I am looking to rebuild a motor for my 99' Accord this summer. I want to go a little different a build an F23 motor. I want to over-bore the cylinders, new pistons/rings, polish all the journals/galleries, and maybe even balance the rotating assembly to get a little more revs out of her. I am thinking about sending the head out to JG Engine Dynamics and getting their: Hi performance pro valve job: Head is taken apart and inspected, head is cleaned, resurfaced, valves re-faced or replaced, new valve stem seals, multi angle valve job in Sunnen VGS machine and assembled. 4cyl: $350.00 . I want to buy a JDM F23 (JDM F23) and rebuild that motor so i have a car to drive while im doing this service. Does anyone out there beleive that this is worth it? I want to just show people that SOHC Accords aren't all that bad, all they need is some love!

 

I've got a 94 Accord with the F22 and I have the same thinking you do... I want to (eventually) build an all motor engine to start with and then turbo it because I know they've got the setup to be one ballsy car... I think that for the same money if you started with a H22 you'd end up with more HP (that's just a guess)... But I think you should go for it! I still think that if ever I get the money I'm going to put an H22 into my 81' Civic station wagon.... I like sleeper cars or builds/things that people don't normally do... I just think that if someone pops their hood and I see an H22 with a turbo I go.. "oh an h22 with a turbo looks fast, seen it before" but if you had just a nuts fast car and you pop the hood they look for DOHC and see SOHC that's impressive to me, it's new and different.... I vote you go for it..

 

You've got my vote. I love my turbo f22b2. I'm getting a 2nd one to build for a 15 psi turbo motor. The f series has lots of potential, and most just go for the H since it's DOHC and makes more out of the box. But I'm telling you, these F's can be some mean turbo motors. And with all the over boring and head work you plan on doing, there's no reason why it would fail as an all motor setup. Don't forget to get an agressive cam on there to really open that motor up!

 

You have to keep in mind, other then the dohc, the F motors can be taken to the same level as an H motor. Yeah, H's head breaths better, you can can port them the same. The H series has a larger bore and a shorter stroke F23's I think F22's have the same stroke as the H series not sure though. But The bore can easily be taken to 90mm with sleeves. So, in the end, F engines are H engines with less rotational mass due to one cam.

 

A F23a1 is a good motor to turbo...trust me I have one. The hardest thing to find will be the valves and springs. I have Isky valves no other company would make them for me. You will have high torque and the hp will be right behind it. Be prepared for a long wait before you get what you really want.

 

I have the same motor, i can get valves, valve springs, and retainers whenever i want for $420 I have the t3/04e turbo right now and building up the parts so i can put it in. Its just a matter of time.

 

Awesome. thanks for the feed back guys, but heres the thing... i dont plan on going turbo. I want to keep this puppy NA and bump the compression up probably by decking the block and head. I am just trying to be different. People turbo the F-series, i would love to but i love NA honda's.

 

if your about n/a then you need to go dohc vtec. sohc respond to turbo better. the dohc vtec is a n/a marvel and it was purpose built to do just that.

 

thats what that dedicated vtec cam is for. high rpm output. dohc motors can easily be taken up to 10 12 or 14 thousand rpm at 250 hp or more. youll always have a problem with high rpm powerband falloff OR low rpm drivability.

 

Yeah, its just most H series motors be come unstable at 11k ^_-