3.4 to 4.0 toyota swap

RTE Kidd

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Jul 4, 2006
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Phoenix, Az
I know this has been done, but does anybody have the dimensions of the two? I'm thinking about the swap, but with my steering set up and engine cage done not sure it will fit.
 

curt

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Dec 18, 2002
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www.hayosmotorsports.com
I don't have the dimensions but call John @ LC Engineering, I sent him a clean low miles 4.0 core for one of his his customers. I can get a hold of a couple more if interested..The 4.0 is a much larger footprint (I think width at the heads is much bigger) that has some technical challenges like drive by wire throttle and the whole VVT-i system. He says the heads look like they can be worked with to get more power but at this time everything on this motor would need to be developed as needed...Curt
 
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