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New Aluminum head pictures.

Posted By shadowman 14 Years Ago
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shadowman
Posted 14 Years Ago
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Hitting on all eight cylinders

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Here are a few more pics of the new aluminum Y-block heads.
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Geoff's pictures 182.jpg (563 views, 82.00 KB)
Geoff's pictures 192.jpg (529 views, 76.00 KB)
Geoff's pictures 188.jpg (470 views, 80.00 KB)
shadowman
Posted 14 Years Ago
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Hitting on all eight cylinders

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A few more.
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Geoff's pictures 184.jpg (464 views, 96.00 KB)
Geoff's pictures 181.jpg (462 views, 81.00 KB)
Geoff's pictures 191.jpg (468 views, 68.00 KB)
feadam
Posted 14 Years Ago
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Hitting on all eight cylinders

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do these heads have the manifold heat passage in them
aussiebill
Posted 14 Years Ago
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feadam (5/19/2010)
do these heads have the manifold heat passage in them

Sure looks like it.

  AussieBill            YYYY    Forever Y Block     YYYY

 Down Under, Australia

Ted
Posted 14 Years Ago
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Here are some additional pictures.

 

 

 

 

Lorena, Texas (South of Waco)


Ted
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feadam (5/19/2010)
do these heads have the manifold heat passage in them
The heads are cast as being heat passage capable but unless ordered otherwise, they will be blocked internally.  If wanting a working heat passage then when ordering the heads, just let John know that you’d like that passage opened up and made functional.

Seems to be a lot of discussion around the heat passages.  Heat passages are not necessary except in colder weather and specifically during warmup to prevent carb icing.  Most driving situations do not require the heat passage and the lack thereof can actually prevent some percolation and carburetor heat issues that are the result of the heat passage.  Many of the new Edelbrock heads come without the heat passage and most air gap styles of intakes also do not have heat passages.  All racing heads come without heat passage provisions as the exhaust flow numbers are more easily controlled by not having an additional hole in the exhaust port.  For Texas weather, heat passages are typically blocked so not having them in the heads or intakes simply eliminates having to block them off.

Lorena, Texas (South of Waco)




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