Upgrade computer chip???
 

I've heard from numerous people now, hat after this weekends install of my injectors, fuel pump, and intke, that I'm gonna start having major driveability problems and my car's actually going to slow down....unless I get an after market chip (i.e. SuperChip or Diablo etc etc). Does this sound right?

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

Dude I dont see how you ever hit a mid 12 with the stock injectors anyway. My stockers are choking my combo hard and its not near as extreme as yours. You dont need an off the shelf chip. Take it to a shop that does custom dyno chip burning. It will help a lot but its gonna cost around 6 bills with dyno time.

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95GT B303 cam, 1.7 rockers, 65mm TB, 73mm MAF, milled heads, 355's K&N, BBK Longtubes, Flowmaster cat back, pulleys, msd coil, 9mm wires, Tremec 3550, Pro5.0 shifter,10.5 Motorsport clutch, FMS aluminum driveshaft, weld in subframe connectors

Wait, You even hit that 12.5 with the stock intake?! Thats amazing.

Ahhhh, no he didn't. If you read his mod list he has a TFS Intake and 30# injectors.

There is a whole, very indepth thread answering his question on the Female Power forum right now...

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Dan McClain, Editor
The Mustang Works Magazine
1991 Mustang GT - NOVI Supercharged 377 Stroker
1999 Ford Lightning SVT - 2000 Prototype updated by Roush

[This message has been edited by Dan McClain (edited 04-20-2001).]

The 12.5 was pre-intake/injectors/fuel pump. It was with all other mods, last season on M/T slicks. The car came fast from the factory. Stock, I ran a 13.8!

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)

Dan, I havent read the other thread yet, but he says he made those passes before the fuel mods. I just think thats incredible, especialy hitting a 13.8 stock.

I just put in the intake/injectors/fpump this weekend......and this car ROCKS! I didn't expect this much out of these simple mods. I don't feel any problems or think I need a performance/dyno chip.....but do you think it'll help even more? Next up........blower baby!

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; 190 lb fp; FPR; TFS track heat Intake - 12.513 @ 112 mph (Pre-inj/fuelpump/FPR/intake)