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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

New belt=Less boost

  • Thread starter Thread starter jivepepper
  • Start date Start date Sep 29, 2006

jivepepper

Founding Member
Jun 19, 2002
776
5
18
Under a Sombrero. in WV.
Sep 29, 2006
#1
  • Sep 29, 2006
  • #1
After shreading the belt monday morning. I replaced it with the same size and brand. The only difference was that this belt had a slightly different pattern to the cogs on the ribs. It looks something like a goodyear gatorback, but its the by Dayco The box was faded and, I think it was like an older version.



Well I was seeing about 14psi at the top of third according to my boost gauge. Now I'm at about 12.5-13 at the top of third. I did have the one IC pipe off so I'll check there for a small leak. I want what I had before. The vacuum is the same. I need it to be the same for the 7th Dammit!! Because I'm going to the track for the first time ever. What's that **** people spray on there belt at the track?
 

stangGT97

New Member
Dec 22, 2004
1,299
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0
Boston area, MA
Sep 29, 2006
#2
  • Sep 29, 2006
  • #2
If you think you're getting belt slippage, I would check for rubber dust in the engine bay. I thought the gatorback was a good belt, maybe try to get another one?
 
R

RoadconeTuning

New Member
Apr 4, 2006
458
0
0
Upstate, SC
Sep 29, 2006
#3
  • Sep 29, 2006
  • #3
you have a dayco polycog belt and they grip better than the regular belts... its ilke a cheap gatorback... i think you either have a slight boost leak or your gauge is going bad if there isnt any belt dust anywhere....
 

jivepepper

Founding Member
Jun 19, 2002
776
5
18
Under a Sombrero. in WV.
Sep 29, 2006
#4
  • Sep 29, 2006
  • #4
I never ran a gatorback. I only commented that it looked like a gatorback. I ran a polycog bought times. This one just looked a little different. I think it was an older version because the cogs are spaced farther apart and the box looked old and faded.

I get belt slip but I still got between 13.5-14 psi. Now about a pound less.
 

stangGT97

New Member
Dec 22, 2004
1,299
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0
Boston area, MA
Sep 29, 2006
#5
  • Sep 29, 2006
  • #5
jivepepper said:
I never ran a gatorback. I only commented that it looked like a gatorback. I ran a polycog bought times. This one just looked a little different. I think it was an older version because the cogs are spaced farther apart and the box looked old and faded.

I get belt slip but I still got between 13.5-14 psi. Now about a pound less.
Click to expand...

hrmm ok, I thought you meant you were running a Gatorback before. Sorry..
 

jivepepper

Founding Member
Jun 19, 2002
776
5
18
Under a Sombrero. in WV.
Sep 29, 2006
#6
  • Sep 29, 2006
  • #6
I just ordered a gatorback for $21.00 plus 9.95 shipping from summit.
 

timeless2

Vi Veri Veni Versum Vicus Vici
Admin Dude
Nov 29, 1999
1,366
202
154
the Shadow Gallery
Sep 29, 2006
#7
  • Sep 29, 2006
  • #7
If you use any belt dressing, be careful to not overdo it.
 

stangGT97

New Member
Dec 22, 2004
1,299
1
0
Boston area, MA
Sep 29, 2006
#8
  • Sep 29, 2006
  • #8
jivepepper said:
I just ordered a gator back for $21.00 plus 9.95 shipping from summit.
Click to expand...

well I hope this fixes your issues. Did you end up checking for leaks?
 

jivepepper

Founding Member
Jun 19, 2002
776
5
18
Under a Sombrero. in WV.
Sep 29, 2006
#9
  • Sep 29, 2006
  • #9
stangGT97 said:
well I hope this fixes your issues. Did you end up checking for leaks?
Click to expand...

Thanks. Not yet I will after the new belt install.
 

stangGT97

New Member
Dec 22, 2004
1,299
1
0
Boston area, MA
Sep 29, 2006
#10
  • Sep 29, 2006
  • #10
jivepepper said:
Thanks. Not yet I will after the new belt install.
Click to expand...

Good plan. I'd keep the Dayco belt + a 1/2" drive (or 3/8", depends on the year) rachet in your trunk, just in case you shred the gatorback belt far from your house.
 

jivepepper

Founding Member
Jun 19, 2002
776
5
18
Under a Sombrero. in WV.
Sep 29, 2006
#11
  • Sep 29, 2006
  • #11
stangGT97 said:
Good plan. I'd keep the Dayco belt + a 1/2" drive (or 3/8", depends on the year) rachet in your trunk, just in case you shred the gatorback belt far from your house.
Click to expand...

I probably will but it still takes 2 peps to put it on.
 
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