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evo 5 reliable boost pressure

- - - - - 4g63t evo evo5 evolution psi

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4 replies to this topic

#1
EvoLigerV

EvoLigerV

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Is running 1.2bar on my Evo 5 (155,000km in every good nick, no issues leaks, all parts up to date and quality oils etc.)okay? 
Mods : 
Sinco aftermarket exhaust manifold
Tial (8psi spring, thinks its 32mm) Vband Wastegate (plumbed in)
Full turbo back 3inch exhaust, cat-less
HKS SSQV Bov
Steel Intake and K&N filter 
Walboro aftermarket fuel pump 
HKS twin plate clutch 
Apexi AVCR boost controller (tuned for a nice 1.2bar B setting and 1bar A setting boost) + boost gauge 
Stock ECU

I live in NZ around quite nice cold air temps. Wondering if with my supporting mods it would be safe to run 17psi/1.2bar from anyone who has ran this setup before or any opinions or advice.
Thanks. 


Edited by EvoLigerV, 22 August 2017 - 09:00 AM.


#2
Starion VR4 Derek

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17Psi.... You pussy! You can easy run 20PSI while the weather is cool. You have a knock sensor system so Will protect it!


Edited by Derek, 22 August 2017 - 07:12 PM.


#3
EvoLigerV

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17Psi.... You pussy! You can easy 20PSI while the wather is cool. You have a knock sensor system so Will protect it!

phew thanks for that, thought i was thrashing it with 1.2bars hahah 



#4
EvoLigerV

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17Psi.... You pussy! You can easy 20PSI while the wather is cool. You have a knock sensor system so Will protect it!

also do you happen to know if boost spikes (i.e it spiked too 1.5bar while i was trying to tune the apex boost-controller.) would damage the engine significantly .  



#5
Starion VR4 Derek

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also do you happen to know if boost spikes (i.e it spiked too 1.5bar while i was trying to tune the apex boost-controller.) would damage the engine significantly .  

 

 

If your engine fail's at boost spike at 1.5 then your engine was damaged before you started.


Edited by Derek, 26 August 2017 - 01:34 AM.



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