I'm looking for stuff to upgrade on the Hahn Stage II kit. I would like to hear from the experienced guys who've already installed the kit, and found any shortcomings that they had to correct themselves.
I dont have the kit yet, as I am in the process of purchasing it from another 2gnt member. Any input would be appreciated.
#95266, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 1
i would say also to get rid of the worm gear style clamps and get some real T bolts. I was always blowing a coupler with the worm gears even at 8psi
If you have plans on going further then keep the cartech if it is working. No sense in spending a lot of money of another fmu or sfmu if you are going megasquirt or portfueler which uses a 1:1
If you have a good running engine now, I would start with the things that will go once you get into the 10+psi range like clutch, maybe a LSD, upgrade the axles, suspension, brakes etc. The hahn kit runs pretty good out of the box from personal experience so while you are not spending the money on a motor rebuild spend it on making the car an all around machine and not just some high HP, no turning, non stopping freak.
#95269, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 3
Originally posted by thedawg Cartech FPR -> Vortech SFMU Stock injectors -> 30lb (for 9psi) or 42lb (for 10+psi) HRC FCD -> Missing link Manifold bolts -> GST 8mm manifold studs
the sfmu and larger injectors are good ideas if you plan on staying at 10ish psi (i doubt it)
the portfueler is happiest when paired with stock injectors. you will have trouble tuning if you get larger than stock and then the portfueler. its not impossible but a hassle none the less. I had 270cc primaries and had to reduce the fuel map on the secondaries by 20% just to get leaner than a 9:1 ratio if you go megasquirt you are going to want bigger than 30lb anyway.
if you can find a used fmu cheap, that might not be a bad idea but if the cartech is working I stand by my original post.
#95271, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 3
Originally posted by thedawg Cartech FPR -> Vortech SFMU Stock injectors -> 30lb (for 9psi) or 42lb (for 10+psi) HRC FCD -> Missing link Manifold bolts -> GST 8mm manifold studs
I plan on staying at 8psi untill I get back from my next deployment so I'll have more money to work with. And as for the Missing Link, I thought the HRC S2 came with one already?
Also, correct my me if I'm wrong, but doesnt the kit come with the Walborro 255 pump?
#95272, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 5
I plan on staying at 8psi untill I get back from my next deployment so I'll have more money to work with. And as for the Missing Link, I thought the HRC S2 came with one already? Also, correct my me if I'm wrong, but doesnt the kit come with the Walborro 255 pump?
If your buying the s2 new from HRC it should come with a 255 pump to replace your in tank one. I belive it also comes with 270cc injectors.
Oh, you don't like altezza's? Too bad, your gonna get a good look at mine.
#95302, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 6 May-25-06 02:52 PM by DarkEclips96
Hey man, the kit already has missing link, wallbro 255 pump, 270cc injector's i believe (never used), and a FMU, not the craptech. Also custom downpipe which I told you about, and a 10AN return line.
#95310, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 7
Originally posted by DarkEclips96 Hey man, the kit already has missing link, wallbro 255 pump, 270cc injector's i believe (never used), and a FMU, not the craptech. Also custom downpipe which I told you about, and a 10AN return line.
lol, its a good thing he knew what he was buying...
/sarcasm
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#95313, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 8
Originally posted by djtrickee
Originally posted by DarkEclips96 Hey man, the kit already has missing link, wallbro 255 pump, 270cc injector's i believe (never used), and a FMU, not the craptech. Also custom downpipe which I told you about, and a 10AN return line.
lol, its a good thing he knew what he was buying... /sarcasm .
LMAO!!!
Ok, so I guess I'll pay a little more attention to my seller before posting questions again. My bad bro's.
#95324, "RE: What To Upgrade On Hahn Stage II" In response to Reply # 10
I had to upgrade the couplers. the 90 degree bend right off of the turbine split on me so I went to silicone instead of the rubber that I received. Of course there was no problem until I installed my portfueler and started running more than the stage 2 boost levels
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