Boost

[bazza.]

Can some one tell me as I'm new to this site what i can turn the boost up to safey on a 96 J spec TT aero top with a full decat HKS exhaust,HKS Induction Kit,FCD,SSQV,Plugs, :( Cheers

[irfan_habib]

Are you still running on the stock (ceramic) turbos?

[Jake]

Can some one tell me as I'm new to this site what i can turn the boost up to safey on a 96 J spec TT aero top with a full decat HKS exhaust,HKS Induction Kit,FCD,SSQV,Plugs, :( Cheers 1.2 bar is generally accepted as the maximum you should run stock j-spec turbos at.
1.1 bar is probably safer for your wallet.

[bazza.]

Yep Still are

[irfan_habib]

You have pretty similar mods to me then, except my turbos have been upgraded to hybrids. I normally limit my boost to 1.2, even though the new turbos can take much more, but the injectors are still the J-spec ones and they can't handle more than 1.2.
Probs best to keep yours around 1.1

[Nic]

Can some one tell me as I'm new to this site what i can turn the boost up to safey on a 96 J spec TT aero top with a full decat HKS exhaust,HKS Induction Kit,FCD,SSQV,Plugs, :( Cheers

What condition is your intercooler in? If it is in poor condition (crumbling, missing fins) then I would be very nervous about raising boost too high.

The other things I would do if raising your boost to these levels, is replace your fuel pump with a higher flow one (eg. Walbro 255l/hr, or UK spec Supra) and replace fuel filter with new one. At 1.2bar your fueling will be running at/over it's limit, so any old pumps or blocked fuel filters could be asking for big trouble.

The last thing I would do is bin the HKS Induction kit and fit stock box back on.

[Wez]

Have you got a boost gauge fitted?

I noticed on your list of mods that you do not mention a restrictor ring but do say you have a full decat, if this is true then you may be running too much boost already.

:thumbs: