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Just Bought An R33 Skyline Gts25t - Pics, Specs And Help Needed :)

s13-steve

By s13-steve,
in Western Australia

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s13-steve Collaborator

s13-steve

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yeh dude its andrew, thought it was you things been pretty cruisy how bout your self

yeh good mate,

guys noticed when there cars been driven around for a while and i park i can hear a ticking sound coming from the motor - im guessing its the lifters - how bad a problem is this? does it mean the engine is probably a little tired? its meant to have a geniuine 68kms according to autoworx

s13-steve Collaborator

s13-steve

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could be - the last owner did service it at Kmart Tyre and Auto - god knows what sh*t they put in it.

Tune + Service on Friday so il let the guys at AllStar Garage know all the issues and see what happens

Edited by s13-steve
Hanaldo Grand Master

Hanaldo

Posted
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That sounds about right for the engine mods you have? You don't have an aftermarket ECU, if you got a full aftermarket ECU and got rid of that SAFC Neo, upped the boost a bit, then you would probably get a bit closer to 280.

bubba Grand Master

bubba

Posted
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That sounds about right for the engine mods you have? You don't have an aftermarket ECU, if you got a full aftermarket ECU and got rid of that SAFC Neo, upped the boost a bit, then you would probably get a bit closer to 280.

Doubt it.. 260rwhp give or take, is pretty much on the money. Try a different dyno and you might get 280 :)

s13-steve Collaborator

s13-steve

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the dyno sheet the previous owner gave me from Xspeed was 278rwhp so i was expecting something around that...

ah well 260rwhp is 193rwkw so not to bad i guess, just doesnt feel any faster then my CA18 which had 196rwhp

Hanaldo Grand Master

Hanaldo

Posted
Posted
Doubt it.. 260rwhp give or take, is pretty much on the money. Try a different dyno and you might get 280 :)

Yeh, thought it would be pretty much correct. Does a SAFC Neo prevent boost cuts so you can run higher boost though? Surely with a stand-alone aftermarket ECU you could run a bit more timing and boost, bring it a bit closer to 280?

bubba Grand Master

bubba

Posted
Posted
Yeh, thought it would be pretty much correct. Does a SAFC Neo prevent boost cuts so you can run higher boost though? Surely with a stand-alone aftermarket ECU you could run a bit more timing and boost, bring it a bit closer to 280?

The SAFC should allow you to raise your afm cut (it's not boost cut damnit! :)) as you're bending the afm signals, so the cut threshold would be proportionatly higher.

A full aftermarket ECU would allow you to wind some timing in to it but whether you would see top end gains with the 25 turbo already so close to its' limits would remain to be seen. Generally, being able to adjust timing helps with getting bigger turbos on boost (i.e. improve midrange).

Like I said, another dyno might give you a reading of 280rwhp but they are just tuning tools, not comparison tools.

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