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Old 02-21-2012, 08:27 PM   #1
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Exclamation calling all LSx swap with 6L80 or 90-e

I am looking at electronic transmission now that it looks like I'll be running efi soon. I had originally thought 4L80e but the more I thought about it...if I was tossing on some technology I might as well take full advantage of it...as in a 6 speed transmission. While I'd like to put a t-56 in there an automatic is more practical. After all....my truck already has a successor. My grandson!

SO.....how's the fit on these two transmissions with our trucks tunnel setup. Is a tall (turbo 400?) trans cover needed over the short one ????...or just a little selective cutting and pounding?

Thanks!
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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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