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Installing a Lokar Throttle Cable on a Holley Sniper EFI

Full Throttle Ahead

Wes Duenkel Jun 27, 2019
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You've bolted down that brand-new carburetor or EFI system, attached the fuel lines and are ready to hit the key for the first time. It's then you realize, "How are we going to attach the throttle linkage to this thing?" After all, connecting the gas pedal to the new fuel mixer is pretty important.

Most factory throttle linkages don't line up to universal aftermarket carburetors and EFI systems. This is where Lokar Performance Products fills the void. Their U-Cut-to-Fit throttle cables and bracket kits make the vital connection between the throttle lever and the gas pedal. Installation is straightforward and the results are clean and elegant.

True to form, Lokar offers some appearance options. Cables are available with a stainless steel braided housing, black stainless steel braided housing or black housing. All Lokar cables feature a specially extruded liner to extend the life of the cable. Aluminum fittings and aluminum ferrules are included to eliminate fraying. Shoppers can pair cable kits with Lokar's bracket and return spring kits for a complete installation.

We installed a Lokar cable with a bracket and return spring kit on a 1968 Corvette equipped with a Holley Sniper EFI system. The factory cable and bracket didn't fit the Holley Sniper setup so we chose Lokar's 24" Stainless Housing Throttle Cable (PN TC-1000HT) and Holley Sniper Cable Mounting Bracket and Spring kit (PN TCB-40HS) to solve the problem.

The Lokar bracket and return spring kit is specifically designed to fit the Holley Sniper EFI throttle body. There's even an adjustment screw to perfectly align the cable housing with the throttle lever.

Lokar's two-part solution made getting the Corvette up and running a snap, and the custom cable setup looks great to boot.

Check out the following images and captions as we go through the process. Vette

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We used a washer to adapt the Corvette throttle pedal to the Lokar cable ball end. (The gas pedal is removed for photo purposes.)

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We installed the throttle cable bracket over the left rear throttle body mounting hole, dropped the included throttle bracket stop in place and loosely installed the throttle body mounting bolt.

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The Lokar bracket and return spring kit for Holley Sniper EFI throttle bodies is designed specifically to fit this application. It includes a bracket, concentric return springs and a throttle bracket stop.

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The bracket uses the throttle body flange's left rear bolt for mounting. No cutting, drilling or bending is required. Note the included throttle bracket stop uses an existing hole in the throttle body to make sure the bracket is aligned properly with the throttle lever.

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The included return springs attach directly to the bracket and the bottom of the throttle lever.

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We installed the return springs and adjusted the bracket alignment set screw until the bracket was perpendicular to the throttle lever and tightened down the jam nut.

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Next, we installed the throttle cable adjuster into the bracket. To leave us the most adjustment leeway, we made sure the bracket was in the center of the adjustment range.

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We then inserted the throttle cable housing into the firewall and routed it next to the adjuster. After making sure there was enough slack in the cable housing to accommodate engine movement, we wrapped the cable housing with tape and marked where the cable housing aligned with the internal cable housing stop inside the adjuster.

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After slipping the cable housing ferrule toward the firewall end of the cable housing, we cut the cable housing with a cutoff wheel and assembled the cable housing.

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With the cable housing cut to length, we installed the cable housing between the firewall and the cable adjuster. (Note the slack we included in the cable's length to accommodate engine movement.)

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The included ball stud attaches to the Holley Sniper's throttle lever.

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We tightened the ball stud with two wrenches.

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After threading the throttle cable through the housing and removing all the slack, we marked the end of the throttle cable where we planned to cut it to fit inside the cable end.

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With the cable cut, we slipped the cable end hardware over the cable, adjusted the cable end and secured it with the supplied set screw.

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After verifying that our new Lokar cable opened the Holley Sniper EFI throttle body fully, we started the engine and used the Holley Sniper EFI's handheld controller to make sure the Sniper EFI read wide open throttle and returned to idle properly.

 

Sources:

Hot Rods by Dean
(623) 581-1932
hotrodsbydean.com

Lokar Performance Products
(877) 469-7440
lokar.com

 

 

Photography by Brain Brennan

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