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  1. M

    fuel pressure not staying constant

    hey everybody. i've hooked an afr gauge up to my car and am working on getting my fuel dialed in just right, but i'm having a hard time understanding why my fuel pressure drops down to like 32 psi from about 40 psi. under hard acceleration i'm holding good around 39-40 psi and my afr is good...
  2. M

    30# super couple injector slope/offset

    does anyone know where i can get the correct injector slopes and offset for the 30# injectors that came on the super couples? :shrug:
  3. M

    No ground on TPS sensor (ran new ground and fixed it) more problems!!

    So I've been trying to figure out why my tuner wasn't showing a few sensors (ECT, ACT, TPS) Well i found that the black wire on my TPS wouldn't ohm to ground...so i ran a wire from it to my firewall and wow...all three of those sensors now read. Does anyone know what would cause this. I think...
  4. M

    very high air/fuel ratio...sputtering...bad gas?

    i finally got my wideband hooked up and my car at idle is running at 20:1 afr which is way high. even when i rev up on the engine the ratio only drops to about 16:1. I've adjusted my fuel pressure from 40 to 30 psi and it had no affect! i have 30# injectors too. it has new plugs, coil, rotor and...
  5. M

    alternator upgrade and wiring question

    I'm going to be doing the Mark viii fan upgrade but first wanted to get my electrical system in order first. i'm thinking about going with the sn95 130 amp alternator...but i hear there is a wiring harness that i will need. is all i need the pigtail harness? if so...how do i know what wires to...
  6. M

    bad vibration in dash

    i just bought a 2000 mustang gt and it recently developed this bad vibration that shaked the crap out of my console. the faster i go the worse it gets...but it only does it when i'm off the gas. if i smash the pedal it goes away but starts to vibrate again at half throttle or when i let off it...
  7. M

    bad coil pack? motor missing/sputtering..i'm lost!

    hey guys i just bought a 2000 GT and all of a sudden the motor started runnin funny, kinda like its missin. at first i thought bad gas but i've filled up since and it won't go away. i noticed one of the COP's (coil pack) had worked its way up cause the bolt holdin it down was broke so i thought...
  8. M

    331/347 stroker compression?

    I've searched through a few threads and have read all kinds of info on the 331/347 stroker...still kinda leaving me with NO idea on which is better cause there's so many opinions...i guess it's all presonal preference. Here's my Question: What would be an optimal compression ratio for a N/A...
  9. M

    Get Low! Get Low!

    Ok. I have some rubbin problems on my 89GT. I've done everything I could think of to leave to 17x10 cobra r's on the front. I know, it was stupid even puttin them on :bang: . Well I put on new stock springs and some kyb shocks and my front end is sky high and it still friggin rubs :shrug: , so...
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