Originally Posted by unstable
I believe I have the modulator plumbed correctly. I traced the line and it goes into the intake manifold and the steel tubing looked to be 1/4" tubing but on the end that went into the manifold it had a reducer that narrowed the I.D. to about the size of a needle.
I've seen this- albeit rarely. Lose it, it is not needed, nor wanted.
It was probably there to delay the modulator enough that the tranny wouldn't "hunt" between gears, and/or keep the modulator from functioning as quickly w/the application of throttle. But discard it, just the same.