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Sports
20-05-2006, 04:46 PM
Hey all, I'm interested in everyone who has turbo'ed there cars. Have you had to upgrade the brakes for the power increase? The reason I'm asking is cause I'm gathering the parts for my twin turbo conversion and yeah. I'm getting Brembo's anyway but just wondering if I should get them first, cause I dont want my car off the road longer than I have to and if I doesnt pass the engineering part I'll have to wait and save for them.

Black Beard
20-05-2006, 05:08 PM
Hey all, I'm interested in everyone who has turbo'ed there cars. Have you had to upgrade the brakes for the power increase? The reason I'm asking is cause I'm gathering the parts for my twin turbo conversion and yeah. I'm getting Brembo's anyway but just wondering if I should get them first, cause I dont want my car off the road longer than I have to and if I doesnt pass the engineering part I'll have to wait and save for them.

I've spoken to two "engineers" who do mod plates in/around Slacks Creek. All they will look for when they inspect the car is that all the emissions stuff is hooked up, nothing that shouldn't be is being vented to atmosphere etc. I asked about brakes, they asked what the brake system on the car was (all I could tell them at the time was "4 wheel disc's, single spot all round") and they both said that there was no need to upgrade the brakes to pass inspection.

Just today I was reading the profile of the Booya magna on www.fastmagna.com and his braking system consisted of "DBA slotted / cross drilled" rotors and Bendix ultimate pads. As you probably know - the DBA replacement rotors are same as factory size.

The question that is worrying me about going down the forced induction path (hope you don't mind me hijacking your thread abit) is what needs to be done to the fuel system....... so far I've been told one thing by Dave from RPW, and another by Dallas from Street Torque..... so I'm stumped. All I want to know is if the factory injectors will handle a 7psi forced induction application, I don't care about the fuel pump or FPR (it's the $1300+ for a set of injectors thats worrying me).

Sports, if you want the numbers of mod engineers I've spoken to - PM me, or ring QLD transport for a few numbers of mod engineers in your area.

Clem0
20-05-2006, 05:13 PM
How much are brembo brakes anyway?

Black Beard
20-05-2006, 05:14 PM
How much are brembo brakes anyway?

At least a couple of grand for 2nd hand.

plus reconditioning, fitting and bigger wheels if your current wheels don't clear them (they are pretty ****ing huge!!)

cthulhu
20-05-2006, 05:44 PM
The question that is worrying me about going down the forced induction path (hope you don't mind me hijacking your thread abit) is what needs to be done to the fuel system....... so far I've been told one thing by Dave from RPW, and another by Dallas from Street Torque..... so I'm stumped. All I want to know is if the factory injectors will handle a 7psi forced induction application, I don't care about the fuel pump or FPR (it's the $1300+ for a set of injectors thats worrying me).

Can't see why not. I'm making 70% more power than stock and still have the standard injectors. Pretty sure Booya just swapped his 3L injectors for 3.5L jobbies too.

Meh
20-05-2006, 06:08 PM
or just put in some evo injectors

Sports
20-05-2006, 06:34 PM
I've been told the injectors are good for big hp, been told by a workshop that they've put them in V8's as an upgrade. I've been talking to Bob Romano he said they've done magnas with massivaly upgraded cams and have never had fuel issues due to the injectors. He said I will need a malpassi fuel regulator though.

So I dont need the brakes before, cool thanks Black Beard

Black Beard
20-05-2006, 06:37 PM
So I dont need the brakes before, cool thanks Black Beard
apparently not lol .

Tell ya what - I'll let ya know how I go when I get mine mod plated :badgrin:

Be interested to know what Magnas Rob Romano has done................ they're not on here. Although, having said that - based on my discussions with Bullet Performance at Yatala, they would be pretty close to completing 2 sprintex magnas by now :think: . Wonder who they belong to???

Sports
20-05-2006, 06:44 PM
Yeah I got interested in the cam'd magnas Bob did, would be interested to see them in action. Those sprintex ones, are they manual by any chance?

Black Beard
20-05-2006, 07:00 PM
Yeah I got interested in the cam'd magnas Bob did, would be interested to see them in action. Those sprintex ones, are they manual by any chance?

Don't know...... both Bullet, and AAC confirmed that 1 kit was about to be installed, and another would likely follow very shortly afterwards, but I didn't ask any more questions than that.

FYI - The dude from Bullet said he would be willing to do a "custom install" (ie: more than 4psi boost)

Black Beard
26-05-2006, 06:53 AM
I've been told the injectors are good for big hp, been told by a workshop that they've put them in V8's as an upgrade. I've been talking to Bob Romano he said they've done magnas with massivaly upgraded cams and have never had fuel issues due to the injectors.

