dipstick

When installing the ignition in my SPF40, we decided to run the coil wire from the starboard mounted coil upward, and into a small, rectangular chassis channel toward the middle of the car. This is the channel that runs across the car, just under the rear window. We saw other wiring running...

Is it ok to leave the oil dipstick in the timing chain cover on my 289 or will it be impossible to reach once it it jammed up against the firewall?