hey all i am really wanting abit more power of my camry

so i am looking into the Throttle body spacer for the old girl
how much better would my car go if i was to install on of these what difference would i notice in off the mark power/speed


the camry is a
1991 toyota camry sv21
2ltr 4 cyl 3sfe 5 speed manual
CURRENT MODS:
k&n panalfilter inthestock box that i have modded by chopping the box to bits
spark plus are now split fire triple platinum and the leads are top gun 8.8mm sprial wire
complete custom duel exhaust and geni headers
and thats all so far in the engine area of the car

 

i don't think you'll feel a differrence...