ok so my car (89' Firebird Formula) runs and drive great she really pulls at 75% throttle........BUT when i go WOT there is no pull????

Engine Specs (it was pull out of an 89' Suburban LB9)
-Board 30 over
-deck shaved
-STOCK HEADS
-Stage 2 duel rise Intake manifold (Summit)
-Hooker Shorty Headers no CAT to 3" exhaust to magnaflow muffler
-Edelbrock 600cfm 1406 CARB
-Mallory 4309 FPR

my summit fuel pressure gauge is steady at 5.5 PSI even under load ( i can see threw the off center hood induction to my gauge) i think i am running to lean but i don't really know how to tune a Carb, do i need to calibrate it with SEATS, RODS ect

 

Try playing with the springs first- go a bit stiffer.

If that doesn't work, then play with the rods and jets. If you have the manual, there's a 'map' in it that shows the stock combo, and where each combo of jets/rods will put you.

 

is this what your talking about http://www.summitracing.com/parts/EDL-1487/?rtype=10

 

Also where are the springs, i dont no my way around a carb

 

The springs are inside the carb.

Looking at it from the front, on each side on the top there is a Torx screw holding down a oblong/melted jellybean looking cover. Your springs, rods, and jets are under those plates.

http://www.youtube.com/watch?v=I0cuI...8C50E21C1BE825

 

Springs won't have anything to do with it.

Read the Edelbrock manual and follow the step-by-step process they have for tuning. You won't find a simpler explanation.

And get rid of the triangle-of-death air cleaner before your car chokes on it.

 

That's what fixed mine when I had an identical problem. The stock springs were too soft for 75%- WOT and weren't making the rod to pull out of the jet.

 

Follow the instructions from the beginning, and make sure you do all of the steps in order. Don't just jump to the end where you change springs.

 

so i should go with EDELBROCK performer calibration kit P# EDL-1487 and richin it up, also whats a good SMALL air cleaner i like to see more of my motor ?????

 

The stock one....

 

No, get the kit and then follow the entire process.