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Old 11-09-2012, 07:12 PM   #32
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Re: And so it begins......

Quote:
Originally Posted by 68Stepbed View Post
I used the POL towers and an ECE trans crossmember in my swap. The only issue I'm currently having is a wrong pinion angle. I plan to eventually get a Porterbuilt tailing arm crossmember and tubular trailing arms.
I've had the same issue with completely different mounts. I finally had to raise the tail of the trans as I had mis-read and had about 5.5* of downward tilt. Its got roughly 3* now as does the rear. I may have to get the tall trans hump and raise it some more if I can't settle things down. I've read somewhere that on some vehicles for high speed you need closer to 1* of angle at both ends vs 3*.
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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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