underdrive pulleys

Big T · 02-14-2004, 07:02 PM

I have some bbk underdrive pulleys for my 03 cobra. Does anyone know where to get instructions to install them? The instructions that came with the pulleys suck.

Corner-Carver · 02-15-2004, 01:00 AM

I was not aware that anyone made underdrive pulleys for the '03.

That being said, those would be the LAST thing I would put on my Cobra. UNLESS, it's DOES NOT slow the water pump. Cooling is the utmost concern on the '03's. The stock cooling system is marginal at best, don't hinder it even more by slowing down the water pump.

Big T · 02-15-2004, 11:12 AM

Thanks for the info. That may be why I can't find instructions. The part is BBK 1559

cobragb · 02-17-2004, 03:03 PM

Quote:

Originally posted by Big T
Thanks for the info. That may be why I can't find instructions. The part is BBK 1559

That part number is for a GT or a 2001 Cobra. There are no underdrive pulleys for the 03-04. Except for the supercharger pulley's, of course.

coleman · 02-17-2004, 10:00 PM

yeah, underdrive

i hope you mean over-drive...
you want the belt to spin faster if you want more HP on these cars cuz it'll spin the eaton faster ... which = more HP, but no warranty, obviously.

02-14-2004, 07:02 PM	#1
Big T Registered User Join Date: Feb 2004 Location: Madisonville, Louisiana Posts: 249	underdrive pulleys I have some bbk underdrive pulleys for my 03 cobra. Does anyone know where to get instructions to install them? The instructions that came with the pulleys suck.

02-15-2004, 01:00 AM	#2
Corner-Carver Registered User Join Date: Jun 2001 Location: North Augusta, SC Posts: 146	I was not aware that anyone made underdrive pulleys for the '03. That being said, those would be the LAST thing I would put on my Cobra. UNLESS, it's DOES NOT slow the water pump. Cooling is the utmost concern on the '03's. The stock cooling system is marginal at best, don't hinder it even more by slowing down the water pump. __________________ Paul '03 DSG Cobra '86 Mustang SVO "Flat out until you see God, count to three, then brake."

02-15-2004, 11:12 AM	#3
Big T Registered User Join Date: Feb 2004 Location: Madisonville, Louisiana Posts: 249	Re: underdrive pulleys Thanks for the info. That may be why I can't find instructions. The part is BBK 1559

02-17-2004, 10:00 PM	#5
coleman Registered User Join Date: Jul 2003 Location: DFW Posts: 249	yeah, underdrive i hope you mean over-drive... you want the belt to spin faster if you want more HP on these cars cuz it'll spin the eaton faster ... which = more HP, but no warranty, obviously. __________________ coleman - DFW-SVTOA Assistant Director 2003 Ford SVT Mustang Cobra # 561 of 8394 built on 6/13/02 609 RWHP / 560 RWTQ @ 16# w/ pump gas Engine: 310cu stroker, L&M Engines cams Induction: KB S/C, CAI, & SbTB Fuel System: KB BAP,Focus Pumps,SD 55# Exhaust: Hooker LTs w/ Jet-Hot 2000,QMP 3",Random Tech Cats, Flowmaster Handling: MM FLSFC/CC/coilover, D&D K-Member/A-Arms,Brembo rotors, KB U/L Control Arms, hardened halfshafts Cooling: Gordsford H/E w/ fans Other: Canton+Accusump, RaptorPerformance Shift light, Battery relocated, Pro 5.0, wbO2, 3.73

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