- Jun 23, 2011
- Reaction score
- Seattle, Washington
H22 Timing Tensioner
KAIZENSPEED’s new H22 Timing Tensioner directly replaces the stock H22 auto tensioner and eliminates the annoying H23 manual tensioner conversion. The stock H22 automatic tensioner, also called a hydro tensioner is known for premature failure, causing bent valves at the least. The H22 Timing Tensioner eliminates the need for an H23 manual tensioner conversion. Instead of spending your time reading how-to articles, this tensioner allows you to simply remove two bolts and replace your failed tensioner with one that can never fail! Never use H23 manual tensioner conversion parts again! For nearly a decade now, all of us H22 guys have had the problem of failed auto/hydro timing belt tensioners. I’ve seen the stock H22 auto tensioner fail more times than I can count. Brand new, OEM tensioners often fail in a matter of months, leaving you dead in the water with bent valves. In the old days, we would use the H23 manual tensioner parts, which had a host of annoyances. Installation was time consuming and there are a lot of little parts involved in the conversion. The H23 tensioner spring can come off it’s post and get chewed up by the timing belt. And most importantly the H23 tensioner pulley was larger which made installing the timing belt a real pain! CNC machined from billet aluminum with a hardened tension rod and jam nut. The custom-made adjustment wrench included with each tensioner makes for an easy, five minute installation during a timing belt change.
a little something i found for us h22 guys... copied from kaizen's website
and its roughly the same price as the h23 manual tension conversion
I've always favored the H23a1 for a swap, though I wouldn't be so quick to up your numbers.
With the longer stroke of the H23 you'll make more torque, but your power band is lower than the H22, meaning you won't be zinging as high for peak HP numbers. Less HP, better power band. It's a tradeoff I'd be willing to make myself. Of course you can always build an engine to make power higher up with enough money, but there are compromises with that as well.
Anyway, Roscoe will be your new best friend Rosko Racing, and you'll need every bit of his help if you want to get 270 out of that motor. He has several build threads on H-T you can check out, but I don't recall him making those kinds of numbers, even with his infinite collection of custom parts he can produce. I think his latest venture was going to a B-series trans in his Prelude IIRC.
Good luck with the build man. 250+ whp out of an H is great. I've seen a few over that, but not many. I'm also not an avid "H" guy, but I know they are good motors. I'd definitely suggest aftermarket cams for your power goal. I find it impossible to reach those numbers on stock cams.
There have been many good things said about the Hondata S300. Would you ever consider going with Neptune? I've heard equally great things about them and I believe their unit is a bit cheaper than the S300. I'm not 100% sure they have something for the H, but I'd imagine they would.