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Old 04-16-2011, 09:45 AM   #1
87hilux7mge
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had alot of sbc's, including my old maro with a 375 hp 360 cubic incher with a wct5 and 3.73 posi. one in a supra would be fun with all the low end torque, move the heavy chassis alot easier from a stop.

neway, you will prolly have to get aftermarket gauges and use the stock th350 cable. or see if you can find the toyota speedo gear sizes (contact dealerships) and then find corresponding chevy ones to match. that would be alot of work and research, for possible wrong end results. a full set of autometer gauges is only about 200 bux, and you could calibrate them to whatever application you have, usually.
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Old 04-16-2011, 11:17 PM   #2
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You're not going to get an accurate speed by just running the cable to the Chevy tranny... Find a shop (local or online) which specializes in speedometers (yes they do exist) and get an adapter made... It's a little gear box which you run a short cable from your tranny into and out of it you run the Toyota tranny's cable. They should have the ratios for each, if not the RPM for Toyota speedos is the same for all Toyotas of this vintage and then just get them the end gear ratio that you're running and the tooth count off the driven gear.

Good luck and have fun!
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