hi guys,how do you adjust the turbo timing(do you need a turbo timer installed?) & how easy is it to alter the boost pressure?:cool2:

No such thing as turbo timing, all a turbo timer does is allow the engine to run after you have turned the ignition off, to let the turbo's cool before it turns off.

 

Paul

Edited December 19, 201014 yr by 300_zedx

As above really, but it's due to the lack of oil pressure with the engine stopped after a blast (i.e. oil pump not running) and the turbos still spinning without an adequate oil feed, bad for the bearings, best thing to do is either drive the last mile off boost, nice and easy, or let it tick over for a minute when you stop so the turbos can spin down, which is what a turbo timer does.... Do a search for boost jets, dead easy and dead cheap, but if you can, get a boost controller (digital, not manual), not the cheapest option, but well worth the money once set up correctly, but you don't want to go over 14.5 PSI on stock turbos, so an aftermarket boost gauge is essential if your going to up the boost.... HTH...

where do i look for boost jets?

either a boost controller and adjust in car or get some boost jets for pennies:)

 

where do i look for boost jets?

 

doing this will not adjust the timing of the turbos, as said by 300_zedx, you can not adjust the timing, fitting boost jets (mig welding tips) or an EBC will keep the waste gates closed for longer or can be adjusted to suit taste allowing you to control the amount of pressure they pump into the engine.

 

you can get turbo timers but they have nothing to do with power or performance.

so you can't alter when the turbo's kick in ?

no, not really. stock tubs will kick in at around 3 to 3.5k. doing a boost leak test and making sure everything is running right will ensure they fire up when they should.

 

on an EBC (electronic boost controller) there is a gain setting which will allow you to control the speed of which they spool up but, you can't actually get them to come in sooner per say

so you can't alter when the turbo's kick in ?

 

the best way to reduce lag is to have a good free-flowing exhaust system by losing the cats and fitting split downpipes.

 

don't forget that when upping boost, you need to have a remapped or aftermarket chip so the ECU knows how much fuel to provide for higher-than-factory boost levels

Here ya go matey....

 

http://www.300zx.co.uk/forums/showthread.php?t=29063

sweet,thanks guys.