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Old 06-05-2018, 01:23 PM   #916
MTCK
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Join Date: Dec 2009
Location: Fairbanks, AK
Posts: 1,830
Re: My 78 K15 High Sierra build - Fish Tremble

That’s awesome, glad you leave proper black marks. I made the same swap on my ‘77 that I daily drove a few years. 3.08 open to 4.10 limited slip. What a difference. I never did the overdrive swap and just had to get used to spinning 3000 rpm on the highway. These motors do it all the time in jet boats!
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1991 V3500 L29 454 4L80E NP205 D60/14 Bolt 4.56's
1984 K30 292 TH400 NP205 D60/14 Bolt 4.56's flat bed 7'6" Meyer Plow
2022 Silverado 3500 L8T
Project Daily Driver
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