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whos got a CARTECH fmu?

Old 12-10-2003, 09:49 PM
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Default whos got a CARTECH fmu?

alright...my cartech i have must be an older version (not the 2025) because it looks slightly diff, but none the less, its still adjustable and all. now the one i have the fuel barbs are diff than the 2025. one is in the exact middle and the other is off to the side. neither are marked...what one is the "in" (comming from the fpr) and what one is the "out" (going back to the tank)? and also, what does the little valve thing on top do? (not the screw that adjusts it, but the vavle thing) i assume is for the vac line...looks like it'll bleed some pressure off. whats that for, so you can set a base pressure the fmu starts increasing the fuel pressure at? more importantly though, what barb is what? i can take a pic of that will really help...
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Old 12-11-2003, 02:35 AM
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Default Re:whos got a CARTECH fmu?

The needle valve is a bleeder. It is used to adjust the rate of rise. (closed for max rise, open for less) As far as the barbs go, post a pic. I cant remember, but Im pretty sure the 'in' and 'out' is stamped on the housing?

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Old 12-11-2003, 11:10 AM
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Default Re:whos got a CARTECH fmu?

what do you mean "rate of rise"? and no, like i said, the in and out is not marked... heres a few quick pics...



so what barb is the "in"(from the fuel pressure regulator) and what one is the "out" (back to tank)?
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Old 12-11-2003, 12:57 PM
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Default Re:whos got a CARTECH fmu?

found this:
http://www.cartech.net/fmu2020instruc.htm
might be helpful i gues...
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Old 12-11-2003, 01:59 PM
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Default Re:whos got a CARTECH fmu?

doof-thanks but it really didnt help much at all... i know on the standard non adjustbale units such as the standard vortech ones and such, the one in the center is the out...i believe its the same on this one as well. plus, you can blow into the one on the side and it comes out the one in the middle, but you cannot blow into the center one and have it come out the side one...so i assume the center is indeed the out like all the other fmu's are.
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Old 12-11-2003, 02:44 PM
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Default Re:whos got a CARTECH fmu?

i take that back about the blowing part. you cant blow through either.....
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Old 12-11-2003, 02:50 PM
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Default Re:whos got a CARTECH fmu?

that shirt looks a little too nice and clean to be in the garage. roll around on the floor for a while
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Old 12-11-2003, 02:57 PM
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Default Re:whos got a CARTECH fmu?

haha, i just ran out to the garage to take the pic.... i dont work in that kinda stuff. sooooo! to answer the question! hehe
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Old 12-11-2003, 04:22 PM
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Default Re:whos got a CARTECH fmu?

does it have a model number or not?
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Old 12-11-2003, 07:42 PM
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Default Re:whos got a CARTECH fmu?

nope, no number i can see....
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