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Honda Info and DIYs

The Correct Distributor Cap For the B18C1 (GSR) TD-68U / TD-84U

The TD-68U and TD-84U distributors found in OBD1 and OBD2 94-01 Integra GSRs are different in size than other B-Series distributors and require a special distributor cap. I’m currently building a B20V with a GSR head and had a lot of trouble sourcing the correct distributor cap because of this. There’s several aftermarket brands out there that claim to fit but the only cap that I’ve found to actually work is the OEM Honda 30102-P72-006 cap. Read more...

How to Build a B20 VTEC Part 8: Torquing Down the Head and Installing the Cams

The block’s finally ready for the head to be torqued down and finished up now that all the clearances (v2v, p2v) checked out. Read more...

How to Build a B20 VTEC Part 7: V2V Clearance, Degreeing the Cams, and P2V Clearance

Building a custom engine is basically 80% measuring and double checking things. Every time you think your done measuring there’s another thing you need to check. I’ve got my GSR head and B20 block ready to go but they can’t be bolted together until I double check my valve to valve clearance, and piston to valve clearance. Read more...

How to Build a B20 VTEC Part 6: Head Prep

Let’s shift focus to the head now that the block’s ready to go. Like mentioned earlier, I’m using a GSR head and it’s fully stock but has had some work done to it by the previous owner including milling it flat. Read more...

How to Build a B20 VTEC Part 5: Bottom End Assembly

Enough measuring for now, it’s time to do some assembly and get the crank, pistons, and rods installed. Overall assembly of the bottom end isn’t super complicated, but it’s important to be careful while assembling everything. Read more...

B16 / B18C1 / B18C5 Torque Specs

The ultimate list of torque specs for VTEC B-series engines (B16, B18C1, B18C5, B18C, etc...) Read more...

How to Build a B20 VTEC Part 4: Piston to Wall Clearance and Ring Gaps

With the bearing clearances dialed in, all that’s left to prep for installing the crank, pistons, and rods in the block is double checking the piston to wall clearance and setting the ring gaps. Read more...

How to Build a B20 VTEC Part 3: Measuring Bearing Clearances

Measuring bearing clearances isn’t what I’d call the most exciting step when it comes to building an engine but it’s an important one that can catch issues that will dramatically shorten your engine’s life. Simply put, bearing clearance is how much space exists between your crank journals and the main / rod bearings. Read more...

Spring Rate Converter

Easily convert spring rates from lb/in to kg/mm or vice versa Read more...

B-Series Gear Calculator

Helpful calculator for comparing different b-series transmissions. Allows for custom gear ratios, and tire sizes. Read more...