Datsun 2000 Cylinder Head from Rallye Enterprises, Ltd.

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The top three pictures have large versions accessible by clicking on the picture or on the "Bigger Pic" link.

DATSUN 2000 CYLINDER HEAD
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DATSUN 2000 HEAD
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DATSUN HEAD
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DATSUN SRL311 HEAD

11041-25601

USED 2000 CYLINDER HEAD #DU11-38
Lately I have been opening boxes of parts that have been unopened for decades. This head goes back to the late 70s. Back then we were rebuilding heads at a pretty fast clip and if something out of the ordinary came up we just went on to the next head and grabbed a replacement off our growing pile.

The note I left myself 35+ years ago said simply "may be cracked by valve seat???" I see some traces of what I assume to be testing die on he side of one seat. The area also looks a bit abnormal like maybe someone tried to fix it that didn't quite have the knowledge to do it. I don't know for sure if we set this aside for that or that it has 3 broken studs requiring removal. Time has been an expensive and fleeting commodity since about a year after we officially opened "Rallye" so the three studs by themselves would have set this head aside.

I have added areas on the enlarged picture of the applicable valve seat you can access by clicking on the link or that picture above.

A lot of knowledge and methods have advanced in the last 35 years in aluminum welding and head repair; so I figured before tossing this on the aluminum casting scrap pile I would put it on the website for awhile. At least I won't have to feel guilty if it meets that ugly fate...

Warpage top or bottom if any is .001-.002

Average thickness at front of head is 4.519"

Average thickness at rear of head is 4.525"

Average thickness of head is 4.522

One of the 8mm studs for the front inspection cover and two of the cam tower studs visible in one of the pictures are broken will have to be removed.

DATSUN U20 USED HEADS Info

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Datsun SRL311 Cylinder Head from Rallye