I agree with chuck. Mine has a lockup & its like another gear. It drops about 6-700 RPM on my car & I think it probably does on the truck too. I shure wouldn,t let them put in a high stall converter. They are a nusense to drive & only nessesary if you have a wild cam or going raceing.I used a vacuum switch off a late 80,s van & a pressure switch on the 4th gear test port & made the lockup automatic. You can run the lock up converter without locking up. I ran one about a year like that before I put a lock up system on it. I believe the good ones were the 87 & latter.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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