Posted By: emarine01
LA with hemi heads? - 02/18/09 12:41 AM
Herd something about putting hemi heads on a 59 degree la block , is it doable? 
LA with hemi heads?
Posted By: BBR
Re: LA with hemi heads? - 02/18/09 01:16 AM
No. No hemi head will fit well on a small block. The closest would be a early hemi. It is pretty close and *could* be done by somebody with access to a machine shop but the cost outweights the benefit by a gigantic margin.
Posted By: copchaser
Re: LA with hemi heads? - 02/18/09 01:21 AM
I think a while back there was a deal in MCG about some shop who was making a hemi head conversion kit for small blocks. I don't remember who it was but I did call them and it was big money.
Posted By: lenweiler
Re: LA with hemi heads? - 02/18/09 01:24 AM
I saw these about 3 years back. Expensive... yes. Not a particularly good flowing piece either.........
http://www.rodandcustommachines.com/smallblockhemiheads.html
http://www.rodandcustommachines.com/smallblockhemiheads.html
Posted By: gregsrt
Re: LA with hemi heads? - 02/18/09 01:24 AM
Quote:
Herd something about putting hemi heads on a 59 degree la block , is it doable?
Anything is possible with $$$$$. ask and ye shall receive
http://www.rodandcustommachines.com/smallblockhemiheads.html
Posted By: gregsrt
Re: LA with hemi heads? - 02/18/09 01:25 AM
ya beat me to it 
Posted By: jim sciortino
Re: LA with hemi heads? - 02/18/09 01:57 AM
Are you talking about the old school HEMI heads or the P-5 small block stuff???
The P-5 head has a dedicated block, but maybe if you can get a new XR style block with a blank deck......the possibilities are endless.hehehe
The P-5 head has a dedicated block, but maybe if you can get a new XR style block with a blank deck......the possibilities are endless.hehehe
Posted By: emarine01
Re: LA with hemi heads? - 02/18/09 02:52 AM
thought the new stuff flowed better ,I checked the link saw the numbers , I think Ill keep my W5s
Posted By: SportF
Re: LA with hemi heads? - 02/18/09 02:34 PM
old hemi heads will fit on the first generation of the poly, the one with the real serrated valve cover. There is some difference between the early and late poly that allows this. My son is knowledgeable in this area and has done this, but he's not around to detail this right now. But old to old poly info is around.
Posted By: emarine01
Re: LA with hemi heads? - 02/18/09 03:25 PM
Dont know much about the polys , are they big castings like the old hemis or light like a la block , can you get any cubes out of one?
Posted By: MR_P_BODY
Re: LA with hemi heads? - 02/18/09 03:34 PM
Quote:
Dont know much about the polys , are they big castings like the old hemis or light like a la block , can you get any cubes out of one?
If I remember right the LA bottom end will fit in a
poly block but the block is wider than a LA block
(the poly block was the original A engine)
Posted By: polyspheric
Re: LA with hemi heads? - 02/18/09 04:19 PM
Only Dodge hemi (241, 270, 315, 325) heads fit Dodge poly (241, 259, 315, 325) blocks.
Only Chrysler hemi (331, 354, 392) heads fit Chrysler poly (301, 331, 354) blocks.
No original hemi head, of any brand, fits Plymouth etc. poly A (277, 301, 303, 313, 318, 326) or LA (273, 318, 340, 360) blocks.
DeSoto hemi (276, 291, 330, 341, 345) heads don't fit any poly blocks.
Only Chrysler hemi (331, 354, 392) heads fit Chrysler poly (301, 331, 354) blocks.
No original hemi head, of any brand, fits Plymouth etc. poly A (277, 301, 303, 313, 318, 326) or LA (273, 318, 340, 360) blocks.
DeSoto hemi (276, 291, 330, 341, 345) heads don't fit any poly blocks.
Posted By: thecarfarmer
Re: LA with hemi heads? - 02/18/09 04:57 PM
Quote:
Only Dodge hemi (241, 270, 315, 325) heads fit Dodge poly (241, 259, 315, 325) blocks.
Only Chrysler hemi (331, 354, 392) heads fit Chrysler poly (301, 331, 354) blocks.
No original hemi head, of any brand, fits Plymouth etc. poly A (277, 301, 303, 313, 318, 326) or LA (273, 318, 340, 360) blocks.
DeSoto hemi (276, 291, 330, 341, 345) heads don't fit any poly blocks.
QFT.
Bore spacing is different. I checked on 'em all, because I was thinking of doing a swap onto a later lower end if possible (less weight and less $$$).
-bill