about an ECU remap, there are plenty of options available, but the easiest and best value for money is an EcuTek remap. You could probably get away with a Tek2 "through the post" with your current mods, but if you wanted a tad more power, go for a Tek3.
If you're on about boost, and assuming you're using Optimax, you should be OK up to ~15/16psi. But you REALLY need a Knocklink if you're gonna go that high, just to be on the safe side. I was running mine (MY00) at ~18psi until last week, where the Knocklink started grumbling at 3500rpm WOT in high gears. Turned the GBE MkII down to 17psi, and all's well again. However, that's with Samco intercooler hoses, which allow the turbo to produce boost with a little less effort, which helps to keep the intake temps down. Also using NGK PFR7Bs, which again help to reduce the risk of det at that boost level. If you're on standard intercooler hoses, and standard spark plugs (PFR6Bs) I wouldn't go any higher than 15 or 16psi. And I would DEFINITELY get a Knocklink as well as the boost gauge (and preferably an AFR gauge).
If you're on about an ECU remap, there are plenty of options available, but the easiest and best value for money is an EcuTek remap. You could probably get away with a Tek2 "through the post" with your current mods, but if you wanted a tad more power, go for a Tek3.
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