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logically thinking.

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  • #1

    logically thinking.

    hey guys cars going to be boosted hopefully next week.. got a few questions.they might sound dumb so bare with me...
    1. should the maf sensor go in the inlet charge pipe after the intercooler or at the turbo inlet?
    2. what about the iat should i just drill a hole in the charge pipe and use the stock grommet and seal the shit out of it?
    3.shouldnt the blowoff valve be before the maf sensor to prevent a lean condition on decel and close throttle shifts...

    i know ill think of more but those are a few things me and my buddies were argueing about last night while mounting the intercooler.. any and all input is appreciated.. thanks
    1996 beretta w/a 04' 3400 3.5 top end, 42.5lb hr, 180*thermo, t3t4 .63ar 60 trim, LC1 WB, FMIC, greddy rs BOV,TIAL 38mm wastegate,791xv,fidanza,stage III clutch,TG LSD,ffp udp,walbro 255 lph,strut tower brace,22 rear sway,30 front sway,92 5sp tranny,92 subframes,all solid mounts,kyb shocks and struts,eibachs,battery in trunk,tgp map sensor,DHP Powrtuner,euro front and rear and more to come soon...mods sitting in boxes waiting install....zo4 kit,GTU wing,and more..
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  • #2
    1. I've had it both places. I felt that it worked best as a blow through setup (by the throttle body)
    2. Mine's just hanging in the engine bay. I'm hoping to fix that with a new 85mm MAF. There is a threaded GM IAT sensor with the same response curve. That sensor can be screwed into a fitting welded onto the intercooler pipe.
    3. yes

    Tim
    1995 Z34 - T04E "60" trim, 42.5 lb/hr injectors, AEM WBO2, FFP UD&DB, 3" exhaust, 2800 stall, shift kit, tranny cooler, Powerslot, Hawk HPS, rear disc conversion, KYB, Eibach, HMS F&R STB, Fittipaldi Force 18" wheels, big stereo, lots more coming eventually...
    325 whp 350 lb-ft

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    • #3
      what year make model came with the threaded sensor?
      1996 beretta w/a 04' 3400 3.5 top end, 42.5lb hr, 180*thermo, t3t4 .63ar 60 trim, LC1 WB, FMIC, greddy rs BOV,TIAL 38mm wastegate,791xv,fidanza,stage III clutch,TG LSD,ffp udp,walbro 255 lph,strut tower brace,22 rear sway,30 front sway,92 5sp tranny,92 subframes,all solid mounts,kyb shocks and struts,eibachs,battery in trunk,tgp map sensor,DHP Powrtuner,euro front and rear and more to come soon...mods sitting in boxes waiting install....zo4 kit,GTU wing,and more..

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      • #4
        i have one on my 86 cavalier. i know 89 had them aswell.

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        • #5
          cool .. whats the advantage to the 85mm maf over the stock one? other than size..from what i have found no gm maf can read more than 12500hz so why upgrade?
          1996 beretta w/a 04' 3400 3.5 top end, 42.5lb hr, 180*thermo, t3t4 .63ar 60 trim, LC1 WB, FMIC, greddy rs BOV,TIAL 38mm wastegate,791xv,fidanza,stage III clutch,TG LSD,ffp udp,walbro 255 lph,strut tower brace,22 rear sway,30 front sway,92 5sp tranny,92 subframes,all solid mounts,kyb shocks and struts,eibachs,battery in trunk,tgp map sensor,DHP Powrtuner,euro front and rear and more to come soon...mods sitting in boxes waiting install....zo4 kit,GTU wing,and more..

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          • #6
            Off topic, but how would you use a IAT AND a MAF for a 1987-88 Beretta? I just used a MAF when I boosted it.
            Lifting my front wheels, one jack at a time.

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            • #7
              the 87-88 maf sensors are a 5 wire, they have a built in IAT sensor. a typical maf sensor (86 and prior and 90+) are 3 wire, and they have a seperate iat sensor.

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              • #8
                So that is why when I did the SDU (Speed Density) upgrade before the setup, the mod only required splicing into two of it's current 5 wires. Couldn't I leave the IAT with the SDU hooked up and just plug the maf back in (I kept the MAF plug intact) then put the maf infront of the compressor wheel?
                Lifting my front wheels, one jack at a time.

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                • #9
                  i think a blow through maf would be a much better idea... whats your opinion on a manual boost controller?
                  1996 beretta w/a 04' 3400 3.5 top end, 42.5lb hr, 180*thermo, t3t4 .63ar 60 trim, LC1 WB, FMIC, greddy rs BOV,TIAL 38mm wastegate,791xv,fidanza,stage III clutch,TG LSD,ffp udp,walbro 255 lph,strut tower brace,22 rear sway,30 front sway,92 5sp tranny,92 subframes,all solid mounts,kyb shocks and struts,eibachs,battery in trunk,tgp map sensor,DHP Powrtuner,euro front and rear and more to come soon...mods sitting in boxes waiting install....zo4 kit,GTU wing,and more..

                  Comment

                  • #10
                    88-94 Z24s used the kind of IAT thats held in the intake box by a clip. The fiero has a threaded one, so do most ecotec engines(but i dont know if they are the same sensor, still two wires??)
                    3500, 1280 cam and PR, ls6 valve springs, port and polished heads, ported lim, ported uim, 4.3 70mm tb, ported trueleo headers and y pipe ALL FOR SALE (minus the car)
                    96 LT4 6spd corvette. 355, AI 215cc LT4 Comp CNC Heads, Prope SRS pistons, Ported intake, ARH long tubes, Corsa Indy Pace 4:10 gears
                    2012 Chevy Sonic Turbo 6spd
                    1970 M35A2 Deuce and a Half, Spin on filters, Turned up IP, HIDs, Flat Black, 11.00x20 singles.

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