87 tbi 454 into a 84 c10--Headers or not
 

should i go with headers or is it better to stay with manifolds with the TBI?

Re: 87 tbi 454 into a 84 c10--Headers or not
 

The headers helps out any design motor, as long as you do things to keep it from going lean with the extra flow. Look at changing the T/stat to about 180 degrees and look at a Throttle body spacer for low end torque.