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Old 04-06-2007, 04:38 PM
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zcarguy zcarguy is offline
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Alternate MAF question

I've seen many threads mentioning using a Z32 MAF as a performance alternative to the stock unit. Has anyone explored the idea of using a MAF from a GM LT1? The stock F-Body units are 3 1/2" and the B-Body units are 3". I have a 3" MAF from a Caprice cop car LT1 that I swapped into my Datsun 240Z. I replaced it with a 3 1/2" unit so the smaller one is just rattling around in my garage.
Does anyone know how this size compares to the stock and Z32 MAFs?
I know the ECU chip would require a reflash so I can't just plug it in but I think these GM MAFs are probably much cheaper then the Z32 units.
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ZcarGuy (Ken Wheeler)

73 Datsun 240Z, GM LT1 (274 rwhp, 307 ft/lbs torque), GM 5-Speed, LSD (The Beast)
93 Mustang 5.0 LX Convertible. Mostly Stock (The PussyCat)
92 Teal LS-L SVX. Project, when completed will be sold.
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Old 05-22-2007, 07:04 PM
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I guess you're not going to get an answer. Basically I would guess the Nissan part is a close fit and the ECUTune software was designed to work for it.
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Old 05-23-2007, 06:24 PM
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Myxalplyx Myxalplyx is offline
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This link-->
http://books..com/books?id=9wd7BxUDL5MC&pg=PA41&lpg=PA41&dq=lt1+maf+ sensor+voltage&source=web&ots=kO0a--Lr7Q&sig=f2wWIsZ218gc58h_thppgZhtX8g
Mentions that the LT1 maf sensor has a voltage range of 0-5 volts.

From screwing around trying to fit an SVX maf sensor my XT6--> http://xt6.net/forum/viewtopic.php?t...ght=maf+sensor the folks here sent me voltage information about the SVX maf sensor. See below:
"B60-5 is signal from the MAF 0-.3v w/ ignition on, .8-1.2 idling
b60-6 is ground
b60-4 has no connection shown in the fsm
B60-11 supplies 13-14V to the MAF at idle"

If I understand this right, the SVX maf sensor voltage reading range is not the same range as the LT1 maf sensor's voltage so it will not work.
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1997 2.2ltr Subaru Impreza Outback Sport Wagon (AWD/Auto) 13.03@100mph
1989 2.7ltr Subaru XT6 (AWD/Auto) 15.912@85.93mph
1996 3.3ltr SVX (AWD/Auto) 15.070@91.38mph
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2010 RAV4 AWD Sport (13.717 @ 99.19mph )
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