Quote:
Originally Posted by 1carnut
I have both a VX and an HX and there is a big difference in Lean Burn between the two. I would really like it if I could get the HX to behave more like the VX for starters and then ideally apply these changes as well. I have tried to read up here on LB and have had some dialogue with Brucepick who yielded some good information and the Marvel Mystery Oil tip. I've only been driving the HX for a short time but the HX seems to limit LB engagement until it's above about 1900 rpms where the VX did not. It also will not engage sometimes after it is warm under the same conditions that it normally would and I find that I have to run the speed/rpm's up really high (~70mph) and then it will engage again but only stay in LB down to about 65 mph. I'm looking for any additional useful information or suggestions.
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I posted on here a while ago trying to find out the exact same thing. I would like to know if the 3 stage vtecs use lean burn more aggressively. I originally was thinking that I might run an hx engine off the computer for one of those. Does anybody know of the specifics. I also was hoping to ask what the differences are between the internals of the jdm d13b engines that show up on ebay sometimes and the hx. Are they bored bigger or did they play with the stroke.