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350 HO pulleys

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Old 05-18-2009, 07:57 PM
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Car: 1987 IROC
Engine: 350 Gm H.O
Transmission: 700r4 built
Axle/Gears: 3.42 Locker
350 HO pulleys

I just finished swapping a GM 350 HO crate motor with long tube headers into my camaro. The only problem is that the pulleys vibrate to much for my liking. The power steering bracket had to be taken off to fit my long tubes on and now the it shakes. Can someone lead me to a replacement pulley system that will make everything firm or brackets that will solve my problem? I have no ac. It's two belts, power steering on the lower driver side, mechanical short water pump, and alternator on passenger side.

Thanks
Old 05-18-2009, 09:03 PM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: 350 HO pulleys

You might consider a serp system.

JamesC
Old 05-18-2009, 11:50 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Short water pump?
Old 05-19-2009, 11:44 AM
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Re: 350 HO pulleys

Yeah short neck waterpump. not long style. I don't know if that makes a difference with brackets or something. Just looking for some links to possible pulley kits or brackets for my motor. My stock 305 parts arent doing a very good job.
Thanks
Old 05-19-2009, 03:08 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Stock is a long water pump. It will affect both pulley and bracket alignment.

Where did the short pump come from?

The rear PS/AC bracket that bolts to the exhaust manifold needs to be modified in order to fit with headers. Not a hard thing to do, but I'd call it a necessary thing to do so the bracket can be put back on.
Old 05-19-2009, 08:02 PM
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Engine: 350 Gm H.O
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Axle/Gears: 3.42 Locker
Re: 350 HO pulleys

The water pump is a stock replacement by acdelco from Levine's auto parts.
Old 05-19-2009, 10:57 PM
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Axle/Gears: 12B-3.73/9"-3.89
If it's supposed to be a factory replacement, and it's a short water pump, they gave you the wrong part.
Old 05-20-2009, 10:46 AM
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Re: 350 HO pulleys

Okay. Thanks for your help.
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