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1JZ.747
Forums Junkie

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Osama's hideout
Registered:
February 2003

Re: JZA70 Boost spiking? 1JZ or general advise

Wed, 19 October 2005 23:07

ReQuieM wrote on Wed, 19 October 2005 17:05

Stock Turbos at 16psi? i thought the grenade range was any where consistantly above 14? Hmmm...

Hey 1jz.747 at what point did the standard 1j fuel set up start to give out and need upgrading? I've got my goals in mind and how to get there, just have absolutly no idea about fuel systems! Just hasn't been something i need to to worry about before.

i believe the general consensus on boost limits, is if you have a standard dump pipe, dont go past 14psi cause the heat from them both wil root the turbine wheels.

with twin dumps the heat gets away from the turbine wheel thus safer to run higher boost.

i ran 16 17 psi in mine all day.

the famous limo3l ran 18psi all day for about 4 years and never had a problem.

as for fuel, originally i had thhe factiry cressida pump and a vlturbo pump in the line, i then changed this to a single intank walbro 255ltr hr job, it worked fine.

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