78 Coupe Posted July 13, 2012 Report Posted July 13, 2012 Is it possible to put 5k crank, rod and pistons into a 4k block Quote
ke70dave Posted July 13, 2012 Report Posted July 13, 2012 Moved to k motor discussion. I dunno the answer but give it a google;) Quote
Redwarf Posted July 13, 2012 Report Posted July 13, 2012 (edited) 5 K crank os the same as a 4K crank. 73mm stroke. Standard 4K bore is 75mm, 5K 80.5. I had CB23 Charade pistons (standard 76mm) in a 3K, which from memory we took out to 78mm (2mm oversize?) at which point we got scared. I believe you won't get 80.5's in a 5K. Edited July 13, 2012 by Redwarf Quote
asirike20 Posted July 13, 2012 Report Posted July 13, 2012 hey mate check this http://en.wikipedia.org/wiki/Toyota_K_engine :yes: :yes: :yes: Quote
78 Coupe Posted July 14, 2012 Author Report Posted July 14, 2012 Thanks’ fellows I’ll investigate further Quote
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