Thread: max boost for a 300tdi

I fitted one of Jases intercoolers and tweaked the pump on one, quite happy at 18Psi at the moment.

JC

cheers mate i am looking at around 16.5 17 psi untill i get a water to air on it but was curiouse what people are running them at and how much gain they are getting
since i have added the 35" mt117ex it is down on power

The return for tightening the waste gate on the stock turbo, with stock intercooler diminishes much over 17 to 18 psi.

At those pressures the compressor is inefficient generating increased heat without improving the flow enough to make up for the heat.

A better compressor section, or a compressor housing with higher A/R will help if you want to benefit from higher boost pressure.

Originally Posted by justinc

I fitted one of Jases intercoolers and tweaked the pump on one, quite happy at 18Psi at the moment.

JC

hi justinc

did you adjust the wastegate to get 18psi after the Mod or simply bigger core intercooler and pump tweek increased boost up to 18psi max ?

P.S I'm serioulsy thinking about a purchasing one of Jase's higher capacity intercoolers...

Hi Cooter ;

Just looking at your truck and I could swear your rear diff housing is slightly warpped ??

might be optical illusion or my eye sight needs rechecking??



P.S

Need 35" Flare kits, also what Diffs are you running 3.54's or 4.11's the bigger tyres do make a difference in your drivability...or do you have a defender TC?

Originally Posted by Disco_owner

Hi Cooter ;

Just looking at your truck and I could swear your rear diff housing is slightly warpped ??

might be optical illusion or my eye sight needs rechecking??



P.S

Need 35" Flare kits, also what Diffs are you running 3.54's or 4.11's the bigger tyres do make a difference in your drivability...or do you have a defender TC?

they look like nissan diffs to me....

Cooter
Send a PM to GGhaggis(Gordon).He had is D1 wound up pretty hard.He also ran water injection and had his own in cab boost controler so he screw the boost up when needed,and back it off when things got a bit hot in the kitchen.
Im sure he would be more than happy to help out.
Andrew

Sorry for my rudeness and the Hijack earlier with regards to your Rig , on my disco1 I've got a boost Gauge set up and Turbo boosts right up 15psi and even wants to boost up further but limted to 15psi , IMO there is plenty of boost but i needed more fueling , I installed a pyrometre and tweeked the cr...p out of the VE Bosch Fuel pump, Star Wheel , Stop Screw Eccentric cone adjustment etc etc, but on a test run with ambient temp about 33 deg or so the Pyrometer went pretty quickly up to app 700 deg or , so I've wound it back down to factory specs and vehicle was smoking a fair bit too with this Tweek, I also put in a straight thru muffler since and Turbo spools up very quick and Prior to this MOD Turbo didn't spool up as quick.

all the best cooter and let us know how you go..