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Worth The Money?

Trooper

By Trooper,
in Engines & Forced Induction

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Trooper Experienced

Trooper

Posted
Posted

I have an R33 series II with the following mods

FMIC

Upgraded turbo

Alloy radiator

Nismo Fuel pump

PFC

AVC-R

etc

Stock injectors are maxing out so I want to upgrade these (although not absolutely necessary as I am not having any issues regarding knock etc).

To replace injectors (Nismo 555's)+ splitfires + FPR is going to cost me $2500 for parts & tune

Is it worth spending the extra $1000 to add cams (tomei 256's) to the list as well?

I am currently making 270 rwkw on stock internals, and do not really want to rebuild for quite a while. Will cams give me enough noticable mid range without increasing the peak power too much?

The car is only driven on the streets and I am after response not peak power.

Thanks

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thrtytwo Veteran

thrtytwo

Posted
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im not an expert and this is just what i gather from reading other stuff but with a tune cams can make a fair difference, seen an advert for some HKS cams for supra the other day claiming a 100hp increase after tune

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R31Nismoid Grand Master

R31Nismoid

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To replace injectors (Nismo 555's)+ splitfires + FPR is going to cost me $2500 for parts & tune

Thats a bit rich!!!

Injectors are around what - $750.

Splitfires - $550

And you dont need the FPR.

With a retune, that puts it around $1700, leaving 400 for the tune which as you have one there already.

Maybe add in $150 for labour for fitting the injectors so $1850 at worst

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sloutch Mentor

sloutch

Posted
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Thats a bit rich!!!

Injectors are around what - $750.

Splitfires - $550

And you dont need the FPR.

With a retune, that puts it around $1700, leaving 400 for the tune which as you have one there already.

Maybe add in $150 for labour for fitting the injectors so $1850 at worst

$150 for labour to fit injectors??? That's pretty cheap. Where can you get that from? Or all workshops charge that rate? :thumbsup:

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R31Nismoid Grand Master

R31Nismoid

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Well its not a hard task, make it $200 if you want.

Im helping a mate change injectors in his EVO this weekend, will see how long it takes, but i dont see it being a mission

Either way its a far cry from 2.5k :thumbsup:

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Birnie Veteran

Birnie

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If you check the DIY section on the injectors, it's step by step. definately worth a crack.

Also, someone quoted in there they previously had a workshop quote for $350 to replace em! Woah !

So the prices will vary as you shop around.

I'll do it for $200..tehe

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Trooper Experienced

Trooper

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Thanks for the replies, I was not going to worry about the FPR, and I know I wont see any gain from it, but I would rather replace the stock one with a new unit and run the same pressure so I know that it wont give me any dramas down the track. I am moving away from Sydney in a few months and want to get everything done that I may want/need before I leave.

Price break down:

Injectors, Splitfires,FPR $1500 incl. delivery from Nengun

Fit injectors $250

Fit FPR $100

Fit splitfires $free

Tune $450

$2300 (and I rounded to $2500)

To add cams will cost me $300 to fit and $800 to buy. which will bring the total to $3400

Injectors are maxing out anyway thought it would be a good time to put the 555's in.

I had the injectors about 12 months ago when we did the first round of tuning and was told we didnt need the injectors just yet and to save them for when I had more mods done - I wish I had just put them in back then.

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Trooper Experienced

Trooper

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I'm just suprised your stock injectors got you to 270rw... I take it you have z32 etc. Definately get injectors and some splitfires if your packs are playing up, then you should be set.

Yeh a lot of people were surprised with the stock injectors. Yes have z32, coils are not playing up at all, no misfire issues at all.

Any ideas how much I can expect to get back for my stock bits?

Coils, Injectors, Cams?

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Bass Junky Grand Master

Bass Junky

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Repeat, DONT need FPR.

put the cams in.

Awesome midrange increases. Good top end increase too, depending on how stressed your turbo is.

Make more power, on less boost. Allows your engine to spin harder too.

Win + Win + Win

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Trooper Experienced

Trooper

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Repeat, DONT need FPR.

put the cams in.

Awesome midrange increases. Good top end increase too, depending on how stressed your turbo is.

Make more power, on less boost. Allows your engine to spin harder too.

Win + Win + Win

Thanks for the advice, I bit the bullet and bought all of it, cams, injectors, coils. Turbo is good for 550 hp so should see a bit more hopefully. Getting a bit close to the limit of the stock internals though when will they go bang!!!

Cheers

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Trooper Experienced

Trooper

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why the splitfires when there was nothing wrong with your current coils? cams definitely a good idea though. I have the tomei's in mine

can't hurt right!!

I like preventative maintenance - didnt want to put cams and injectors in and possibly start having misfire issues.

I am also still planning a rebuild and want to but all of the 'extra' bits necessary so the rebuild doesnt hurt as much when I finally get it done. Having cams,splitfires, injectors all out of the way reduces the 'rebuild' cost significantly.

Cheers

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Trooper Experienced

Trooper

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yeah thats true. I did the same thing...apart from the coils. Get the parts out of the way for the future rebuild. But the engine has held on strong without the rebuild

yep exactly another $2k that wont need to be spent at rebuild time.

I am hoping to get an increase of maybe 15 kw to take it to 285-290rwkw which is plenty for the stock internals and plenty enough for a daily street car.

My tuner is excellent so what ever it ends up with will be safe and most importantly drivable.

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700HP-GTR33 Mentor

700HP-GTR33

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How can your tuner/ fitter for the cams give you a fixed price for the cam installation?

Do you know if your going to need new shims..or that maybe it might be time to change your springs?

Or maybe you might need to change the retaining bolts(Cam fixing bolts)?

BTW..hope you have cam gears...

Have you read up on cam installs?

$300 sounds like a..drop in don't worry about clearances..same shims..hope the motor still is ok once it leaves the workshop.

Please keep us posted with the cam install...all the rest of the fitting are just bolt on....cams can be a little more tricky.

EDITED: Bad Grammar

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Dale FZ1 Veteran

Dale FZ1

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Do you you are not going to need new shims..or that maybe it might be time to change your springs?

Or maybe you might need to change the retaining bolt?

Please keep us posted with the cam install...all the rest of the fitting are just bolt on....cams can be a little more tricky.

I think he's running an RB25. Hydraulic lifters.

Point noted on springs, though most punters seem to get away with OE springs if using Pon Cams.

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Trooper Experienced

Trooper

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I think he's running an RB25. Hydraulic lifters.

Point noted on springs, though most punters seem to get away with OE springs if using Pon Cams.

Yes RB25, bought the Tomei 256 poncams. Should I buy new springs as well?

Oh and no I dont have cam gears, I sold them ages ago, another mistake? Should I buy just the exhaust gear again to keep the VCT?

Little concerned about it now but thanks for the advice.

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