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Piglet's Rebuild Of His Busted Tomei 2.8

Piggaz
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Piggaz Grand Master

Piggaz

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I no, i mite one day come to like them if I can sort what ever is wrong with the dam things.

Anyone got any sudjustions ?

Any "up, down, up's" in size in the exhaust?

Cam timing?

Tired engine?

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Piggaz
Piggaz

Car is finally booked into Insight on the 19th of April for the ECU, fuel system and sensor wire in plus the tune. Thats the good news. The bad news is that V-cam aint gonna fit with my pistons and ho

Piggaz
Piggaz

Small update.... ITS RUNNING. Fired first go! Smells like burnt dust apparently .

Piggaz
Piggaz

A 9174 would just make the EGP pressure issue worse and in my mind it seems like a bit of a GT RS shit going on. Not that it's horrendously bad (It wouldn't be no twin buttplug pressures), That's NOT

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gtraaron Mentor

gtraaron

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I no, i mite one day come to like them if I can sort what ever is wrong with the dam things.

Anyone got any sudjustions ?

Should be bout same as mine as almost same set up , i think should change cam timing to what mine is :)
Deano 1 Mentor

Deano 1

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The exhuast was farked when it made 330rwkw, 2.3inch front pipes into a 3inch catback than went down to 2.5inch in the cannon.

It's now got 3inch tuned length front pipes into a 3.5inch merge. Decat, and I'm just waiting on the 3.5inch tomei ti catback to turn up.

See how it all works out when the new system on bolted up. Than jez can do a full tune on it, cam gears, and all.

It's got type b pon cams.

Azza's made awesome power on the same setup I the same dyno.

His got a forged motor, but my motor is 160 across all 6 so it shouldn't b an issue.

C what happens

Piggaz Grand Master

Piggaz

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The exhuast was farked when it made 330rwkw, 2.3inch front pipes into a 3inch catback than went down to 2.5inch in the cannon.

Not exactly the turbo's fault with the little 5's trying to blow out of that man.

Marko R1 Grand Master

Marko R1

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So what's considered responsive with -5's? 1 bar at 3600 rpm?

from memory my rb2630 with -10s made 1bar @ 3krpm, I'd need to dig it up as I posted my results in each gear on gtr UK forum
Deano 1 Mentor

Deano 1

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Not exactly the turbo's fault with the little 5's trying to blow out of that man.

Yea I no, the prob I had was I made up at 4inch system took it back to the dyno and only made 7kw more.

Im just saying -5 on something like your motor is crazy. It deserves a decent turbo. Gunna b awesome!!

Deano 1 Mentor

Deano 1

Posted
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Should be bout same as mine as almost same set up , i think should change cam timing to what mine is :)

Next time your under the bonnet man, could u have a look at what yours are set at? Maybe take a pic?

gtraaron Mentor

gtraaron

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Next time your under the bonnet man, could u have a look at what yours are set at? Maybe take a pic?

Let me know when your back and i will meet you at Jez' s and we will have a look :cheers:
R31Nismoid Grand Master

R31Nismoid

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So what's considered responsive with -5's? 1 bar at 3600 rpm?

You won't get that on a 2.6l unless it's fully loaded up :)

On the street it's around 4000-4200rpm in 3rd for a 2.6l if memory serves me correct

u are the first unhappy -5 customer I have heard...am I allowed to ask who is your tuner?

Add me to the list then for street/hill runs/motorkhana stuff the -5s are shithouse on a 2.6l

Cars was significantly faster with the smaller turbos coming on much faster in a on/off throttle scenario as -5s are lazy and need a stroker.

Marko R1 Grand Master

Marko R1

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Interesting as I found my other gtr with -5s very responsive. That was a 2.6 as well.

What do u think is a good turbo for the application u refer to above?

Its not a loaded question- just like to hear your opinion.

R31Nismoid Grand Master

R31Nismoid

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Well given I've said many times over that I had -9s taken off to put the -5s on (so i can comment on both, unlike most)... Wouldn't say it's particularly difficult to come to such a conclusion :merli:

Marko R1 Grand Master

Marko R1

Posted
Posted

I've had GTSS, GTRS & -5's on a 2.6ltr (as well as -10s on a 26/30 which Paul has driven).

^ Absolutely you can comment on -9's back2back with -5's as you've had both...really is horses for courses though as I personally found GTSS's way too small (not sure how -9's compare to GTSS though)

Piggaz Grand Master

Piggaz

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I think it depends on the sort of driving you do. Guys that do the 'on/off/on' driving IE hillclimbs, skid pan work and track work will always favour the small stuff.

Steveo overlayed a 2.6 with SS's and my 2.8 with 5's and down low they were pretty much the same. Top end, well we know what happened.

2.6 with -5's is still lethargic, however peoples definitions of being lazy/lethargic/laggy are all different.

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