MotoIQ Tech

Building the Naturally Aspirated Honda K Engine Part 3, Assembling the Engine

By Mike Kojima

In the previous two installments of our engine build, you were able to take a look at the parts we will be using to build the bottom end and the cylinder head of our Ariel Atom. Notably, we went with a Dailey Engineering dry-sump system, since the Atom has a lot of aero-enhanced grip, and we want to avoid oil starvation.


 

MotoIQ Wrench Tip - How to Gap Piston Rings

by Mike Kojima

Setting the gap on your piston rings is an important step to building an engine that performs at its best.  Getting your piston rings to have the optimal seal is perhaps the most critical aspect of good engine building.  Of course you want to spend time assuring that your machine work and cylinder wall finish is correct for the type of rings used but a lot of people neglect blueprinting the ring gap.


 

Building the Naturally Aspirated Honda K Engine with Drag Cartel! Part 2

by Mike Kojima

In the last edition of building the naturally aspirated K24, we were showing some of the detail of building a solid dry sumped bottom end for an Ariel Atom track car with a lot of aero. In this edition, we will be getting rid of the K24 Z7's main performance bottleneck.​


Project 5.0 Mustang (The White One) Building the Bottom End

by Mike Kojima

In the last segment covering the engine build on our 5.0 liter Mustang, we addressed the top end with CNC ported heads and camshafts from Ford Motorsports. Now it's time to fortify the engine's bottom end so we can have a screaming high-revving naturally aspirated Coyote engine that is still reliable. 

Our target for this build is to have a safe 8000 rpm redline, wheel horsepower in the high 400 range and run on 91 octane California pump gas with reliability and track car endurance. We feel that this stuff is all pretty easily done.


 

Extreme Engine Tech: Building a BMW S52 – Part 1: The Short Block

by Nick Betz

There comes a time in a project build when you just have to throw everything out the window and rewrite your storyboard. Over the years we’ve been bolting on parts to Project E36 323is and not seeing the gains we were looking for. Sure it’s been fun but it’s time to make some real power. We had plans for an M50 manifold swap paired with M3 cams, bigger air meter, headers and throttle body but as the old adage goes, there’s no replacement for displacement, so that’s where our journey has taken us.


 

Building the Naturally Aspirated Honda K Engine!  Part 1

by Mike Kojima

The Honda K series of engines is one of our favorites and one of the top production inline 4 engines ever produced in our opinion.  Last year we built a turbo K24 Z7 for a giveaway by Motovicity.   With the turbo project being put to bed we got another opportunity to build a K motor in the form of a naturally aspirated K24 Z7.


 

Project G20 Race Car: Building a More Bulletproof SR20DE!

by Mike Kojima

The good old stock SR20DE in our Project G20 Racecar has been doing yeoman duty, reliably lasting for the last few years racing in the MotoIQ Pacific Tuner Car Championship and doing many for-fun track days.  The stock SR20DE in our Project G20 Racecar came from a Japanese engine importer and has never been opened up, other than to add big cams back when we used to run the car in N/A trim.  For the past three years the engine has been turbocharged which has greatly increased the strain it's experienced. 


 

Lessons in Turbo Technology with Garrett!  Lesson 1 - The Compressor Wheel

by Mike Kojima

Recently we were privileged to be able to take a look behind the walls of Garrett Turbochargers' research and development facilities.  We were able to get an insider view of the intensive engineering inside a Garrett Turbo and viewed first hand what differentiates it from your typical aftermarket fare.  We were very impressed by what we saw and we would like to share it with you by breaking some of what a World Class OEM supplier puts into the performance turbos any consumer can buy into easily digestible lessons that we will be presenting to you periodically. Perhaps the key part of any turbo is the compressor wheel.  Let's look at what Garrett does to bring you one of the best compressor wheels on the market. 


 

Fabricating Turbo Headers and Exhaust Systems with Eimer Engineering and Burns Stainless

by Mike Kojima

How do you make a good turbo system even better?  We did it by enlisting the help of Burns Stainless. Our subject car had a turbo LS engine.  Although the car made lots of power, it had issues with lag, a drop in top end power, a ton of weight in the nose that negatively impacted handling and a propensity to burn up everything under the hood.


 

Extreme Engine Tech, Building a High Boost 2JZ-GTE with Brian Crower and JE Pistons-Part 1

By Mike Kojima

Building a 2JZ-GTE is not new on the pages of MotoIQ.  Pablo Mazlumian documented the building of a pretty healthy 2JZ in his Project Supra chronicles over the past couple years. We like the 2JZ powerplant.  It is a strong, robust powerplant capable of sustaining well over 1000 hp and has been competition proven in everything from time attack to drifting.  It is still quite a viable engine 23 years after it was introduced.


 

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