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Old 03-15-2014, 01:20 AM   #1
BIGburb1989
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1989 suburban transmission issues

whats going on guys,
Im new to this forum so I apologize in advance for any mistakes or mis-postings. heres my story, I bought my suburban and the 700r4 trans wont shift into 3 or 4. my question is should i have the 700r4 rebuilt, or attempt a 4l80e swap? the trans guy I went to said he would charge me 2200$ total for a rebuild and finishing touches when I reinstall it. the 700r4 is running behind a 454 which is why I assume it wrecked the trans. I have no idea what it would take to make this swap happen either, which is why I have come here for answers. all input is appreciated! thanks.
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1989 chevy suburban 4x4, 454 w/700r4, holley carb, doug thorley headers, flowmaster exhaust, good year military tires, 12 bolt 3/4 axles

coming soon: jakes perf 4l80e, np205
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Old 03-15-2014, 10:05 AM   #2
68Timber
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Re: 1989 suburban transmission issues

You've come to the right spot. There's tons of info here on swapping late model engines/transmissions into these trucks. Here's one in particular that I thought of: LINK.
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Old 03-16-2014, 06:07 AM   #3
BIGburb1989
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Re: 1989 suburban transmission issues

Thanks! I'll be sure to use that. And when the time comes to get down to business I'm sure there some knowledgeable guys out there to help me along my way. Much appreciation
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1989 chevy suburban 4x4, 454 w/700r4, holley carb, doug thorley headers, flowmaster exhaust, good year military tires, 12 bolt 3/4 axles

coming soon: jakes perf 4l80e, np205
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