A living shop manual for gearheads and novices alike. $10 à la carte if you only want tips — or included in the $12.99 full Car Syndicate® membership.
Unlock tipsTheo Brandt · 2 months ago
A vintage body on a modern chassis will outrun its original brakes before it outruns its engine. Set front bias first with a proportioning valve you can actually reach. Then pick a pad that likes street temperatures. Then, and only then, talk about heroics. If the rear locks on a cold Oregon morning, you do not have a handling problem — you have a bias problem.
Miles Harlan · 3 months ago
If the car lives on the street, cold starts matter. A traditional Holley is theater and it is honest. A hidden EFI conversion is manners. Plenty of syndicate builds run a classic air cleaner over a modern throttle body. Keep the look. Lose the flood-out. The Tech Tip page is for both camps, not a conversion sermon.
Wes Calder · 3 months ago
Pacific spray plus twenty minutes of WOT is a chain-stretch recipe. Wipe it, lube the rollers not the side plates, and set slack to the book — not to a forum. If you can see orange in the links, you already waited too long. Cafe racers and vintage British twins are even less forgiving.
Cole Voss · 8 months ago
A 454 that overheats on I-205 is not a character-building exercise. Fit an electric fan that actually fits the shroud. Recalculate gear ratio for highway RPM. Give the ignition a modern spark without erasing the engine bay. Upgrade brakes before horsepower. And flush the cooling system like you mean it. That is the Car Syndicate version of a performance plan — the same spirit as our 2024 tech letter, updated for the cars people actually daily.
Lila Cho · 3 months ago
Antique cars die in a studio. They live on grass, brick, and wet pavement. Shoot three-quarter front in the first hour of light. Let whitewalls go slightly overexposed. Do not remove every reflection — chrome is supposed to carry the sky. The antique group uses this recipe every slow-roll.
Hank Delacroix · 2 months ago
If the shackles point forward at the bottom, the springs are tired. Add-a-leaf packs lift the bed and beat the mounts. Replace the pack, or add one leaf of the same arch, and check the hangers for egg-shaped holes. A truck that sits level empty will still squat with a load if the springs were already past their rate.
Hank Delacroix · 2 months ago
Test each glow plug for resistance before you buy one. They fail in clusters. A relay that clicks is not proof the plugs are getting power — check voltage at the bus with the key on. Replace the set, the relay if it is hot to the touch after a start, and do not keep cranking a cold diesel that will not light. You will wash the cylinders down.
Jax Moreau · 3 months ago
Spray-in liner and a rubber mat both hide the seam where the wheel house meets the bed floor. Probe that seam with a pick. If it goes through, the front bed mounts are next. Patch the wells before you paint the floor. A new bed floor on rotten mounts is a drum.
Hank Delacroix · 3 months ago
Once a month, lock the hubs in the driveway and roll a few feet in 4-high. If a hub grinds or freewheels, the clutch inside is dry or the snap ring is out. Do this before a trip, not at the trailhead in the rain. Auto hubs that never get used seize the same way.
Jax Moreau · 4 months ago
On a empty road at 25 mph, turn the gain up until the trailer tires chirp, then back it off a notch. Recheck when the trailer is loaded. Too little gain pushes the truck. Too much gain flat-spots the trailer tires and makes the hitch surge. Electric brakes also need a charged breakaway battery. Open the box and look.
Cole Voss · 4 months ago
Have a helper rock the wheel while you watch the pitman arm. Play at the rag joint is a cheap fix. Play inside the box is an adjustment or a rebuild, not a front-end alignment. Aligning a loose box just wears the new tires in a new pattern. Trucks with big tires show this first.
Andi Reyes · 3 months ago
A British or Harley twin that ticks is not charming if the gap is closing. Set the clearances to the book with the engine cold, both valves closed. Recheck after the first heat cycle on a fresh top end. Tight valves burn. Loose valves are only noise. If the gap changes every ride, the seats are moving and the head needs a look.
Wes Calder · 3 months ago
A film of oil on a fork tube after a long ride can be a dusty seal, not a dead one. Wipe it, ride, and look again. If it runs down to the slider, change both seals and the dust wipers, and inspect the tubes for pits. One new seal on a pitted tube lasts a week. Replace the oil at the same time and use the weight the damper was built for.
