All Small Six 200 head compatibility ?

[Ironhorse]

Can someone tell me whether 64 and 65 200 heads are compatible with 66 blocks ? Are there any differences I’d have to deal with putting an earlier head on my 66 block ?

 

[frozenrabbit]

pretty much any 144/170/200/250 head will bolt to any year/size block. There would be CC differences, intake log sizes, carb mounts sizes, and possible valve size differences..
200 to 200 in those years should be very similar, if not the same.

 

[Ironhorse]

Thanks frozen. I thought that was the case - just double checking.

 

[rocklord]

There shouldn't be any difference in the combustion chamber volume between the 64/65 and 66 cylinder heads for the 200.

 

[Ironhorse]

Thank you sir.

 

[chad]

some 170s hada 'kidney shaped' cc. Bungs'n taps, log volumn...