ok, i have an 83 with crossfire... i set the timing, and now it will idle in gear... i managed to get it down the road for the first time since ive had the car. but when i was driving it, it seemed very sluggish. (slow starts, didnt accelerate very fast) now, next day... go to drive it again... idles in gear which was the biggest concern to me so i thought... went to drive it, and it wont go past maybe 10-15 (speedometer doesnt work, so its an estimate) and it will cut off whith the pedal down. now... installed a before hand brand new airtex fuel pump (what they gave me at auto zone) and before you say it no it doesnt have a catalytic converter... it seems hard to rev in park but will wind its way up (tach isnt accurate so i cant say whether it goes all the way to 6500 or not) any help?

 

Whatever knowledge there is will be in the TBI sub-forum. But your engine was supposed to peak at 4200 rpm when it was new, so forget 6500 rpm.