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Old 06-22-2010, 10:12 PM   #85
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Re: 85 burb meets 6.0 lq4

you've got a lot of weight with that sub though...and a dual plane makes much better torque then a single plane. And for what you'd gain up top with the single plane...I don't think up top its worth what you'd loose down low...and the dual plane wouldn't loose as much up top as the single plane does down low. Lets face it....you're not going to be turning that motor near 7k rpm all the time, if at all...but you will be running from idle to 4500rpm...most of the time. That LQ4 doesn't really need to turn more then 6500 or so. I don't plan on twisting my LY6 more then 6800.
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Kurt -

'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...

my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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