99 z turbo - Boost Forum

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99 z turbo
Sunday, August 29, 2010 6:16 PM
ok guys i have a few questons about the build im a doing. First i will list what my motor has done to it. 9:1 wiseco forged pistons forged eagle rods arp main studs the top of the block was milled the crank journels where machined to be all inline. clevite main and rod bearrings. new water pump oil pump 1mm over sized stainless valves the head was pressure tested milled port and polish and the valve job and secret cams. so my question is i am looking to run 15 lbs. what injectors are you guys running lbs/cc size should i get an inline fuel pump. i am going to get the car tuned. should i trailer the car to the place or should it be fine if i where to drive it.




Re: 99 z turbo
Monday, August 30, 2010 5:11 AM
55 or 60 lb/hr would be a safe size, and it would give you a little room to grow if you wanted. And the conversion factor from lb/hr to cc/min is very easy, just multiply by 10 (55 lb/hr = 550 cc). It is not perfect, but it is very close.
Re: 99 z turbo
Monday, August 30, 2010 12:44 PM
Depending on how far you need to drive id say trailer it. Its safer that way, or just stay out of boost! If i were to do it over id go with a racetronix fuel pump. There is all kinds of info if you do a quik search.


"Straight roads are for fast cars, turns are for fast drivers"-Colin McRae
Re: 99 z turbo
Tuesday, August 31, 2010 9:49 AM
So what brand name injectors are compatible with my car or what other cars have injectors I can use. I would like to have a plug and play but if I have to splice wires for the new injectors that is ok too.



Re: 99 z turbo
Tuesday, August 31, 2010 10:38 AM
jons2000z24 wrote:So what brand name injectors are compatible with my car or what other cars have injectors I can use. I would like to have a plug and play but if I have to splice wires for the new injectors that is ok too.


I dont know of any that are plug and play. Im sure there is but not sure, maybe someone els can chime in and let you know. You can get bosch style plugs from the yard off a 95-98 cav or fire and splice them in. Im running ford green tops and thats the route I went. greens are 440cc/ 42lb


"Straight roads are for fast cars, turns are for fast drivers"-Colin McRae
Re: 99 z turbo
Tuesday, August 31, 2010 1:19 PM
I have a set of 370cc rceng. injectors and harness for sale that are plug and play, the difference in most cases is the injector connector/clip is different and you have splice these connectors to your factory harness, mine's done already so all you do is unplug your old injectors with the whole harness and plug mine in and your set.


peformance parts for sale!! Click:
http://www.j-body.org/classifieds/engine/62265/
Re: 99 z turbo
Tuesday, August 31, 2010 4:13 PM
Diyautotune.com sells some nice Delphi injectors up to 75 lb/hr in low and high impedance. They plug right in, I have them and they are great! Cheap too.
Re: 99 z turbo
Wednesday, September 01, 2010 12:48 PM
Yea I checked out diyautotune and I think I will go with the 65lb ones. As for as the file pump is that a direct replacement of the stock or does that go inline.



Re: 99 z turbo
Wednesday, September 01, 2010 5:18 PM
jons2000z24 wrote:Yea I checked out diyautotune and I think I will go with the 65lb ones. As for as the file pump is that a direct replacement of the stock or does that go inline.


I don't know if the 99 Z24's had low impedance or not, I know my 98 2200 did. The highest in high impedance is 51 lb/hr (at least on DIY). As far as the pump goes, most people will go for the Racetronix, because it comes with all the stuff to make it plug and play. When I upgrade my pump, I will go with an in-line Walbro 255, but for that setup you need to do some custom work.
Re: 99 z turbo
Thursday, September 02, 2010 12:20 PM
Wagonwes wrote:
I don't know if the 99 Z24's had low impedance or not, I know my 98 2200 did.


The 99.5's had the 00+ high impedence.
OP would have to look at the injector to find out.

"Oil Leak ? What oil Leak ? Oh, Thats Just The Sweat From All The HorsePower!!"

Re: 99 z turbo
Thursday, September 02, 2010 12:36 PM
All 99 LD9 J-bodies are high impedance.




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO

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