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Line pressure adjustment

Paul_G

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Surprise, Arizona
I have a 46RH in my 69 Road Runner. It was rebuilt a couple years ago. It works great, ecxept at full throttle. At WOT it wants to rev well over 6000 and wont upshift. I have adjusted the kick down cable, Bouchillon, to get my street driving shift points reasonable. If I adjust the cable to shift sooner at WOT, 2nd and 3rd come right in before 10 mph. I had a thread on this a while back, but did not do anything with it except not going WOT.

First, is it possible to increase line pressure? Will that even help my problem?

How can I test line pressure? How to adjust it?

It looks like I am taking this car to Duct Tape Drags next weekend since I still dont have the heads for the 73 back from the machine shop. I need to get this fixed.

Paul
 
Seems decreasing line pressure is the thing. There are other adjustments on the valve body to help this.
 
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