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Re: Crumbs 2.4L coupe
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Nice grunter

Posted on: 2014/3/2 11:08
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Re: Crumbs 2.4L coupe
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The engine definitely an L20B with a modified z24 crank and z24 pistons, giving it a 96mm stroke and 89mm bore. The head is a u67 which has been ported with oversized valves and the chambers been relieved. It's compression ratio is 10.5-1. Running a 74 high lift cam, advanced to bring on the power a bit sooner.

Posted on: 2014/3/2 11:02
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Re: Crumbs 2.4L coupe
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Posted on: 2014/3/2 8:29

Edited by crumb on 2015/1/22 12:18:17
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Re: Crumbs 2.4L coupe
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Posted on: 2014/3/2 6:59

Edited by crumb on 2015/1/22 12:17:47
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Re: Crumbs 2.4L coupe
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NAPS is a Japan design. Used in Japan first then later in other countries.

Posted on: 2014/3/2 6:38
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Re: Crumbs 2.4L coupe
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Does NAPS stand for northern american piece of sxxx lol

Posted on: 2014/3/2 6:23
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Re: Crumbs 2.4L coupe
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Ah, so it an L20B that's been bored & stroked. Not an LZ hybrid (Z-series block with L-series head, or L-series block with Z-series head).

NAPS-Z is what some people call the Z-series engines, because some of the valve covers say "NAPS-Z". But technically NAPS-Z refers to the emission control system. There is also a NAPS-A.

Posted on: 2014/3/2 5:55
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Re: Crumbs 2.4L coupe
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Everyone needs pic of shame lol

Attach file:



jpg  IMG_1533.jpg (133.47 KB)
277_5312bf8ba50e4.jpg 1024X768 px

Posted on: 2014/3/2 5:20
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Re: Crumbs 2.4L coupe
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Posted on: 2014/3/2 3:43

Edited by crumb on 2015/1/22 12:21:13
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Re: Crumbs 2.4L coupe
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Its a l20 block dd. Early one from what I saw.

Posted on: 2014/3/2 3:08
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