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post #1 of (permalink) Old 04-02-2005, 11:28 AM
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new blazer

i just bought a new/old blazer, its an '86 chevy fullsize blazer, it runes great it has the 700r4 tranny and im aussuming the 208 transfercase, 10 bolt axles and a rebuilt 350 the he installed about 100,000 miles ago, it runs drives great, my questions are, is the 700r4 a good or bad tranny, ive herd both sides that it is a great strong tranny, ive herd that it is very weak unless rebuilt with heavy duty parts, whats the deal, ill get some pics later today and post em. thanks
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post #2 of (permalink) Old 04-02-2005, 02:27 PM
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Re: new blazer

Do you know if it's been rebuilt? A lot of folks like the 700 cause it has a lower 1st gear, and the OD as well. I've had a couple of 700's and like them enough to stay with them. The one in my old 84 K5 did eventually go out, but it was rebuilt with HD stuff, and was still going strong when I sold the K5.

The earlier 700's had some bugs, but later on they were better. Just give it the regualr maintanace, and it should be fine. When/If it does go out, just go with a good HD rebuild on it and you should be fine. If you don't have a good tranny cooler, then I would suggest getting one. Keeping any auto cool is a key to keeping it going longer.
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post #3 of (permalink) Old 04-02-2005, 07:23 PM
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Re: new blazer

86 was one of the earlier years for the 700, and it had some bugs. They got better as the years went by and when built properly they can handle quite a bit of hard use. I just had mine rebuilt for about $1400.
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post #4 of (permalink) Old 04-02-2005, 08:38 PM
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Re: new blazer

It depends what your going to use it for and how hard your going to wheel it and what size tires your gonna run. if you hjave 35's and wheel hard, you might see problems, but 35's and wheelin on the weekends and it should hold up ok.
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