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Discussion Starter · #1 ·
what are the differences between the tsx and type r heads?

what about the block?

i want to go k series but i want to do it once and right. by adding type r internals to the tsx head, will they be the same? also with the block?
 

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You dare to start a new thread???LOL...
Hope this one goes better.
 

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lol, everything...

the heads are diffrent, the blocks are diffrent sizes, the bore is 87mm compared to the k20's 86. the stroke 99mm vs 86, the head ports on the tsx are smaller, the materials to make the pistons. the cranks....the k20a is 2.0 liters the tsx is 2.4...lol.. come on, they might be able to use some simular things such as cams and heads, and all the bolt ons are the same. but the internals are diffrent
 

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The heads are actually very similar aren't they?
 

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you can run the K24's crank in the K20's block to give you longer stroke, I plan on running a 90mm x 99mm setup in my own K20 block :up:
 

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iijrzpnoyii said:
but will a built tsx head similar to a built type r head? thats basically what i want to know.
Yes... You will use all the same cams, springs, and retainers. The TSX head stock should produce a little more torque because of the smaller ports, but once you start working on them they can be built just aqbout the same...

:cool:
 

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Discussion Starter · #9 ·
jon v said:
Yes... You will use all the same cams, springs, and retainers. The TSX head stock should produce a little more torque because of the smaller ports, but once you start working on them they can be built just aqbout the same...

:cool:
oh ok thanks thats what i want to know. i might as well just get a tsx long block along with the ep3 tranny.


can you put k24 crank and rods into the k20a? whats the r/s of the k24 anyway?
 

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if you plan on building it, i would just get the cheaper tsx. no point in spending the cash on a type r if you are going to replace everything in it and have it ported....imo
 

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goldywang said:
if you plan on building it, i would just get the cheaper tsx. no point in spending the cash on a type r if you are going to replace everything in it and have it ported....imo
i agree w/ goldy... & good explanation of the difference between the blocks hondaluver
 

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has any flowed the two heads to see what difference there might be there
 

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cool ya well i figured that the type s/r will flow better if has slighly bigger ports but it would be a good thing to know how much cfm it does becuz the tsx has sum meat on the inside to port still, maybe the portflow valve job a and bowl work info that edo give us in the other post, 22cfm(i think dont feel like clicking back, laziness i know) could get us k24a2'ers the little extra airflow.

to teampacman :up: :up: :up:, for when he gets the info
 

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hondaluver said:
actually the ports on the tsx head are smaller than a k20 head
How did you like it the k20a2 head on ther k24 block compared to the orginal k20a2 complete? how is it fast? more fun to drive than the k20a2? more torque? more faster? let me know! i plan to build a k24 , i am just not sure, you shift it at 7500 rpm?
 

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B18c5turbo said:
How did you like it the k20a2 head on ther k24 block compared to the orginal k20a2 complete? how is it fast? more fun to drive than the k20a2? more torque? more faster? let me know! i plan to build a k24 , i am just not sure, you shift it at 7500 rpm?
i have never driven a k20a2 before, i actually just built this set up before i put it in the car. i blew my auto tranny on my em2, so i just decided to do this set up.

with my dyno numbers, im getting more hp to the wheels than a k20a2 is getting with the same mods and on top of that i am getting 30+more hp. i love the tq, its so effortless going forward from a stop with 5 people in the car. i don't have to rev over 3k to get "going" i put the limiter at 7300, but i always shift at 7k max. i just want to make sure my car doesn't decide to blow on me, since this is my daily driver... but the few people that have driven my car say my car is really nice with all the tq. my friend with a turboed d17 says, he can feel the pull alot better with my NA...
 
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