garveysboy Posted February 27, 2006 Share Posted February 27, 2006 Hey I plan on doing a frankenstein swp on my 99 prelude and im just trying to read up on it and get some advice about it. I was told that if you plan on putting the h22 head on the h23 bottom end that u have to run a seprate oil line to the head and get the head or block machined, and i was also told that the h23 does not have a crank sensor and that you have to do ECU work or either the check engine light will be on or it wont run. If anyone can tell me what they know about the frankenstein and if its a good idea i would greatly appricite it. thanks alot. Link to comment Share on other sites More sharing options...
SexyH22 Posted February 28, 2006 Share Posted February 28, 2006 i've never had any experiences w/ a setup like that. is there a reason why u wanna do it? Link to comment Share on other sites More sharing options...
garveysboy Posted February 28, 2006 Author Share Posted February 28, 2006 i've never had any experiences w/ a setup like that. is there a reason why u wanna do it? well the the h22 makes up some nice hi end power and the h23 makes nice lowend so you have the h23 to push you in the low and the h22 head with the vtech to push you through the high. Link to comment Share on other sites More sharing options...
InfinitePrelude Posted February 28, 2006 Share Posted February 28, 2006 i don't think its that simple... wouldn't it be simpler to bore the h22 to a 2.3+ then to swap the hole bottom? Link to comment Share on other sites More sharing options...
SexyH22 Posted February 28, 2006 Share Posted February 28, 2006 do you have access to a h22 top end and a h23 bottom end? cause if you only have access totthoseparts have at it, but if your gonna buy 2 motors there are better things to do. Link to comment Share on other sites More sharing options...
garveysboy Posted February 28, 2006 Author Share Posted February 28, 2006 do you have access to a h22 top end and a h23 bottom end? cause if you only have access totthoseparts have at it, but if your gonna buy 2 motors there are better things to do. well what els is there to do inorder to do that. i have a hole h22 with spun bearings. and i can get a whole h23 bottom end fully put togather. i mean could i chang out the parts i need for the h23 to the h22 like bearings and rods and the crank and stuff or should i just say fawk it and do a stright h22 to h22 engine swap. and if so what could i sell off the block with the bad bearings. thanx again Link to comment Share on other sites More sharing options...
SexyH22 Posted February 28, 2006 Share Posted February 28, 2006 why dont you just build the h22. rebuild the bottom end, and build it to handle boost. then turbo it. probably similar money, with more reliability, and more performance. Link to comment Share on other sites More sharing options...
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