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Electronic Accesory Pulleys

 
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Old 10-31-2007, 01:34 AM
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Electronic Accesory Pulleys

I know that cars like the 3-series and Lexus LS's have electronic power steering and water pumps. Are there any after market conversions of these for the H22A? I got a ton of power and better gas mileage from bypassing my A/C pulley for awhile. I didn't dyno it but it was the most HP per dollar of anything that I did for it hands down.
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Old 10-31-2007, 08:23 AM
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Just from bypassing the A/C pulley? You know there is almost no resistance when the A/C is off right? I've done the same thing before and didn't notice much of a difference.
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Old 10-31-2007, 09:13 AM
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yeh but maybe his compressor is going out and making more resistance
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Old 10-31-2007, 10:20 AM
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yes, there are aftermarket accessories pullies for the h22a. look into unorthodox racing.
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Old 10-31-2007, 11:29 AM
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Originally Posted by sean1121 View Post
Just from bypassing the A/C pulley? You know there is almost no resistance when the A/C is off right? I've done the same thing before and didn't notice much of a difference.
I went from my tires squeeling when shifting from 1st to 2nd, to my tires skipping. As well as accelerating faster.

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yes, there are aftermarket accessories pullies for the h22a. look into unorthodox racing.
I guess the title was a bit misleading. I want electronic components not mechanical ones.
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Old 10-31-2007, 11:34 AM
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I went from my tires squeeling when shifting from 1st to 2nd, to my tires skipping. As well as accelerating faster.
So is your compressor screwed or what? It shouldn't make that much of a difference.
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Old 10-31-2007, 01:03 PM
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I guess the title was a bit misleading. I want electronic components not mechanical ones.
oh. of course if i read your post more carefully, i would have picked it up too. none that i am aware of... the electronic ones that is.
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Old 10-31-2007, 01:18 PM
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So is your compressor screwed or what? It shouldn't make that much of a difference.
Not that I know of, it doesn't blow out the coldest air when sitting in traffic at 100+ degrees though. I haven't had the belt off for about two years though.
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Old 10-31-2007, 01:22 PM
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Not that I know of, it doesn't blow out the coldest air when sitting in traffic at 100+ degrees though. I haven't had the belt off for about two years though.
Unless there's something really wrong with it there should be no difference between having the AC off and removing the belt. I've replaced the pulley and clutch on my compressor and there's next to no resistance on the pulley with the clutch disengaged.
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Old 11-25-2007, 08:59 PM
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So are there any electric water pumps power steering units out there?
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Old 01-02-2008, 02:30 AM
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It took a long time but I finally found one.
http://www.meziere.com/ps-1333-1269-wpk50026.aspx


Now I just have to figure out if it's going to be worth it or not.

I also found a little more info about it here, http://gtfabrications.com/product_info.php?cPath=60_68&products_id=525&osC
sid=37f48e6a631827c97f0a74a18158d7c8


Is 20GPM good? What's the stock pump do?

Last edited by mckillio; 01-02-2008 at 02:34 AM.
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Old 01-02-2008, 09:07 AM
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[quote=mckillio;75774]I went from my tires squeeling when shifting from 1st to 2nd, to my tires skipping. As well as accelerating faster.quote]

So you went from getting no traction from 1st to 2nd to getting some? I would call that a loss in power. Or a better guess is you got different tire between then and now. Its funny that I'm the only one that cought that lmao. As fas a accelerating faster I can almost bet its in your head man, not to dis you what so ever because trust me I've thought the same thing.
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Old 01-02-2008, 09:10 AM
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Quote:
Originally Posted by mckillio View Post
It took a long time but I finally found one.
http://www.meziere.com/ps-1333-1269-wpk50026.aspx


Now I just have to figure out if it's going to be worth it or not.

I also found a little more info about it here, http://gtfabrications.com/product_info.php?cPath=60_68&products_id=525&osC
sid=37f48e6a631827c97f0a74a18158d7c8


Is 20GPM good? What's the stock pump do?
The thing about el water pumps is there made for racing only most of the tiem because there wear out fast and would not be good for a daly driver car. No if your going for a full out race car then I say go for it bro.
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Old 01-02-2008, 11:26 AM
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[QUOTE=mizlude;93970]
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Originally Posted by mckillio View Post
So you went from getting no traction from 1st to 2nd to getting some? I would call that a loss in power. Or a better guess is you got different tire between then and now. Its funny that I'm the only one that cought that lmao. As fas a accelerating faster I can almost bet its in your head man, not to dis you what so ever because trust me I've thought the same thing.
I went from traction to less traction, not the other way around. My tires were about 6 months or 1k miles old at the time btw.


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The thing about el water pumps is there made for racing only most of the tiem because there wear out fast and would not be good for a daly driver car. No if your going for a full out race car then I say go for it bro.
It says it's actually made for street use and is good for 3000 hours. That equals out to about 4 years when driving 2 hours a day every day. Thats a long time considering I drive about 30min a day and not even every day.

Last edited by mckillio; 01-03-2008 at 02:47 AM.
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Old 01-03-2008, 02:47 AM
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Also they say that people have gotten as much as 7-10whp. From what I understand most of the gains are at the top end and the higher you can rev the better the results. I have seen dynos on other cars with electric water pumps and they showed gains over the entire rpm range though.
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Old 01-03-2008, 04:38 AM
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So these electronic pumps, they just turn off when not in use? So how do they know when to turn back on? Maybe I'm just cynical.

Since the AC and PS pumps take bugger all power when they're not actually being used I think the chances of you getting 7-10whp (if any at all) are rather slim. And if the AC and PS pumps are working, then you probably don't need that extra power.

We had a discussion on this not that long ago on PO.

http://www.preludeonline.com/f60/cyc...ore-hp-224693/
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Old 01-03-2008, 11:15 AM
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My impression is that electric pumps constantly run and pump the same amount at all rpm's (correct me if I'm wrong). Also even if there isn't any load on a certain accessory/pulley, there is still wasted energy to turn it.

Many car companies have started to switch to electric water pumps and power steering i.e. BMW and Lexus I know for sure, for reliability, better hp, and better mpg. Some electric power steering systems (none that I've found support the H22) claim 1-3mpg improvement as well as more power, in the case of EPS it decreases the load at lower RPM's.
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