K series Head selection question - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 10-12-2019, 02:42 PM   #1
AJ73
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Default K series Head selection question

Hi- I am very new to Honda engines, and I have been searching the forums but havent found the answer to the question that I have.

I am about to build a methanol burning midget engine (dirt oval). Rules allow 2.4L, can run any honda head, but no port work, NO VTEC, ITB's, EFI is allowed, any other modification is open. My question is, what is the optimal head for this application? I see some people say this head flows better than that head, etc. but I don't see any definitive answer. Based on what I've read, I think the K24A1 block head would be just fine for my application. But I would like to know if there is any hard data out there for stock head flows. Thanks!
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Old 10-14-2019, 06:27 AM   #2
Scider
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Default Re: K series Head selection question



Courtesy of 4Piston: https://www.8thcivic.com/threads/fd2....276558/page-2
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Old 10-14-2019, 09:23 PM   #3
LotusElise
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Default Re: K series Head selection question

Quote:
Originally Posted by AJ73 View Post
...My question is, what is the optimal head for this application?
I was building a engine for an similar application. So to say, non of the stock K-series heads are optimal for such an application. But as Scider has shown in the graphics of 4Piston (intake flow flux over valve lift) there are some to be prefer.

Some questions:
  • Are you allowed to recut the valve seat or renew valve seat and valves?
  • Are you allowed to design your own IM and header?
  • Do you have any idea of the necessary revving band where an aimed torque should be there?
For me the torque bandwidth and height design is the key to success here. Gear-ratios, amount of gears and tyre slip are one of the factors creating the demand for the required bandwidth of the torque. The head plays a role in that game, but once you are going to use an K20 (RBC or RSP) head everything else gets of higher importance. Fuel and CR are the next design parameters around the most important: IM and H.

We have a similar Autocross series here in Europe, the allowed electronics just makes it a bit easier to create the right bandwidth and height of the torque. The lack of VTC makes the cam choice to an rolling test parameter...track depended.

Head is the most easiest decision...
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Old 10-16-2019, 12:48 AM   #4
sofiya567
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Default Re: K series Head selection question

जैसे की हम जानते है हर दिन हमारे प्रधानमंत्री श्री नरेन्द्र मोदी देश के युवाधन की तरक्की के लिए कुछ नया लाते है| इस बार उन्होंने Pradhan Mantri Kaushal Vikas Yojana को प्रस्तुत किया है| हम पहेले आपको बता दे की कौशल विकास योजना Online Register नहीं करवा सकते|

Kaushal Vikas Yojana
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