Just got my AFPR in, set at 15 PSI. Very good mod, I can definetly feel the difference with it in.

As far as I know these LO3's are almost lean from the factory, so adding headers exhaust and an open air filter only makes this worse.

I am going to the track this weekend, and hopefully with the lower temps, I'll get a nice new(lower) e.t. to report to you.

 

Can you install a fuel pressure guage with the AFPR?? And can you install that inside the ****pit??

 

Hey Mike, what AFPR did u order? Or did u make your own out of the exsisting one? Thanks

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Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html

 

15 psi!? that sounds like alot dude, if your car doesnt get substantially slower I would be surprised

 

What would be a good? Like 12-13? For something like my car and its mods.

------------------
Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html

 

whatever makes it run fastest, every car is different

 

I am using a turbo city AFPR, it's the exact same as if I adjusted the stock one, I'm just lazy.

You can put in a gauge in to monitor the pressure, but you would most certaintly keep that under the hood, as it requires being hooked up to the fuel lines, not a good thing to have in the car.

I thought 15 psi was a little high myself, but it is running real good right now, in the past I had gotten lean exhaust engine codes, so i think this has helped correct the problem. Plus the spark/intake/exhaust mods done to the car make this a pretty good setup. It feels faster, but I'm going to the track this weekend to be sure.


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1990 Camaro RS
305 TBI Auto
K&N Open Air Element, Edelbrock Performer Intake, Edelbrock Headers,Catco Hi Flow Cat, Edelbrock Exhaust, Hypertech Underdrive Pulley's, Jacobs Ignition, Fast Chip PROM, B&M Shift Kit, B&M Mega Shifter, 3.73 Rear with Auburn Limited Slip, KYB GR2 Gas Shocks and Struts, Eibach Pro Kit Lowering Springs, Edelbrock 3 Point Strut Tower Brace, Baer 13 in. Slotted Rotors with Metallic Pads, American Racing Torq Thrust II 16x8 Wheels with Toyo 245 50 VR 16 Tires, 3 in. Cowl Hood, A little weight here and a little weight there.

 

You can also buy electrical pressure gauges that send the pressure to the gauge via wire so that you don't have fuel in your interior. As usual they cost a lot more than the regular gauge.

Steve

 

Hey Mike, where did u get your Jacobs coil?

------------------
Eric Natzke
91 Firebird 305 TBI (ZZ4 summer of "01")
ASCD Ram Air Hood-3" custom exaust-Flowmaster 80 Series-No Cat-Edelbrock TES Headers (coated)-March Pulleys-TBI Spacer-K&N Open ELement-TransGo Shift Kit-B&M Supercooler 28,000 GVW-Hypertech Thermomaster-160 Stat-3:42 GM Gears-Auburn Posi Unit-Edlebrock Strut Tower Brace-MSD Superconducters-Accel Cap & Rotor-Rapidfire Plugs-265/50/R15 Tires-Emmison's all Gone
http://members.aol.com/j007golden/91firebird.html

 

How do you guys figure out your fuel pressure, I have a JET AFPR on my tbi and a Autometer fuel pressure gauge which reads 15 to 18 all the time. I'm basically reading the pressure from the pump.

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91RS-STROKER

 

a gauge inline does the trick, i have one mounted on one of the ports of my external regulator

I run about 19 psi with custom programming, motor isnt stock

[This message has been edited by Pablo (edited November 12, 2000).]

 

I got my jacobs ignition directly from jacobs(that was a mistake!) but summit sells them for about $50 cheaper, so I would get it from there. It's really easy to install(the plugs on these cars are annoying) and you do get the bonus anti theft switch for free. I wired mine under the hood and don't really use it, but it is there.

 

Hey Mike, so did you go to the track this weekend? I'm just really curious on how you did with your AFPR mod, thanks, Pat

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Mods:Hooker Aerochamber 3" exhaust, gutted kitty,
March 2 piece underdrive pullies, smog pump gone,;these two made a very noticable difference.
14x4 K&N open air element filter-the best mod so far
Eibach springs with KYB's all around.
Appearance: Harwood cowl hood, Z-28 wing, painted black(7/20/00)-original color was light blue
*All these mods were made this year
Stock Options:117,000 miles on motor, 5spd, TBI, 305, T-tops
Run a best of 16.7 @85mph with traction problem. Have to try again sometime.

 

I missed the last test and tune of the season at MIR, so I don't have any new numbers. But i do plan on going for some g tech runs this weekend, and I have about 20 runs on this for a baseline, so I will be able to give you something in about a week.
Best g tech run in the past was a 14.7 at 99mph.

------------------
1990 Camaro RS
305 TBI Auto
K&N Open Air Element, Edelbrock Performer Intake, Edelbrock Headers,Catco Hi Flow Cat, Edelbrock Exhaust, Hypertech Underdrive Pulley's, Jacobs Ignition, Fast Chip PROM, B&M Shift Kit, B&M Mega Shifter, 3.73 Rear with Auburn Limited Slip, KYB GR2 Gas Shocks and Struts, Eibach Pro Kit Lowering Springs, Edelbrock 3 Point Strut Tower Brace, Baer 13 in. Slotted Rotors with Metallic Pads, American Racing Torq Thrust II 16x8 Wheels with Toyo 245 50 VR 16 Tires, 3 in. Cowl Hood, A little weight here and a little weight there.