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Author Topic:   FMS SVO injectors?
Jason-89 IROC-Z
Member

Posts: 15
From:Dallas, TX
Registered: Dec 99

posted 01-05-2000 11:52 PM     Click Here to See the Profile for Jason-89 IROC-Z     Edit/Delete Message   Reply w/Quote
I just bought a set of these. They are the 30# ones. The motor is around 400HP plus a 150 shot of NOS.
Do you all think these are the right ones?
Or is there some type of formula to figure out what size of injectors to use according to HP?
BTW, they're for my Camaro. And Yes they do work on my fuel injection system. Accel wants like $500 or so, and the SVO injectors are only $210--and they're exactly the same!!

------------------
89' IROC-Z
355TPI, 6-speed
I'm still lettin her break in...


[This message has been edited by Jason-89 IROC-Z (edited 01-05-2000).]

IP: 205.188.196.54

jimb
Senior Member

Posts: 52
From:s. holland, il usa
Registered: Nov 99

posted 01-06-2000 11:25 AM     Click Here to See the Profile for jimb   Click Here to Email jimb     Edit/Delete Message   Reply w/Quote
I know that the stock 19lb injectors are able to support about 300 HP, the 24lb can handle up to 400 HP, so the 30lb should have no trouble handling your 400 HP. I assume you have a nitrous system that adds extra fuel when activated?

IP: 207.24.72.10

a351must2
Senior Member

Posts: 160
From:Snohomish, WA, USA
Registered: Jun 99

posted 01-06-2000 12:50 PM     Click Here to See the Profile for a351must2   Click Here to Email a351must2     Edit/Delete Message   Reply w/Quote
that's the size I've been planning on using for my 351W, when I convert it to EFI.

The 30# injectors are a nice low-impedance injector that can run 100% duty-cycle without overheating.

I have two sets at home for my 2.3L Turbo motors.

IP: 131.107.3.76

Capri
Moderator

Posts: 583
From:Lyons, ILL, USA
Registered: May 99

posted 01-06-2000 01:20 PM     Click Here to See the Profile for Capri   Click Here to Email Capri     Edit/Delete Message   Reply w/Quote
We have a saying, Keep your Gm car all Motorcraft!!!!!!!

LOL

The Injectors I use in my stocker are 24lbs and are controlled via Accell DFI system. The 30 lb injectors will flow more fuel with each pulse. Im sure as long as you are flowing the air, you can utilize that much fuel. The HP is not the concern as much as Airflow is. Remember, you need air to burn fuel and they should be in Equal parts. My best suggestion is try them since you have them. With the DFI system you can add or remove the fuel pulse to fatten or lean the thing out. If you are not using a DFI system. or something of the like, you will have no way of re jetting so to speak. You will have to raise or lower fuel pressure to make a tuning adjustment.

Tony.

IP: 209.240.200.63

71ragtop
Senior Member

Posts: 478
From:Atlanta, GA
Registered: May 99

posted 01-07-2000 08:37 AM     Click Here to See the Profile for 71ragtop   Click Here to Email 71ragtop     Edit/Delete Message   Reply w/Quote
Stupid question time...
In Summits catalog, the picture of the FMS-SVO injectors shows them as orange. Are the different rates 19/24/30 color coded? How could you tell by looking at them already installed, which size they are? The 94 GT I was looking at had orange ones, just wondering if they were stock or not...

Mike

IP: 192.128.167.84

a351must2
Senior Member

Posts: 160
From:Snohomish, WA, USA
Registered: Jun 99

posted 01-07-2000 12:02 PM     Click Here to See the Profile for a351must2   Click Here to Email a351must2     Edit/Delete Message   Reply w/Quote
yes, they're usually coded by color...don't know what orange is. The low impedance 30# injectors are brown.

IP: 131.107.3.84

71ragtop
Senior Member

Posts: 478
From:Atlanta, GA
Registered: May 99

posted 01-07-2000 02:32 PM     Click Here to See the Profile for 71ragtop   Click Here to Email 71ragtop     Edit/Delete Message   Reply w/Quote
OK, I looked at the catalog again and pulled up the online catalog as well. It looks like orange is for the 19's which it says are stock...answers that one.

Mike

IP: 192.128.133.84

Capri
Moderator

Posts: 583
From:Lyons, ILL, USA
Registered: May 99

posted 01-08-2000 04:35 PM     Click Here to See the Profile for Capri   Click Here to Email Capri     Edit/Delete Message   Reply w/Quote
Ok here's the breakdown.

Orange, 19 lb injectors. Stock in any 5.0 and 5.8

Blue, 24 Lb stock in 460 trucks

Red 30lb stock in a supercharged cougar/t bird

I have never seen a brown injector, but a dark blue which was designating motorsport injector before just taking a stock baby blue injector.

Tony.

IP: 209.240.200.43

71ragtop
Senior Member

Posts: 478
From:Atlanta, GA
Registered: May 99

posted 01-09-2000 12:46 AM     Click Here to See the Profile for 71ragtop   Click Here to Email 71ragtop     Edit/Delete Message   Reply w/Quote
Thanks Tony!

IP: 152.205.249.208

Capri
Moderator

Posts: 583
From:Lyons, ILL, USA
Registered: May 99

posted 01-10-2000 01:16 PM     Click Here to See the Profile for Capri   Click Here to Email Capri     Edit/Delete Message   Reply w/Quote
Sure Mike. No problem. Always glad to help out any way I can!!!!

Tony.

IP: 209.240.200.99

slow 50
Senior Member

Posts: 36
From:hampton,va
Registered: Aug 99

posted 01-13-2000 06:51 PM     Click Here to See the Profile for slow 50   Click Here to Email slow 50     Edit/Delete Message   Reply w/Quote

(brake H.P. x .5)
___________________
(#of injectors x .8)

this is the equation for injector size

IP: 24.4.154.146

Jason-89 IROC-Z
Member

Posts: 15
From:Dallas, TX
Registered: Dec 99

posted 01-22-2000 11:43 PM     Click Here to See the Profile for Jason-89 IROC-Z     Edit/Delete Message   Reply w/Quote
slow 50--thanks a lot!
That means 30# is perfect.
Brake HP is the same as flywheel HP, right?

Jason

IP: 205.188.197.169

Capri
Moderator

Posts: 583
From:Lyons, ILL, USA
Registered: May 99

posted 01-23-2000 10:24 PM     Click Here to See the Profile for Capri   Click Here to Email Capri     Edit/Delete Message   Reply w/Quote
Hmmmmmmmmmmm

300 x .5 150
------------ ---- = 23.44
8 x .8 6.4

Meaning 24lb injectors??????

Tony.

IP: 209.240.200.22

Jason-89 IROC-Z
Member

Posts: 15
From:Dallas, TX
Registered: Dec 99

posted 01-24-2000 11:32 PM     Click Here to See the Profile for Jason-89 IROC-Z     Edit/Delete Message   Reply w/Quote
[email protected] flywheel??? * 0.5 = 200-212.5
8 * .8 = 6.4
200/6.4=31.25
212.5/64.=33.20

350 RWHP * 0.5=175
175/6.4=27.34

So, do you go by RWHP or flywheel HP? Either way it looks like 30# injectors will work. Thanx.

IP: 152.163.194.176

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