zep Posted October 13, 2020 Author Share Posted October 13, 2020 11 hours ago, piazzanoob said: @zep Ive got a bare 4ze1 cylinder head if you want it for dummy up purposes. is cracked but is also clean. has no cam or valves or springs just caps. its free it you want it as is in the scrap bin. its from a 2.6 isuzu trooper Thanks for the offer but I think I'll be okay. I have a head and also you can buy new ones still, so if I mess this one up I should be okay! 1 Quote Link to comment Share on other sites More sharing options...
zep Posted October 13, 2020 Author Share Posted October 13, 2020 I wonder if any one reading this knows the factory length of a 2TC/3TC valve stem? I was assuming that they were 110mm based on these, which I've been told will be fine for my head (https://www.speedfactoryracing.net/products/supertech-tivn-1063-supertech-performance-valves-toyota-2tc-3tc-intake-valve-44x8x110mm-ss-backc) But there are all sorts of other aftermarket valves with different lengths. Basically I'm trying to find out what "factory length" means for these valves: https://www.euroexportinc.com/toyota-3tc-2tc-45mm-stainless-steel-intake-valve-set/ If it's 110mm then I'm good to go. Quote Link to comment Share on other sites More sharing options...
zep Posted October 13, 2020 Author Share Posted October 13, 2020 Just to reply to myself further, I found this in a 2T/3T workshop manual. Can I assume from this that the factory length is 109mm? And if so, if the 110mm valves are good on the exhaust, should I go for 109mm or 111.54 on the intake? Quote Link to comment Share on other sites More sharing options...
smokin'joe Posted October 14, 2020 Share Posted October 14, 2020 can't remember specs, but Mitsi 4G63 8V sigma valves are an upgrade for T engines. will measure when back home Quote Link to comment Share on other sites More sharing options...
zep Posted October 14, 2020 Author Share Posted October 14, 2020 17 hours ago, smokin'joe said: can't remember specs, but Mitsi 4G63 8V sigma valves are an upgrade for T engines. will measure when back home Cool. Thanks man! Quote Link to comment Share on other sites More sharing options...
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