04-09-2007, 06:32 PM
#1 Senior Member
Join Date: Nov 1999
Location: Lk. Ronkonkoma, Long Island N.Y., U.S.A.
Posts: 467
Car: 1991 Firebird Formula
Engine: 383 Supercharged and Intercooled
Transmission: 6-Speed
Axle/Gears: Stock 10 bolt 3.42
88-92 underdrive crank pulley
I have a crank and alternator pullies. They fit 305 and 350 stock 6 rib serpentine belt. I have all hardware. The crank Pulley is 6" diameter and the alternator pulley is 3".
$50.00 takes them both. $45.00 for crank pulley, $10.00 for alternator pulley. I take Paypal.
Here are the pics.. pic 1 pic 2 pic 3 pic 4
__________________ 1991 Formula
Bright Red (Original Owner) T-Tops, all power - Currently under construction and a car cover. Engine: 383CI, World Products Sportman II's (unported) Vortech V1 S-Trim Intercooler: ATI 3 core (under construction) Cam: SLP rollor 51006, Duration@0.050: 214/224, Lift:.501/.523 SLP Headers: 1.75", Random Technology dual cats, Borla cat back ECU: stock ECM with DIY Flashed EEprom Transmission: T-56, Pro 5.0 shifter, Hayes billit flywheel, Centerforce Dual Friction clutch, custom 3" aluminum driveshaft, Metco driveshaft loop and Spohn Crossmember and torque arm Rear suspension: 3.42 stock 10 bolt, Bilstein shocks, 4th Gen. 1LE control arms and 1LE springs (NNU) stock 11.7" disc brakes Front suspension: Koni adjustable shocks, WS6 springs (BZW), SSBC 1LE Brakes Wheels: 17x9.5 Firehawk silver, Nitto F:555 275's, R:555R 315's. Chassis: Alston subframe connectors, Wonder Bar 2005 GTO
Phantom Black Metallic, Black Interior, LS2, A4, 1 of 553.-Volant CAI, 06 Tails.
Last edited by '91 Formula; 04-10-2007 at 06:09 PM .
04-17-2007, 05:35 PM
#2 Senior Member
Join Date: Nov 1999
Location: Lk. Ronkonkoma, Long Island N.Y., U.S.A.
Posts: 467
Car: 1991 Firebird Formula
Engine: 383 Supercharged and Intercooled
Transmission: 6-Speed
Axle/Gears: Stock 10 bolt 3.42
Re: 88-92 underdrive crank pulley
04-26-2007, 06:45 PM
#3 Senior Member
Join Date: Nov 1999
Location: Lk. Ronkonkoma, Long Island N.Y., U.S.A.
Posts: 467
Car: 1991 Firebird Formula
Engine: 383 Supercharged and Intercooled
Transmission: 6-Speed
Axle/Gears: Stock 10 bolt 3.42
Re: 88-92 underdrive crank pulley
04-26-2007, 11:35 PM
#4 Senior Member
Join Date: Feb 2006
Location: western ny
Posts: 1,090
Car: '82 formula clone, 95 saab 900se
Engine: 350 vortec'd tbi, 2.0L turbo
Transmission: 700r4, 5 spd
Axle/Gears: 10 bolt 2.77 open
Re: 88-92 underdrive crank pulley
what did these do for performance for you?
05-07-2007, 05:41 PM
#5 Senior Member
Join Date: Nov 1999
Location: Lk. Ronkonkoma, Long Island N.Y., U.S.A.
Posts: 467
Car: 1991 Firebird Formula
Engine: 383 Supercharged and Intercooled
Transmission: 6-Speed
Axle/Gears: Stock 10 bolt 3.42
Re: 88-92 underdrive crank pulley
05-07-2007, 05:41 PM
ThirdGen
1992 Camaro
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