I just purchased Ford Motorsports 30# injectors from Summit and I am going to put them in this weekend. Will my car be driveable under part throttle acceleration? I will be sending the chip back out to TPIS to have them recalibrate it for the 30#. I was told by http://www.cartek.net to go with 30# injectors because the car is running very lean under WOT on the Dyno Jet. http://www.geocities.com/thegta/Dyno1.jpg

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1988 GTA 5.7L TPI Auto
355 ci. block, SLP Cold Air Intake w/ K&N, fully modified MAF Sensor, TPIS 52mm Throttle Body w/Air Foil, Fully Ported and Polished Plenum, Nikel-plated Ported SLP Siamesed Runners, Ported TPIS Big Mouth Intake Manifold, stock heads w/ 1.52 Comp Cams Self-aligning Roller Rockers, TPIS ZZ-9 Roller Camshaft, TPIS Valve Springs, Cloyes True Double Roller Timing Chain, TPIS Adjustable Fuel Pressure Regulator, Ford Motorsports SVO 30 lb/hr Fuel Injectors, MSD 6AL, Taylor 10mm Wires, Bosch Platinum +4 Spark Plugs, MSD Blaster Coil, MSD Shift Light, March Underdrive Pulleys, 6 3/4" Vibratech Streetdamper, TPIS Level 4 PROM, 160 T-stat, Low Temp. Fan Switch, Stock Distributor w/ Bronze Gear, SLP 1 3/4" Headers, Random Technologies High Flow Cat., Adjustable Borla Cat Back Exhaust, Flow Tech Pre-Cat 3" Exhaust Cut Off, ZR1 Heated O2 Sensor, Level 10 PTS-3 700R4 Trans, B&M Holeshot 2400 Stall Converter, B&M Trans Cooler, TCI Aluminum Finned Trans Pan, Torque Converter Lock Up Switch, 3" Balanced Aluminum Driveshaft, 3.73 Richmond Gears, Auburn Pro-Series Differential, Aluminum Differential Cover w/ Main Cap Preloads, BF Goodrich Drag Radials 255/50 R16, Hotchkis Lower Control Arms, Hotchkis Panhard Rod, Hotchkis Tie Rod Adjuster Sleeves, Bilstein Heavy Duty Shocks and Struts, 1LE Springs, Energy Suspension Polyeurethane Bushings, Global West Tubular Subframe Connectors, Global West Steering Box Brace, HP Motorsports 3 Point Strut Tower Brace

"Why ride a stang when birds can fly?"

http://www.geocities.com/thegta

 

30# injectors??? Something tells me you dont need those...

I think theres a problem somewhere else. You were running lean at 3000rpm. Hows the fuel filter? Any kinks in the fuel line? Check it first before you answer that one, Ive seen more than a few jack marks on fuel lines.

And no, without a chip change its not gonna run very well with 30# injectors, its going to drown in fuel.

 

I'd stay with 24's Hell I read your Mods again and you could have stayed with the 22's. Your only big mod is the cam. Theres alot of guys running 12's with the 22's

[This message has been edited by Mkos1980 (edited March 11, 2001).]

 

The fuel filter was changed about 2,000 miles ago (which I replace every 12,000 miles) and the fuel pump operates properly. On the Snap On Scan Tool I get only a .2 volts drop from the battery and the pump. There are no kinks on any of the fuel lines. The latest run with the camshaft and the 22# injectors was a 14.56 @93 MPH.......something was definitely wrong. I ran a better time a few months ago which was a 14.4 @94 MPH.