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what in-tank pumps bosch makes?? do you have the part number? website? what do you think of my 555cc injectors? what is max boost u think?

Hi mates, I want to know what is the maximum (safe) power i can get with those ijectors along with fuel and turbo..etc mods i have..RB25DET: HKS 555cc injectors walbro 255 stock rail sard standard reg greddy t78 HKS 1.2mm metal head gasket stock internals pfc what boost do you suggest to stay in the safe side???

thanks a lot guys for the replies so is there a way to test the wastegate before installing it? or the only possible test is on the car?

Hey mates, I have heard that using the labtop and the special software to program and power fc is much better that using the commander. Is this true? And what could be the difference? I really want the best but cant find anybody with the software in my area.. so is the commander enough? need your help guys

mine is 17

thank you very much R31Nismoid for the advice.

hey mates i have a wastegate (copy of trust) but i am afraid to install it on my car with the Greddy T78.. so what do you thing of the copy wastegates..are they any good? will it work? will it do any harm to the engine? guys the price difference is huge i bought this for around 160 US$ need your help

4500 is ok with me... but 6000 is late at what rpm do u think it will spool?

Hi mates what do you think of a greddy t-78 33d on an rb25det? will it spool late? i have 270 cams. need your help

well this is why...lets say i wanted to upgrade my fuel pump without getting rid of the in-tank walbro 255l i have installed? will fitting an additional external pump (in series) affect the pressure/flow rate?

so u r saying that 044 will do?... i was just wondering bacause i know the 2x walbros can be done in the supras and want to know if this is possible in skylines!

hey guys, just wondering can i install 2 in-tank fuel pumps in my r32 gtst? lets say 2x walbro 255l? and if possible, how? knowing than the hole for the pump only fits one to insert in the tank...

Hi everybody, What modifications would I need to do to RB25DET S2 engine to install this Tomei RB28 Stoker Kit? And is this kit the best to stroke up? http://www.tomei-p.co.jp/inf/pdf/53_en.pdf Regards

help !!

Hi aeverybody, I am thinking of ordering BF Goodrich drag radial tyres for my R32 (R34 18" rims), thinking of 275/35/R18 what do you think? or 295/35/R18 maybe? http://store.summitracing.com/egnsearch.as...mp;autoview=sku need help

thanks guys for the replies the turbo I was thinking of is the garrett t04z (not sure about proper rear housing for my application though) the 500 HP will do

Hi mates, I am thinking of changing my turbo from TO4E to TO4Z but wondering if I will need to do any modification to my downpipe and headers???

any more comments mates? i am really benifitting here

hey BHDave, thanks mate, I am in Saudi Arabia and tuning is not very popular and thats why i cants find a good tuner easily, even a bad tuner is hard to find we have one good tuner but he only has the software for RB26, I will go to the garage next wednesday and let them check this blue smke, i dont know but it could be piston rings or turbo seals right? fuel pressure on the dyno (read from my fuel pressire guage) was at 40 on idle and at 60 on high boost, it fell down just a littel to 55 maybe on high boost..

Hi nabil, I have HKS 555cc and the fit straight away no customization nothing, and yes they are side feed high impedance good luck

hey mates how are you doing? I took my r32 to the dyno last thursday, anyway it was not a (tuning) as the man of this dyno-the only dyno in my region- does not tune power fc's, it was more of power measurment day.. any way I will post the dyno graphs and you will see that i have issues on AFR plus very thick blue smoke..i took it to my tuner after the dyno and he modified on the AFR thru the commander (all he can do) using wide band (innovation), the innovation shoed better AFR on the street but the thick blue smoke is still toooooo much. see the graphs and give me your comments please, note that the 347hp graph is on 16.6 psi of boost, and the other one is on 13 psi

so mates do you suggest setting the boost on 20psi all the time and that will be safe with no harm to engine at all? Anybody got settings for greddy profec-B spec II for 20psi (gain, set gain, warning...etc) i find it confusing sometimes

LOL I liked that you are right

very nice photos

no it is not ball bearing.. well to tell the truth I was looking at 450rwhp/335rwkw but it seems that am way far form that and shouldnt expect that much.. maybe i was emotional a little bit