pullys
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Supreme Member
Joined: Jun 2000
Posts: 2,937
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From: Moorpark
Car: 1991 CAMARO 1968 FIREBIRD
Engine: CAMARO 3.1L FIREBIRD 455
Transmission: CAMARO 700R4 FIREBIRD TH-400
pullys
Do pullys increase your emmissions????
also check this out im gonna build me one of these http://www.geocities.com/duffstercamaro/cupholder.htm
also check this out im gonna build me one of these http://www.geocities.com/duffstercamaro/cupholder.htm
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Joined: Mar 2000
Posts: 13,414
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I don't imagine they would... emissions is basically "how well combustion takes place". The pulleys are acting like a lever with the fulcrum (pivot) in a different spot. The motor isn't working as hard to spin everything.
At least that's my guess on the situation...
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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
At least that's my guess on the situation...

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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
2011 Norwood Gathering
ThirdGen Firebird Rep
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Posts: 3,435
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From: Sarasota FL
Car: 99 WS6 / 00 SS / 11 CTS-V / 13 300
Engine: LS1 / LS1 / LSA / 5.7 Hemi
Transmission: 4L60E / T-56 / 6L80E / W5A80
Axle/Gears: 3.23 / 3.42 Auburn / 3.23 / 2.62
The only guess I have is consider this. Pulleys slow down your water pump, which will let the engine tend to run warmer. The warmer your engine is generally, the better the emissions. If anything, my guess is they would help your emissions!! 
Although, a crank pulley may slow down your air pump...not sure on that. Either way, I wouldn't worry about them at all.
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Jason E
'89 Camaro RS 2.8
Hypertech chip/K&N filters/Accel 8.8 wires/RapidFires
Eclipse CD and 100x4 amp/Boston plates and 6x9s
Alpine Alarm w/ Keyless entry
IROC tailights/tinted windows
[This message has been edited by Jason E (edited November 01, 2000).]

Although, a crank pulley may slow down your air pump...not sure on that. Either way, I wouldn't worry about them at all.
------------------
Jason E
'89 Camaro RS 2.8
Hypertech chip/K&N filters/Accel 8.8 wires/RapidFires
Eclipse CD and 100x4 amp/Boston plates and 6x9s
Alpine Alarm w/ Keyless entry
IROC tailights/tinted windows
[This message has been edited by Jason E (edited November 01, 2000).]
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