Oh-KE Posted April 18, 2011 Report Share Posted April 18, 2011 Hey, just wondering if someone would identify this K series head for me? Is it a ke70 4k head maybe? It has a fair few differences to my ke55 4k and I have circled some of them.. Any help would be good as I am trying to figure out weather this head is worth cleaning up or not... Thanks. Quote Link to comment Share on other sites More sharing options...
Evan G Posted April 18, 2011 Report Share Posted April 18, 2011 looks like a 5k head. threaded holes near the exhaust ports for the egr Quote Link to comment Share on other sites More sharing options...
Oh-KE Posted April 18, 2011 Author Report Share Posted April 18, 2011 interesting so it's not really any use on a 4k? Quote Link to comment Share on other sites More sharing options...
Evan G Posted April 18, 2011 Report Share Posted April 18, 2011 5k head on a 4k block will dramatically increase the compression ratio and will turn it into a VERY angry motor with a huge cam Quote Link to comment Share on other sites More sharing options...
Oh-KE Posted April 18, 2011 Author Report Share Posted April 18, 2011 ok thanks evan Quote Link to comment Share on other sites More sharing options...
kickn5k Posted April 19, 2011 Report Share Posted April 19, 2011 It looks like it's got an early 3k rocker cover though. Only one breather/pcv hole. Stu. Quote Link to comment Share on other sites More sharing options...
Ben-89 Posted April 19, 2011 Report Share Posted April 19, 2011 That lower thermostat housing (circled)is an early ke70 unit, Nov 81 to Sept 83 as it has those vacuum ports like mine has. As Evan pointed out there are threaded holes for egr in the head itself, but its not a 5k head. That is a 4k head from a km20 Toyota Liteace as it was fitted with "air injection" which was run off an airpump. As opposed to an egr valve local ke70 4ks had. 2 Quote Link to comment Share on other sites More sharing options...
Oh-KE Posted April 19, 2011 Author Report Share Posted April 19, 2011 hmm I knew it was something a bit different haha.. Thanks for the info. After closer inspection the head is unusable and has been binned (all the bolts were seized and were snapping off!) :blinks: Quote Link to comment Share on other sites More sharing options...
towe001 Posted April 21, 2011 Report Share Posted April 21, 2011 That lower thermostat housing (circled)is an early ke70 unit, Nov 81 to Sept 83 as it has those vacuum ports like mine has. As Evan pointed out there are threaded holes for egr in the head itself, but its not a 5k head. That is a 4k head from a km20 Toyota Liteace as it was fitted with "air injection" which was run off an airpump. As opposed to an egr valve local ke70 4ks had. The 5k i have has a similar style head. And it came with the air injection crap, except for the air pump. Quote Link to comment Share on other sites More sharing options...
Andy43 Posted April 21, 2011 Report Share Posted April 21, 2011 Hey any change of a photo the the combustion chamber Quote Link to comment Share on other sites More sharing options...
Ben-89 Posted April 22, 2011 Report Share Posted April 22, 2011 The 5k i have has a similar style head. And it came with the air injection crap, except for the air pump. Spot on, all the commercial vehicles assembled in Japan were equipped with that type of emission setup. The old km20 Liteace we owned had the belt driven airpump disconnected but somehow the vacuum through the air injection ports caused the belt pulley to spin.. Quote Link to comment Share on other sites More sharing options...
Andy43 Posted May 1, 2011 Report Share Posted May 1, 2011 Spot on, all the commercial vehicles assembled in Japan were equipped with that type of emission setup. The old km20 Liteace we owned had the belt driven airpump disconnected but somehow the vacuum through the air injection ports caused the belt pulley to spin.. Has anyone used this pump to create a vacum in the sump ? Quote Link to comment Share on other sites More sharing options...
Evan G Posted May 1, 2011 Report Share Posted May 1, 2011 ive heard people use them as superchargers on like 50cc-100cc motorbike engines Quote Link to comment Share on other sites More sharing options...
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