Recommended Engine Machinists?

[Jap_Muscle]

Hi guys,

would like to have a chat to a expert on my options on freeing up the head, ive had the intake side polished and ported to the runners but want to take it a step further.

any recommendations would be appreciated. Thanks

[GUN_METAL_GTR32]

speak to rob at sabadins automotive in clayton

[STATUS]

what power are you making? standard r34 head is pretty damn good for 360 + rwkw, 1-2 psi gain will generally give better power results than a full port and polish....

[Jap_Muscle]

its a r34 gtt with a r33 gtr head and 3L bottomend.

i left a message on your ans machine and sent a msg to your mobile about my specs trent but here is is again.

rb26/30

gt35r .82

18psi

standard oem cams

standard valve springs

intake port matched and polished to runners

3.5" dump

3.5" straight pipe exhaust

5" cannon

cp pistons

spool rods

9:1 comp

cosmetic head gasket

china brand fmic with 3" intake side pipe 2.5 exhaust side pipe (my guess as to the problem but no proof or expertise to back it up)

Nismo Twinplate Coppermix clutch

splitfire coils

340rwkw

to be honest trent ive called a few shops and like the forums everyone seems to have different opinions as to why it wont make more then 340rwkw regardless of how much boost i dial in.

psi drop on cooler

head flow

valve springs

cams

rather then spending money on things i dont need i would like to get the car tested and what ever it needs, i can replace.

Edited September 6, 2010 by Jap_Muscle

[R31Nismoid]

1st post - you wanna just start porting/polishing

By the 4th post you want to actually check whats going wrong... AMEN.

After 12 months of us all (in FI section) telling you to get the current setup checked by a knowlegeable professional, it seems you are finally coming around!

Stop with the "I want to change stuff" and start with the "I need to FIX my current setup first".

We've been telling you for ages to get the cooler pressure drop & valve springs checked...

No offence with the above, I'm just totally at a loss as to why you've still not done anything that anyone has recommended for over a year

Trent - before looking much more into it, go over this guys past thread history and have a read of what people have tried to help with so far.

15mins reading will save you hours of rechecking

[Jap_Muscle]

ash i just wanted to talk to someone about my porting and polishing options and wether or not i do really need it. i dont think you can fault me for trying to find out what i should do from a expert. but your right i have taken my time in seeking help but its not easy for us uni students. money isnt that free. although i do want to say sometimes to fix things i do need to change things.

moving forward though as i said id just like to talk to a professional on what the next step should be. Because really if i dont need springs why should i buy them. so i have officialy taken your advice and am seeking out experts to get my setup checked.

ive contacted Rob @ sab automotive, and i wouldnt mind getting trents throughts on things to.

cheers

Edited September 6, 2010 by Jap_Muscle

[STATUS]

hmm i will listen to message when i get to work in the morn and check all the threads for things that have been covered. (was offsite all day today, out west actually)

being a 26 head it should be fairly straight forward. Just quickly whats the exhaust cam wheel set too?

[Jap_Muscle]

hmm i will listen to message when i get to work in the morn and check all the threads for things that have been covered. (was offsite all day today, out west actually)

being a 26 head it should be fairly straight forward. Just quickly whats the exhaust cam wheel set too?

im not sure that was ever changed trent as its still running the standard oem rb26 cams.

[Downforce]

Put a better quality intercooler in. Drop in some poncams. 360+ kw

[Jap_Muscle]

Put a better quality intercooler in. Drop in some poncams. 360+ kw

the problem is that people people have made close to 400kw on standard cams. so really if its possible i dont want to waste my money on cams and lose out on bottom end torque, which is really where i want it all to be.

most likely ill need a 100mm intercooler.

[R31Nismoid]

With a 3ltr it will take a bit of cam compared to a 2.6, either way it is NOT the cause of your problems currently.

Depends on what work gets done to the head etc as to what specifically you put in there.

Yes you can play the uni card dude, but you don't build a 400rwkw setup working 4hrs flipping burgers @ maccers

You don't need to change anything ATM to fix whatever issues you have, simply because you don't yet know what is wrong.

[ylwgtr2]

trevor birrell in adelaide is excellent on port work...not local but worth it