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307kahjdh 09-10-2005, 02:32 PM I have a 90 buick estate and it has the olds 307 V8. I need to know how to get more power outta this thing. It has a little over 200,000miles so i dont want to go too extreme. Any thoughts? KJH 09-11-2005, 10:24 PM I have an '86 Regal with the same motor and considered changing the gear ratio in the differential to boost performace. I figured since the car has an overdrive and most of my driving is around town, mileage wouldn't suffer too badly. Good luck vBulletin®, Copyright ©2009, Jelsoft Enterprises Ltd.
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