Wes Calder · 3 months ago
The last four digits of the DOT code are the week and year. A tire with deep tread and a date from 2018 is done. Rubber hardens, and a bike tire that slides on a cold morning is often age, not pressure. Replace in pairs on the same axle, and do not mount a new tire on a bent rim. The hop will eat the center.
Andi Reyes · 4 months ago
Set slack to the book with the bike on its wheels, not on a stand that unloads the swingarm. Then sight the chain from behind. If the rear wheel is cocked, the slack reading is a lie and the sprocket teeth will hook. Lube the rollers, wipe the side plates, and replace chain and both sprockets together.
Andi Reyes · 4 months ago
On an Amal or a Mikuni slide carb, shine a light at the slide bore. An oval mouth lets the slide rattle and the mixture wander. A new slide in a worn body still leaks. Bore it and sleeve it, or replace the body. Then set the idle with the air screw, not by hanging the throttle cable. Cables stretch. Slides do not heal.
Nora Ellison · 3 months ago
A battery that dies every week is usually the charging system, not the battery you just bought. Measure at the posts with the engine at 3,000 rpm and the headlight on. Under 13 volts, check the regulator plug for melted pins before you condemn the stator. Over 15 volts boils the battery. Clean the ground to the frame. Paint is not a ground.
Cole Voss · 3 months ago
A gauge that pegs on a cold start and falls to 10 psi at a hot idle is telling the truth. Know the book's hot-idle number before you panic. A clogged pickup or thin oil shows up here, not at 3,000 rpm. If pressure drops when the oil is hot and rises when you blip the throttle, the pump is keeping up and the clearances are the question. Do not keep driving a muscle car that shows zero.
Theo Brandt · 3 months ago
Use the mix the radiator and the heads were built for, usually 50/50, and distilled water if you are mixing it. Old green coolant in an aluminum head turns to mud. Flush until it runs clear, then fill and burp the system with the front of the car up. A heater hose that stays cold means you still have air. Electric fans do not fix a system that is full of air.
Cole Voss · 4 months ago
Brake fluid absorbs water. The pedal still feels hard in the driveway and goes long the first time the rotors are actually hot. Flush from the farthest wheel to the closest, and do not let the master run dry. Silicone fluid does not mix with the old glycol. If you do not know what is in the car, stay with glycol and flush until the color is new.
Theo Brandt · 4 months ago
A clutch-type differential needs the friction modifier the maker calls for. Gear oil alone makes it groan on tight turns. Add the modifier, drive a figure-eight, and listen again. If it still bangs, the clutches are worn. A spool or a welded diff will never be quiet, and no bottle fixes that. Read the tag on the housing before you pour.
Hank Delacroix · 5 months ago
Alloy wheels relax after the first heat cycle. Check the torque at the book's number, in a star pattern, with the car on the ground. A clicking gun over the spec stretches studs and warps rotors. On a truck with hub-piloted wheels, the studs clamp the wheel to the hub. The cone nuts on an older car center the wheel. Do not mix the two.
Miles Harlan · 3 months ago
Glass and poorly bonded cages do not carry current. Run a ground strap from the engine to the frame and from the frame to the battery, and ground each lamp to a stud, not to a painted panel. A voltage drop test from battery negative to the engine, with the headlights on, should be a few tenths at most. More than that is a heat source.
Rhea Okada · 4 months ago
Use the notches or the reinforced pads, and a rubber block. The pretty rocker is a skin over a thinner structure. Jacking mid-floor oil-cans the pan and tweaks the door gaps. On a project car, look for previous jack damage before you buy it. Wavy rockers and a door that needs a lift to latch are the same story.
Miles Harlan · 5 months ago
Set the timing to the book's initial number with the vacuum advance disconnected and the port plugged. Then read total timing. If the engine pings, it is not automatically a jet problem. Check for a cracked vacuum line and a stuck advance. Only then change jets, one step at a time, and write down what you removed. A Holley that was fine last fall can be late this spring because the weights stuck.
