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Dial indicator measuring LS1 piston-to-deck clearance with the piston at top dead center

LS1 Piston-to-Deck Clearance: How to Measure and Calculate It

LS1 piston-to-deck clearance is determined by **crankshaft stroke, connecting-rod length, piston compression distance, and block geometry**. Learn how these dimensions affect piston position at TDC and how to measure deck clearance during an LS1 build.

How To Swap a B Series

Learning how to swap a B series into anything isn't as hard as you might think, and our guide to DIY Honda engine swapping...

Honda ECU Master List

Whether you are planning a Honda engine swap or planning a turbo VTEC build, you need to pick the right Honda ECU. If you...
2027 Honda Civic Type R HRC concept showing aggressive race-inspired aerodynamics and HRC performance upgrades.

2027 Honda Civic Type R HRC Could Be Much More Than an Aero Package

The Honda Civic Type R HRC may be shaping up to become the most serious factory-built FL5 yet, and if the latest...

FAQ : How to Determine Injector Size

Determining what size fuel injectors you need for your project car is a common question we are asked here at Pro Street. No matter...

What is Engine Knock

Engine knock is also known as pre-ignition or detonation. There's several common reasons what cause knock in your engine. When your engine is running,...
Close-up of LS1 aluminum engine block showing cylinder head alignment dowel sleeves installed in the front and rear block deck counterbores.

LS1 Cylinder Head Alignment Dowels: Location, Installation, and Why They Matter

LS1 cylinder head alignment dowels locate the heads accurately on the block before the fasteners are tightened. Learn where all four dowels install, how to seat them and why damaged or missing sleeves should never be ignored.
2002–2003 Acura RSX driver power window reset showing the AUTO window relearn sequence after a battery disconnect.

Why Did My Acura RSX AUTO Window Stop Working After Disconnecting the Battery?

If your Acura RSX driver's AUTO window quits after battery or electrical work, Honda specifies a simple control-unit reset before further diagnosis.