Re: [FWDLK] Ply engines
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Re: [FWDLK] Ply engines



the blocks are very similar, in fact, the timing covers/water pumps interchange from A to LA as do oil pans, you can take a 277/301/318/326 oil pan and put it on a late A 318 did it once i a need only situation... [if i pull a poly out - usually a 413-440 takes its place, or 496 stroker for that matter] the oil pumps are however different, the steam holes/head bolt locations are different as well, so head swaps arent in store.  i'm pretty sure the cam journals are the same too, but the sequence of lobes are diff on polys to the "siamesed" intake runner LA motors. as are the position of lifters for harsher pushrod angles on polys
the 360 cant swap oil pans with any other A or LA due to main sizes/seals
 
someone, i believe a list member - back in the late 90s  97-8 ish time frame when i had time to write on the list every night....
took a poly block 3.91 bore [318] went +.040" which nominally makes a 326 dodge engine for 59... and custom machined a 360 LA crank to fit the poly block, along with a custom cam grind from nielson if i'm not mistaken, extrude honed and ported poly heads from a 62 block, a custom intake,  bla bla bla made a naturally aspirated 400hp.  i forgot the end displacement, and dont feel like doin the math at this moment... so....
 
are you still with us? mighty poly/wide block/big small block builder?




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