4 Piston Racing USAC Midget Honda Engine

We were recently in Danville, IN to visit 4 Piston Racing, a premier performance Honda engine shop, and co-owner Luke Wilson. During our visit, we got to see a ton of cool things in various stages of completion, but one of the standout builds was this naturally aspirated USAC Midget Honda engine that had just come off the dyno. We spoke to Luke to get the full details for our Engine of the Week, brought to you by ‪@penngrade1motoroil830‬, ‪@elringdasoriginal‬and NPW Companies.
#engines #enginebuild #enginebuilding #horsepower #performance #racing #honda #crv #4cylinder #indiana #engineoftheweek #enginebuildermag
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[@stewarth8390]

Remove the background music because the audio is already very sketchy. Awesome little engine though 👌

[@yt650]

The audio is an echo.

[@piersclarkson9712]

Really cool looking engine.... Audio really detracted .....😢

[@EngineBuilder]

Sorry, we were without a microphone on this particular video, which is a bummer!

[@codyramos3200]

154ci . K24 alu. Block & Head 90mm bore +3mm over bore from Oem 87mm bore Stock 99mm stroke using oem crank . 9600rpm . Little over 400hp . No variable cam timing . Mechanical injection ITB setup Engine weight under 300lbs Its insane how things have changed since i was into hondas 16 years ago..prices on K series engines have come down while B series vtec engines have more than doubled in price. .. wish i didnt sell off everything i had years ago..

[@durwardmedlin810]

Too hard to follow with the audio not right

[@riggsyb]

9600rpm with a 99mm stroke!!! That’s well over 30m/s peak mean piston speed! 🤯

[@oldschoolmotorsickle]

Wish I could have heard the man, he obviously built a great engine.

[@derJackistweg]

You need a mic!

[@EngineBuilder]

agreed, and we normally do, but in this instance our regular gear wasn't available.

[@stevewesley8187]

Can't understand most of what they're saying

[@EngineBuilder]

Sorry, we didn't have a mic for this video.

[@shanerorko8076]

​@@EngineBuilderwell cut the music so we can turn it up.

[@bkiserx7]

Yes, awful audio and would've been nice to hear it run

[@EngineBuilder]

Unfortunately, the engine was not run ready and it was off the dyno at the time. We can't always control that kind of thing, and getting an engine on the dyno can take some time. Sorry about the audio!

[@boomersuperbike3787]

So what's the hp on this engine?

[@EngineBuilder]

Around 400 hp

[@OMNICHROMATICA]

I wanted to hear the motor go

[@blackrifle6736]

*Would have been a great opener.*

[@shawnwalsh5430]

Why people have to have music playing during a video is beyond me!

[@jamespugh]

Honda power their

[@-PLAYER0NE-]

Heeeeh?? 👂

[@chuckflitton5293]

sound is horrible

[@harleycoleman5199]

I would invest in some kinda microphones or something. It's not that I can't really make out what you're saying it's that turning up the volume it actually hurts my ears to listen to this. I stopped watching like a minute in ...🤷

[@EngineBuilder]

Apologies for the audio on this one. We recorded this via iPhone and no mics. We normally have professional gear on hand, but weren't able to utilize it for this particular one.