Car parts

What the LT1 TPS does, symptoms of a failing one, whether it can be adjusted, and what is and is not known about its mounting screw size and torque.

How factory remote start works on a 2014 F-150, which fob types exist, how to match one by its label, how Ford says to program a spare, and what to check on a used fob.

Audi-fitment BBS wheels use a 5x112 pattern; an E39 is 5x120. What adapters, hub bores and offsets mean, and the safety checks before you try it.

What the C4 Corvette's rear toe rod (toe link) does, how it differs from the strut rod, signs of wear, 1984-1991 versus 1992-1996 designs, and the replacement options.

The C5 Corvette's lower front bumper has several black plastic pieces. How to tell the outer valance from the center deflector, why they break, and replacement options.

How to fit newer OEM 20-inch black wheels to an older F-150: the shared hub specs, offsets to verify, and how to find out which TPMS sensor frequency your truck needs.

Reported specs for the 2024-on Tacoma TRD Pro wheel and tyre package, where owner and vendor figures disagree, TPMS sensors, and checks before buying take-offs.

Kline Innovation's 991.1 and 991.2 Turbo exhausts: materials, catalyst and silencer options, emissions and noise considerations, and what to check on a used system.

What tuning an M272 or M276 E350 can and cannot deliver, what owners and tuners say, the weak points to know, and why turbo kits and power-chip claims need scepticism.

Factory 19-inch staggered sizes for the W212 E-Class, the 5x112 hub details, what owners report about aftermarket offsets, and the rubbing and Airmatic pitfalls.

The rear fender trim on 1973-1987 GM crew cab dually trucks is scarce. What the piece is, how to identify what your truck needs, and realistic options.

How Tokico's fixed-rate Blue and five-position Illumina struts differ, what Protege5 owners report about ride, lowering springs and durability, and what to check.