Knowledge Base
Searchable, per-topic automotive answers extracted from build dialogue
Knowledge base results
What torque should I use on the driveshaft flange bolts?
Torque specs vary by bolt size and grade. Use the torque value supplied by the driveshaft manufacturer or typical flange bolt specs for classic Mustangs (consult factory manual). If unsure, use a…
How do I set up the suspension for my weight?
Adjust the preload or suspension setting on the seat per the seat manufacturer's instructions until the ride feels comfortable. The video demonstrates making small adjustments and testing by sitting…
How important is degreeing the cam?
Degreeing the cam is critical for performance builds and any time the timing set, pistons, or cam were changed; it ensures the cam events occur where expected and can prevent piston-valve…
What torque sequence and values should I use for SBC heads?
Follow the head gasket and fastener manufacturer's torque sequence and specs. A common approach is incremental torquing (e.g., 30-50-70 ft-lb depending on bolt type) in a spiral pattern from center…
How do I set lifter preload or hydraulic lash?
For hydraulic rollers, preload is typically set by tightening the rocker arm to recommended torque with the lifter on the base circle, then turning the pushrod/nut to achieve the specified preload…
What should I do to prepare the engine for first start and break-in?
Prime the oiling system, use recommended assembly lube on cam lobes and lifters, verify all connections and clearances, and follow a proper break-in procedure (controlled RPMs, avoiding heavy loads,…
How do I prevent warping when welding thin sheet metal?
Use short tack or stitch welds spaced apart, allow cooling between welds, grind minimal material, and clamp panels from the underside. Back-purging and using proper heat settings help reduce…
What wheel/tire sizes can this modification accommodate?
Clearance depends on how much material is removed and how the well is formed. Mock up the wheel and suspension travel during fitting to ensure the intended wheel/tire combo clears under full droop…
What safety steps should I take before starting?
Always disconnect the negative battery terminal before working on the dash to avoid shorts and accidental starts. Label wires and take photos before disconnecting anything so reassembly is…
How should I protect and organize the new wiring?
Use proper gauged wire, route wiring away from heat and moving parts, bundle runs with split loom or heat-shrinked wraps, and secure with zip ties and brackets. Labeling each circuit at both ends…
What torque should I use on the crankshaft bolt?
Torque specifications vary by crank bolt and application; follow the manufacturer or parts supplier spec for your SBC 350 crank bolt (many aftermarket bolts require a torque plus an angle). If…
How do you test an oil pump on the bench?
Mount the oil pump securely, attach the pickup into an oil reservoir, and drive the pump gear with a drill or suitable driver. Verify oil is drawn up the pickup and flows out of the pump outlet to…
What is the acceptable rod bearing clearance for a Small Block Chevy 350?
Typical rod bearing oil clearance for a SBC 350 is generally in the range of about 0.0015" to 0.003"; exact target depends on bearing spec and application. Always consult the bearing manufacturer or…
How accurate is Plastigage for measuring bearing clearance?
Plastigage is accurate enough for quick checks and verification during assembly; it gives a reliable ballpark measurement. For precision work or final verification, use micrometers and bore/dial…
What causes a rod bearing clearance to be too tight?
Common causes include incorrect bearing thickness or size installed, excessive bearing crush from misaligned caps, undersized rod bores, or journals that are oversized due to prior…
How do I know if the PCV grommet is bad?
Look for oil seepage around the grommet, cracked or flattened rubber, and listen/observe for idle changes when applying a spray test around the area. Physical inspection and replacement are common…
How much extra tire/wheel clearance can I expect?
Clearance gained depends on how much factory metal you remove and how the tubs are shaped. Typical gains are several inches of tire width or diameter, but you should mock-fit with the actual…
How difficult is this for someone with limited metalworking experience?
This project ranges from intermediate to advanced because it requires accurate cutting, metal shaping, and welding. Beginners can participate in prep, fitting, and sealing steps, but welding and…
Can I keep the original radio and still add Bluetooth?
If you want to retain the original radio for appearance, options include installing a Bluetooth module behind the dash that feeds the factory radio or doing a more complex retrofit to conceal a…
Can I use silicone sealant instead of weatherstrip adhesive?
Silicone is not recommended for bonding weatherstrip long-term because it doesn’t provide the same flexible bond and can interfere with future replacements. Use a dedicated weatherstrip adhesive…
How do I know if the leak is caused by the seal or door alignment?
Perform a water test and observe where water enters. If the seal is intact but water passes through a gap between door and body, alignment or a bent striker/hinge is likely the issue. Visible damage,…
How long does a replacement door seal last?
A quality OEM or aftermarket seal properly installed and cared for can last many years (5–10+), depending on climate and exposure. UV, road chemicals, and repeated door impacts shorten life; periodic…
What if new weatherstrip still leaks at the corners?
Corners are common trouble spots. Ensure the seal is properly trimmed and seated, use heat to form corners if needed, and apply adhesive liberally at corner transitions. If leaks persist, check for…
What torque should I use for the coil mounting bolt?
Always follow the factory torque specification when available. If you don't have the spec, snug the bolt without over-torquing — typically a low torque value (single-digit ft-lb or around 7–10 Nm) is…
How much wheel/tire clearance should I leave when shaping the fender well?
Leave at least 10–12 mm (around 3/8" to 1/2") of static clearance between the tire and the inner lip with suspension at full droop; more is safer if you expect suspension travel or aggressive…
How long does a project like this typically take?
