Underdrive Pulley?
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Joined: Mar 2011
Posts: 177
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From: Springfield, MO
Car: 1992 25 Anniversary Chevy Camaro RS
Engine: TBI 305sb
Transmission: 700R-4
Axle/Gears: Stock
Underdrive Pulley?
This weekend I will be doing an AC/SMOG delete on my 305 TBI. That is when I noticed that the crank pulley on my 305 looks rather small to me. So now I'm wondering if a previous owner installed an UD pulley on this car. Here are some pictures if you all can help confirm or deny this claim.
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Joined: Sep 2009
Posts: 516
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From: Downers Grove, IL
Car: 91 Z28 / 04 GTO
Engine: GMPP 350 TPI / LS1
Transmission: WC T5 / T56
Axle/Gears: 3.23 / 3.46
Re: Underdrive Pulley?
the only way to tell is to measure it. did you buy an A/C delete pulley already?
Thread Starter
Member
Joined: Mar 2011
Posts: 177
Likes: 0
From: Springfield, MO
Car: 1992 25 Anniversary Chevy Camaro RS
Engine: TBI 305sb
Transmission: 700R-4
Axle/Gears: Stock
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From: Fl.
Car: 83 Trans Am / 96 Jeep XJ
Engine: 355 / 4.0 I6
Transmission: TH350 / Auto
Axle/Gears: 3.23 10-bolt / 4wd
Re: Underdrive Pulley?
Well, it's not stock.. And your WP pulley doesn't look stock either.. ?
Thread Starter
Member
Joined: Mar 2011
Posts: 177
Likes: 0
From: Springfield, MO
Car: 1992 25 Anniversary Chevy Camaro RS
Engine: TBI 305sb
Transmission: 700R-4
Axle/Gears: Stock
Re: Underdrive Pulley?
Well, I went ahead and just pulled everything and installed my A/C delete pulley. I used the 96.8" belt listed in the FAQ but it was a bit to long. And my stock belt was still to short. So I went with a 95.5" belt and it is perfect. So I'm not sure if that says means I have a stock pulley or an UD pulley... Not that it matters anymore, so thanks for everybodies help!
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