Manual tunnel hump - The 1947 - Present Chevrolet & GMC Truck Message Board Network

trailcarnage · 06-09-2017, 09:46 PM

Hello y'all,

I'm in the midst of a first time build. I removed a 454/700r4 combo from my 1970LWB and am replacing it with a LT1/A883 combo. The A883 is a side loader 4-speed with an external Hurst shifter.

Tonight I pulled the floor covering to removed the tunnel hump only to find that it is part of the body. This leads me to 2 questions:

1) There is a nice bead stamped into the floor. Which line to I follow with the cut? A, b, c ,d?

2) What height hump do I need to clear the Hurst shifter? High or low?

06-09-2017, 09:46 PM	#1
trailcarnage Registered User Join Date: Oct 2016 Location: Ontonagon, MI Posts: 56	Manual tunnel hump Hello y'all, I'm in the midst of a first time build. I removed a 454/700r4 combo from my 1970LWB and am replacing it with a LT1/A883 combo. The A883 is a side loader 4-speed with an external Hurst shifter. Tonight I pulled the floor covering to removed the tunnel hump only to find that it is part of the body. This leads me to 2 questions: 1) There is a nice bead stamped into the floor. Which line to I follow with the cut? A, b, c ,d? 2) What height hump do I need to clear the Hurst shifter? High or low?



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