Just thought I'd add abit to the fuel system debate. My research has led me to believe that the "magna" injectors which are a popular "upgrade" among the V8 crowd (LS1's I'm led to believe) are actually from the 2.6L :shock: . Was told this by the Service Manager at Motorama Mitsi @ Moorooka. Don't know wether or not these are an option for the V6's - but apparently there are "390cc" injectors available which fit our fuel rails...... unfortunately they aren't cheap.

Also PM'd Jason about his car - he's confirmed his injectors are just about hitting 100% duty cycle now and will need to be upgraded before the next version of his engine can be completed. I'd imagine because of the extra torque of a forced induction application - you would hit the limit of the injectors alot earlier than in a big HP aspirated engine.

Sports
26-05-2006, 12:06 PM
I'll only be running 6-7psi so I'll see how it goes, should be ok, if not I'll tackle that if its a problem

J-PaP
26-05-2006, 12:52 PM
simplest way to answer your question. RPW's base turbo kit is a 6-7psi application and he replaces the injectors with 390cc items. So theres your answer i guess.

Bain
26-05-2006, 01:05 PM
(it's the $1300+ for a set of injectors thats worrying me).

WTF!

Since when does Injectors cost this much?!?!?

Source your injectors from these guys.. Reliable to.

http://www.injectorsonline.com/

They are based in Victoria.

Sports
26-05-2006, 01:10 PM
']simplest way to answer your question. RPW's base turbo kit is a 6-7psi application and he replaces the injectors with 390cc items. So theres your answer i guess.


Yeah but the RPW dude is a rip off merchent in my opion, but I'll only know when I do it and get it tuned, then everyone will know. My understanding is that there pretty big already and Jasons VRX has over 300kw at the flywheel with them does'nt he, I know boost makes a differenct, but 220kw or so seems within reason to me.

Sports
26-05-2006, 01:16 PM
Just re-read Booya's story that was in the a magazine, the 3L injectors were good for 250kw at the wheels, then he put the bigger 3.5lt ones and yeah had all that power so it seems like there fine. Unless Booya says otherwise

cthulhu
26-05-2006, 01:29 PM
Yeah, I said that in the 4th reply to this thread...

J-PaP
26-05-2006, 01:46 PM
Yeah but the RPW dude is a rip off merchent in my opion, but I'll only know when I do it and get it tuned, then everyone will know. My understanding is that there pretty big already and Jasons VRX has over 300kw at the flywheel with them does'nt he, I know boost makes a differenct, but 220kw or so seems within reason to me.

yeah mate im sure his car makes 300kw at the fly. with hampsters inside the wheels to reduce rolling friction. My car had hit 98% duty cycle on the injectors with my n/a setup and i can tlel you it definately didnt have 300kw.

Lets just forget this whole dyno talk crap. Build the car up using the stock injectors and if you find you need them once the cars together itll be simple enough to chuck them on. Its not like the car wont run with the stock injectors. Its just it may run better with different ones.

Black Beard
26-05-2006, 01:54 PM
Just re-read Booya's story that was in the a magazine, the 3L injectors were good for 250kw at the wheels, then he put the bigger 3.5lt ones and yeah had all that power so it seems like there fine. Unless Booya says otherwise

Booya also had 2x 700hp bosch motorsport fuel pumps delivering the fuel to the business end of the car - so he would have had plenty of baseline pressure. From what I've been told - having the right base pressure (from the fuel pump) will help get the most out of the injectors.

Basically I was recommended to go with a surge tank / external pump to deliver the fuel, a malpassi fuel pressure regulator and then just monitor the fuel when the car is on the dyno.

Give me about 6 weeks, and I should have all the answers :cool:

cthulhu
26-05-2006, 01:56 PM
']yeah mate im sure his car makes 300kw at the fly.

It does. It was tested on an engine dyno while out of the car.

Sports
26-05-2006, 06:53 PM
Yeah, I said that in the 4th reply to this thread...


Sorry I missed that for some reason, my bad

Sports
29-05-2006, 03:50 PM
Just had a thought do the sprintex magnas have a new fuel pump or injectors in it?

Black Beard
29-05-2006, 03:54 PM
Just had a thought do the sprintex magnas have a new fuel pump or injectors in it?

Extra injector............... whatever that means :confused:

(and they only run 4psi)

Sports
29-05-2006, 04:03 PM
Extra injector............... whatever that means :confused:

(and they only run 4psi)


4psi is that all :shock: I thought it was 7psi. Oh well I'll be getting a bigger fuel pump before the conversion then, I was just wondering if I could get away first or after it goes on.

Black Beard
29-05-2006, 04:19 PM
4psi is that all :shock: I thought it was 7psi.

Hmmmmmm..... was pretty sure it's 4psi - now I can't find any reference to it, so I don't know how I came up with that number........

Must have been when I spoke to them :confused:, either that or i dreamed it.