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Old 11-14-2017, 08:31 PM   #1
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Low hump removal/High hump install questions?

I'm doing a low to high hump swap(? or call it a low to high trans tunnel swap?) and had a couple of questions for those that have done it.

1st, I have cut out the low hump and loosely fitted the used high hump I got from a member here...are there any special details involving fitting it/drilling holes , etc. that I should be aware of?

2nd....whats everyone sealing there tunnels up with? Some type of narrow peel and stick insulation tape? Something like a tube of silicone or some seam sealer? Something else?

I will also be reinstalling my B&M Truck Megashifter to the floor/hump that will get a lot of abuse, and wondered how much that might effect the sealing system used.
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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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