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Discussion Starter · #1 ·
I got a 72 Ranchero today. 302/C4. It shifts a little late and harsh 1-2, and I have to let off the gas to get it to shift 2-3 when up to temp. It's fine when cool. I though the modulator was plugged to the wrong source, but it's not. I'll check some more in the morning. But, any ideas guys? Thanks
 

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If your modulator is adjustable turn it ccw about 6 turns and see if it gets better. You might need to turn it out even more than that.
Pull vac hose off and look inside. Should be a slotted screw head in there.
 
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