That's the eternal debate. From what I can gather, it can be harmful on the tranny. Some people blow their tranny the first time they try it. Others do it for years and never have a problem. Anyway, you decide if it's worth the risk. I've used it in the past for racing, but it was still inconsistant, even with the shift kit. The full custom vb is the best way to go.
--nathan
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'91 GT, Coast 347, 9.5:1 compression, full intake, Wolverine 1087 cam, exhaust, Keith Craft ported Windsor Jr. Irons (235 cfm intake, 195 cfm exhaust), AOD, PI 3500 converter, Lentech valve body, 3.73's (4.10's in the works), and Yokohama ES100's out back.
Daily Car: '04 Infiniti G35 Sedan 6MT
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