For someone with metalworking and welding experience, expect a full weekend (12–20 hours) from measurement through fitting, welding, and sealing. Novices will take longer, especially during shaping…
Can I tap the reverse light power instead of running a dedicated trigger wire?
Yes — tapping the reverse light is a common method to trigger a backup camera. Use a proper splice (solder or quality butt connector) or an add-a-circuit and ensure the connection is insulated and…
What size fuse should I use for the amp power wire?
Choose the fuse size based on the amp's recommended fuse rating and the wire gauge. A 4 AWG wire is commonly protected with a 100A fuse for many aftermarket amps, but always match the fuse to the…
How do I route wires through the tailgate hinge without chafing?
Use the factory rubber grommet/boot or install a dedicated rubber pass-through grommet. Route wires so they have slack through the hinge movement and secure them with zip ties to prevent rubbing…
What causes oil to fill the spark plug wells?
On this engine the most common cause is leaking spark plug tube seals and/or valve cover gasket failure that lets oil seep into the wells. A failed PCV or other localized leak is less likely than…
Can I drive the car if the plugs are covered in oil?
You can drive short distances, but driving with oil-fouled plugs risks misfires, rough running, and catalytic converter damage. It's best to diagnose and fix the leak and replace contaminated plugs…
How often should I clean the fuel injectors?
For most vehicles, injector cleaning every 30,000–60,000 miles or when you experience symptoms (rough idle, hesitation, poor fuel economy) is common. Follow manufacturer recommendations and inspect…
Can I use a pour-in fuel additive instead of an inline cleaning kit?
Pour-in additives can help with light deposits and maintenance but are generally less effective than an inline pressurized cleaning for significant carbon buildup, especially on direct-injection or…
What welding technique is recommended?
Stitch or plug welds are common to control heat distortion. Tack weld frequently, allow cooling, and grind/tidy welds between passes. Use an appropriately sized MIG wire and settings for thin sheet…
How do I know if my rod clearances are too tight or too loose?
Measure crank journal and rod bore diameters with a micrometer/dial bore gauge and use Plastigage during mock assembly to read bearing oil clearance; compare readings to Small Block Chevy 350 spec…
Can I file or grind my rods myself to correct interference?
Minor cleanup of rod edges may be acceptable for slight interference, but any work that changes bearing bores or critical dimensions should be done by a machine shop. Improper grinding can ruin the…
What causes repeated rod clearance problems on a SBC 350?
Causes include mismatched rod and crank journal sizes, incorrect bearing selection, out-of-spec rods or crank journals, bent or worn rods, or incorrect machining tolerances from previous work.…
Can I use a cutting tap instead of a thread chaser?
A dedicated thread chaser is preferred because it cleans and reforms threads without removing significant material; a cutting tap can remove metal and potentially damage or change thread fit in cast…
How do I know if a bolt hole is too damaged to chase?
If threads are stripped, heavily corroded, cracked, or a chaser won't restore full engagement, the hole may require helicoils/coil inserts, oversized fasteners, or professional repair. Inspect…
What torque should I use on the blade bolt?
Torque varies by model; if the exact spec isn't available, tighten securely (commonly 35-60 ft-lb for many push mowers) and use a new locking washer or bolt if original shows wear. Consult the mower…
What torque spec and sequence should I use for an SBC 350 intake manifold?
Follow the intake manufacturer's spec if available; common practice is to torque in multiple stages from the center outward using the OEM sequence. Exact ft-lb values vary by manifold/gasket—consult…
What clearance issues are common on SBC intake installs?
Common nuisances include pushrod/interference with manifold bosses, bolt/stud length conflicts, valley cover fitment, and carb linkage clearance. Dry-fitting the manifold first helps identify these…
How do I know if my Small Block Chevy uses a mechanical or electric fuel pump?
Classic Small Block Chevy engines (carbureted) typically use a mechanical fuel pump mounted to the block driven by the camshaft. EFI conversions or modern setups may use an electric pump; inspect the…
What torque should I use on the fuel pump mounting bolts?
Fuel pump mounting bolts are generally torqued to a low value to avoid distortion—typically around 10–20 ft-lbs. Consult the pump or engine manual for the exact spec; if unknown, tighten snugly and…
What should I check if the pump doesn't flow fuel after installation?
Verify the pushrod is contacting the pump lever correctly, ensure valves inside the pump are not stuck, check for blocked fuel lines or filter, confirm proper gasket/seal, and ensure there is fuel in…
How do I test for leaks safely after installation?
Wipe all connections dry, then crank the engine briefly or prime the system while observing the pump and hose connections. Use a drip pan and rags, and have a fire extinguisher handy. If you see…
What are the safest lifting points on a Small Block Chevy 350?
Use the bellhousing or transmission-side threaded holes when available, an engine lifting plate that uses intake manifold or head bolts, or grade-rated eye bolts installed into known strong points.…
Can I lift the engine with the transmission attached?
You can lift with the transmission attached only if the hoist, chains, and vehicle supports are rated and if you support the transmission properly. Most DIYers separate the transmission first to make…
How do I avoid cracking the oil pan while lifting?
Ensure the engine is lifted from proper points and kept level enough that the oil pan doesn't hit subframe or crossmember. Use a load leveler to adjust tilt and have helpers watch clearance as you…
What should I do if the engine binds while lifting?
Lower back down, re-check all connections, remove any remaining fasteners or brackets, adjust the load leveler angle, and have someone guide the engine while you make small, controlled lifts. Never…
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