short belt

Chris951 · April 24th, 2009, 11:50 PM

I had an 84.5" belt on my fox because my smog pump seized. It's been squeaking and I realized the tensioner was all the way down and the belt was bouncing on the part between the alternator and the harmonic balancer. I put in an 83.5" and its all good. Just wondering if anyone else had this problem because I know everyone runs the 84.5 but it was too long for my car.

Vamp89 · April 25th, 2009, 01:19 AM

I have a 77 inch

Chris951 · April 25th, 2009, 01:40 AM

wtf with the smog bypassed?

89 5.0 LX · April 25th, 2009, 02:09 AM

I run an 82-1/2" belt... No smog pump, Belt is around the A/C, power steering, alt, waterpump and crank... the crank pulley is underdrive, not sure about the others. One of the previous owners did that.

Gates part # K060820 for the 82.5" belt.

Vamp89 · April 25th, 2009, 10:01 AM

Originally Posted by Chris951

wtf with the smog bypassed?

Yeah

87 CAVALLO · April 28th, 2009, 03:32 PM

Anyone Know The Size For The Belt When Removing The A/c Compressor New To Thismustang Thing 87 Mustang 5.0 Conv.

1slo5.0 · April 28th, 2009, 05:33 PM

Originally Posted by 87 CAVALLO

Anyone Know The Size For The Belt When Removing The A/c Compressor New To Thismustang Thing 87 Mustang 5.0 Conv.

You can't just remove the A/C, you need to relocate the power steering pump or the belt will rub when it crosses itself above the water pump pulley.

89 5.0 LX · April 28th, 2009, 09:02 PM

Originally Posted by Darrell

You can't just remove the A/C, you need to relocate the power steering pump or the belt will rub when it crosses itself above the water pump pulley.

Or you can get one of those A/C delete kits.. it comes with a dummy pulley that fits where the A/C compressor used to be.

Some people actually use these dummy kits when they remove the smog pump. I don't, but some people claim the smog pump or smog pump dummy pulley relieves extra tension on the alternator bearings.

The power steering pump relocation would keep it cleaner under the hood as well as reduce rotating mass though. Probably the best bet.

1fst5.0 · April 28th, 2009, 11:24 PM

i took off my a/c and smog pump. it didnt rub, but does come close. i drilled a new hole in the alt. bracket for the tab on the tensioner so i could rotate it and put more tension. i eventually got an alt. kit( from march) with a tension bar and it looks awsome.

April 24th, 2009, 11:50 PM	#1
Chris951 Hardcore Enthusiast 1988 T-top 5.0 Join Date: Aug 2007 Location: Mesa, AZ Posts: 1,510	short belt I had an 84.5" belt on my fox because my smog pump seized. It's been squeaking and I realized the tensioner was all the way down and the belt was bouncing on the part between the alternator and the harmonic balancer. I put in an 83.5" and its all good. Just wondering if anyone else had this problem because I know everyone runs the 84.5 but it was too long for my car. __________________ 1988 LX T-top 5.0: 70mm BBK Throttle Body 4.10 gears BBK shorties, Pypes O/R X-pipe, Dumped Flowpaths Pro 5.0 shifter

April 25th, 2009, 01:19 AM	#2
Vamp89 Regular 1989 Mustang GT Join Date: May 2006 Location: Indiana Posts: 193	I have a 77 inch __________________ Ported Saleen Vortech Intake BBK 70mm t/b,BBK CAI,BBK Reg,BBK 255 Fuel Pump Hooker Super Comp Long-tube Headers Fcam Ported Motorsport J302 Heads 30# Injectors 1.6rr 80mm Mass Air 4:11 gears

April 25th, 2009, 01:40 AM	#3
Chris951 Hardcore Enthusiast 1988 T-top 5.0 Join Date: Aug 2007 Location: Mesa, AZ Posts: 1,510	wtf with the smog bypassed? __________________ 1988 LX T-top 5.0: 70mm BBK Throttle Body 4.10 gears BBK shorties, Pypes O/R X-pipe, Dumped Flowpaths Pro 5.0 shifter

April 25th, 2009, 02:09 AM	#4
89 5.0 LX Regular 1989 5.0 LX 1987 LX Notch Join Date: Oct 2006 Location: Aggieland, Tx / Seguin, Tx Posts: 451	I run an 82-1/2" belt... No smog pump, Belt is around the A/C, power steering, alt, waterpump and crank... the crank pulley is underdrive, not sure about the others. One of the previous owners did that. Gates part # K060820 for the 82.5" belt. __________________ You may not get what you pay for, but you always pay for what you get. '89 5.0 LX (5.0 swap donor car) '87 2.3 Notch (Now a 5.0 Notch) MM's Late Night Crew Co-Founder Black Stang Crew Member #11

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April 28th, 2009, 03:32 PM	#6
87 CAVALLO Newbie Join Date: Apr 2009 Posts: 2	Anyone Know The Size For The Belt When Removing The A/c Compressor New To Thismustang Thing 87 Mustang 5.0 Conv.

April 28th, 2009, 11:24 PM	#9
1fst5.0 Regular 1986 mustang gt Join Date: Apr 2009 Location: el paso tx Posts: 185	i took off my a/c and smog pump. it didnt rub, but does come close. i drilled a new hole in the alt. bracket for the tab on the tensioner so i could rotate it and put more tension. i eventually got an alt. kit( from march) with a tension bar and it looks awsome.

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