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Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by jayccb1, Feb 3, 2004.
I have th700 and was wondering how good that is and if it is worth upgrading to a th350 or 400.
Need more info. What year, mileage, type of wheelin, lift, tires, trail rig or daily driver??? /forums/images/graemlins/whistling.gif
'89 blazer, over 200,000 miles, daily driver occassional off road use, stock 350 motor, 35" tires and 4" suspension lift.
Gears are more important for you than anything. If you don't have 4.56s or lower, time to upgrade those FIRST.
The 700r4 can be built with an eye towards strength and longevity. Your is a later model and has many of the upgrades that took gm several years to figure out. Keep the fluid changed and when the motor dies have the trans rebuilt too! You have a 3.06 first gear in there which the 400 or 350 couldn't match, coupled with the torque conerter and the 2.72:1 low range of your case its pretty good out of the box. /forums/images/graemlins/thumb.gif /forums/images/graemlins/k5.gif
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