Chevelle Technical Features

Why Don’t They Make That Part?

One of the most common questions in classic Chevy car circles is: “Why don’t they make this part for my car?” As a supplier and manufacturer to the aftermarket for many years, we will attempt to answer this question and shed some light on manufacturing parts for the aftermarket and classic car market.

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Cut To Fit Plug Wires

Making cut-to-fit spark plug wires

Time: Approximately 2 hours

Tools: wire cutters, crimping pliers, razor blade, Sharpie marker

What you’ll need: set of quality spark plug wires (boots and terminals included), white dielectric grease, wire socks (recommended), wire looms

Tip: When cutting and installing a new set of wires, mark each end at the boots with its designated cylinder number. This will serve as a great quick reference in the future.

Here’s what you’ll net: more reliable spark delivery to the plugs and a cleaner looking engine compartment: set of quality spark plug wires (boots and terminals included), white dielectric grease, wire socks (recommended), wire looms.

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Carburetor: Quick-Change Vacuum Springs

arburetor: Quick-Change Vacuum Springs

Time: approximately 30 minutes

Tools: small Phillips screwdriver

Here’s what you’ll need: Holley quick-change spring housing, vacuum secondary spring kit

Tip: During the test and tune process, keep track of which springs help or hinder your carburetor’s performance. They make it easy by color-coding the top of each spring.


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Installing Valve Cover Gaskets and Studs

nstalling Valve Cover Gaskets and Studs

Time: approximately 1 hour

Tools: a pair of 3/8” boxed wrenches, putty knife, deep-sockets and socket wrench

Tinware: valve cover gaskets, gasket placement glue, valve cover studs,

Tip: When replacing your valve cover gaskets, it’s a good time to think about other similar upgrades such as valve covers, breathers, or plug wire retainers.

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Timing Chain Removal and Replacement


Tools: standard socket set, standard wrenches, crankshaft socket, breaker bar

Tinware: new timing chain, new timing cover (optional), timing cover gasket, gasket sealer, oil pan gasket (optional)

Tip: Before getting started, check out the clearance between the oil pan and the crossmember to see if there’s enough room to remove the pan.

Performance gains: A new timing chain and sprockets will deliver consistent performance and reliability.

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Drum Brake Rebuild

Time: 3 hours approximately (per pair)

Tools: lug-wrench, flat-blade screwdriver, rubber mallet, needle-nose pliers, various specialty brake tools (recommended)

Cost: rebuild kits approximately $250 for 4 wheel drum brakes

Tinware: brake shoes, drum brake hardware kit, other items may be necessary depending on the condition of your existing parts

Tip: When rebuilding your brakes, only disassemble one side at a time. The other side will serve as an accurate point of reference when putting all of the pieces back together.

Performance gains: Better brakes! Periodically replacing your shoes and rebuilding the brake assemblies will drastically increase your chances of ever seeing old age.

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Crankshaft & Bearing Removal

Time: 2 hours

Tools: standard socket set, crankshaft socket, breaker bar, feeler gauge

Cost: approximately $50 for bearings and supplies

Tinware: quality set of replacement main bearings, Plastigage

Tip: If you plan to remove the crankshaft while leaving the rod and piston assemblies in the bores, attach a rubber band to a bolt on each rod and to a reinstalled oil pan bolt. This will keep the rods off to the side and from banging into the block when pulling the crank out.

Performance gains: a stronger, longer-lasting bottom end

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Bodywork: Filling And Sanding

Bodywork: Filling And Sanding

Time: varies depending on the size and extent of the damaged area or area that needs modification

Tools: block sander, grinder, air compressor (recommended) ball peen hammer (optional)

Cost: supplies typically run about $100 for filler, sandpaper, and miscellaneous items listed in “Tinware”

Tinware: filler and hardener, sandpaper (36, 80, 150, 240, 320 and 400 grits), grinding discs, towels, mixing sticks, primer/sealer, dust mask, masking tape and paper

Tip: Always wear a ventilated dust mask or respirator when performing bodywork. The airborne debris and toxic chemicals found in many products are extremely hazardous to your health.

Performance gains: Bodywork is all about looking good, and there’s nothing wrong with that. Adding bodywork to your set of skills is huge, and can save you thousands of dollars over time.

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