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Old 06-15-2005, 09:11 PM   #1
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Join Date: Jul 1999
Location: SALEM, NH
Posts: 6,170
Car: '79 Z28
Engine: 400 bored .060 over, forged
Transmission: T5
Axle/Gears: 3.73, 8.5" 10 bolt

Classifieds Rating: (5)
Map Sensor SU105 vs SU129

Im deeply confused.

Last time I bought a MAP sensor, I bought it for a '93 typhoon, which autozone says is part # SU105.

If you lookup a turbo sunbird it is part # SU129.

I'm deeply confused. I did some searching and found some people say a su105 is 1-bar, 2-bar, AND 3-bar.

Anyone wanna confirm this?

-- Joe
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1979 Z28 - 400 Block, .060 reverse domes, eagle SIR rods, forged crank, XR288HR cam, AFR 195 heads, T5 trans, 8.5" 10 bolt 3.73 gears.
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Old 06-20-2005, 04:08 PM   #2
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Join Date: Jan 2002
Location: California
Posts: 1,142
Car: Z28
Engine: L98
Transmission: T56

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napa cross-references su105 to CRB21961.

crb21961 is definately a 1-bar sensor.
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1991 Z28
L98/G80/G92/J65
LT1 injectors, DIY PROM, t-56, AS&M siamese runners, accel intake, F1 GS-D3's
* 14.46 @ 93.36mph, 1.98 60' 7/5/02 (stock)
* 14.89 @ 96.76mph, 2.51 60' 7/7/04 (T56, AS&M SS runners, accel intake)
...guess I need to work on that rear suspension!
1971 RS
406/4spd...a work in progress..
in the 13's @ 107mph without a posi, it's a start.
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Old 06-20-2005, 04:08 PM
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