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I would pull a A500 from a junkyard truck for 100 bucks and pocket the rest. Or spend some of the money and rebuild/upgrade the A500. The 500 has a better overdrive ratio than the gear vendors and can be done substantially cheaper if you build the trans yourself.
I never saw one for $100 at the bone yard...Mine was $800 and in very good condition out of a 91 van. The problem with them is the OD, the way the factory lets it slide into lock is not very good for a hot rod. Some things need to be changed to make it work, and the valve body is the main area of changes. I recomend SMR trans for the parts and the changes needed. I run one with 4.56 gears, and shift into it at full throttle at times. Locks in just like any other gear when I flip the switch.
The GV unit will take 0hp away from your normal 3 speed operation where as the A500 is always robbing some hp because it drives thru the OD all the time. They say it can rob as much as 1sec in ET...
Also, if you use the lock-up, meaning a good lock up converter, your limited to about 400-450hp as the shaft into the converter is hollow. With the none lock-up converter, the shaft is a normal solid one, and it uses a normal 904 converter.
Last edited by Dragula; 01/07/12 12:18 AM.
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