Super Chevy – October 2019

TECH SMOOTH OPERATION

Once all the welding is complete, the

welds are smoothed and blended so

once primer and paint are applied none

of the seams will be noticeable.

14

Along with the new -inch recessed

firewall piece, RDS also offers a

transmission tunnel insert from Hot

Rod Dynamics that makes it easier to

accommodate modern transmissions like

the L automatic or TREMEC Magnum,

which needs more space than the factory

transmission tunnel provides.

15

The new tunnel insert is set in place for

marking up where to cut. You’ll notice

the cut marks are leaving quite a bit of

extra material. This is deliberate to aid in

fitment of the new insert and aid when

it is welded in place. If you cut away too

much it just makes for a lot

of unnecessary work.

16

Poof. It’s gone. A testament to the Tri-Five

design is how adaptable it has proven to

be over the decades for modifications.

This is one of the many reasons these cars

are still popular today with builders and

enthusiasts.

18

Sparks fly and the factory-spec section

of the transmission tunnel goes into

the scrap bin.

17

On the left is the new trans tunnel piece

and on the right the factory-spec piece.

When it comes to width, the new RDS

transmission tunnel insert provides for

a lot more room to accommodate the

girth of the newer six-speed automatic

transmissions. The new piece is also

designed to carry that extra width farther

back, taking into account the extra length

of the L and L series automatics, as well

as larger six-speed automatics.

19

The stich welding process is done

patiently to make sure the metal doesn’t

get too hot and start to warp and

negatively affect fitment and the

final appearance.

13

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