Quote:
Originally Posted by Pontiac1976
The 73-80 bottom (firmer) is thicker I be leave then the 81-87 (not as firm bottom as 73-80) or is that just the spring that do that mostly.
TKCR You Really got Good at doing the seats great detail, Your growing knowledge of the differences in these seats great. Keep up the good work I know so many will miss you when give it up.
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The 73-80 seat bottom foam is different than the 81-87. It’s made slightly different. I have never thought to measure the thickness, but I could just to see. The springs are definitely what make the 73-80 feel more firm. The “grid & springs” on the 81-87 tends to get stretched over 40 years of being sat on. That is why I replace a lot of those springs, that are stretched or broken. I also have the availability to replace the “grid” if needed. But replacing the springs will tighten the grid back up.
The 3 photos show how loose the grid can be when the springs are missing or broken. The 4th photo is of the 73-80 seat springs. The end spring, which is circled, is usually the only spring that breaks. That is easily replaced.
Last photo is a pic of a new grid for the 81-87 seat.
I don’t plan on giving this up anytime soon. I really enjoy what I’m doing and giving people what they deserve, when replacing their bench seats, and that’s the best quality restored seat.