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07-19-2009, 09:10 PM
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#1 |
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Account Suspended
Join Date: Jun 2009
Location: Tipton IN
Posts: 81
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Re: 6.0 LS or build a 406?
Why no 8.1\Allison combo?
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07-20-2009, 07:02 AM
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#2 |
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Registered User
Join Date: Feb 2007
Location: Memphis MI
Posts: 1,851
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Re: 6.0 LS or build a 406?
8.1's make decent torque but don't rev fast and suck gas like crazy. While Allisons are very stout they aren't particularly efficient and not much on performance.
8.1 / Allison is a great dually hauler combo but just not much fun to drive compared to 6.0/4L80E.
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1987 2 ton  1982 250/TH350 beater in progressDad's 1981 3/4 L6 3 on tree posi and no options, awaiting restoration or scrappingPlus a mess o' tractors |
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07-20-2009, 06:00 PM
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#3 |
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Registered User
Join Date: Mar 2009
Location: Midland, Tx
Posts: 418
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Re: 6.0 LS or build a 406?
Get a 6.0 LQ4 and build it to a 370
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1972 GMC C10 Last edited by Manbearpig; 07-21-2009 at 02:13 AM. |
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07-20-2009, 07:47 PM
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#4 |
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Registered User
Join Date: Jul 2005
Location: Saskatchewan
Posts: 189
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Re: 6.0 LS or build a 406?
68TT- you're right about the heads. They would be a splurg and would be overkill. But there's no kill like overkill.
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Stu- 1981 GMC Sierra Classic LWB 355- original 2 bolt block, 10.2:1, vortec heads, Comp XE268 cam, built by self in 1992 700R4-2000 stall with lockup, shift kit, Corvette servo 3.07 open diff- I need a 3.73 posi! 2nd owner since 1986 - 388,000 km and counting. 100k by the first owner and the rest by me. |
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