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Old 11-18-2009, 01:07 PM   #12
BIGBLU 72
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Join Date: Dec 2008
Location: Ashland, KY
Posts: 700
Re: TH400 to 700r4 Swap questions

its a small block 400 and i got the right balancer. what is confusing to me is that i can stomp it and have it floored up to 55 and have no problems at all but when it hits 55 it sounds like its gunna come apart. I dnt have a tach but i would guess its turning upwards of 3500 rpm??????
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04 Silverado SS LQ9 6.0/4L65e/4.11posi AWD
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