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Here is a noob question, I tried searching and didn't find exactly what I was looking for.

It the D17a1 bottom end the same as the a2? I was looking at buying a new a1 then rebuilding my head from my vtec and putting the two together. Would this be a pain in the but or would is simply bolt together. I have higher miles on my current engine and would like to upgrade to a turbo, I would rather start out with a lower mileage engine before I added boost.

 
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the vtex heads bolt right on to the non-vtec engines. search it up and you will find a diy and a few other threads about people putting an ex head on their lx. so seems like yes you can do that.

but search and read first

 
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Don't get a new D17. Get a k20. They are a lot faster and better for turbos. I'm eventually going to get one followed by a turbo or a sequential blower. Another popular setup is a K20 with a K24 head.

 
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you mean k20 head with a k24 block

 
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Yeah, that is what I meant. A k24 with a k20 head and tranny.

 
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u mean u want a k24 with a k24 head...the k20 head has already been bored out till there is nothing else to bore out...the k24, can still be bored out and has potential to be bored out even more than the k20 thus giving more power...with the right cams and setup, a k24 can produce more hp than a k20 head with k24 block frankenstein...(think about it, the k24 is already 200hp)

 
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I have considered a swap with either the k20 or the 24. However, if I use a stock d17 with a few modifications in the exchange process I can achive nearly the same hp. Plus if I ever choose to sell the car I can remove the turbo set-up and make an additional profit, whereas the engine swap would have to go with the car.

 
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Keep in mind my car is a daily driver and I drive 35 miles one way to work through the week. I can replace a d17 for pennies compared to a k20 or 24.