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01-14-2023, 09:40 AM
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#1 |
 
Drives: 18 ZLE, 18 SS1LE, 16 SS, 23 ZL1 Join Date: Jan 2021
Location: Phoenix Arizona
Posts: 427
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Belt and pulley help please
Today I’m trying to install an A/C belt that was missing from my ZLE that I purchased at auction with existing mods. It appears that the OEM size belt is too small to fit on the aftermarket pulley. It says stretch to fit but it seems like a stretch to think it’s going to fit. The tool I bought to help guide the belt on seems useless for this application too. Is it possible that with the aftermarket pulley it doesn’t use an OEM size belt? If so how would I determine which belt to use and how do I install it?
Also wondering if the blower pulley is too big to use on the road course. I rarely stay out the full 20 minute session but I’m concerned about heat soak. |
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01-14-2023, 11:17 AM
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#2 |
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Super Stock
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
Posts: 971
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I really don't know why these stretch to fit belts have become a thing in the recent years in the automotive industry. It's actually really annoying.
What size is your blower pulley? I'm going to assume that the lower is the one which is aftermarket and measures 9.17?
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ  |
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01-14-2023, 01:08 PM
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#3 |
 Drives: 2020 Camaro SS 1LE Join Date: Aug 2020
Location: Florida
Posts: 107
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The grove for the ac belt should not be any different than stock size. It needs to go around the crank pulley first and gets walked on to the ac compressor.
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01-14-2023, 05:38 PM
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#4 | |
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Having FUN in the SUN...
 
Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 2,172
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Quote:
Correct.... Lower pulley size is irrelevant for the AC belt. I was also frustrated with how challenging it was to install. I started with a full wrap on crank pulley, and started the wrap on the AC pulley using my thumb then eventually some tools to start the alignment while my son used a large wrench to turn the motor in that direction. Took several tries and lots of cussing but i finally got it.
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2022 M6 ZLE: GMS Stage.III KONG X.PORT Package + DMS Lid + GMS Rear Bumper Belly Pan + GMS Hood Bracket + GMS Flex Fuel Package + MONSTER Triple S Clutch + XDI.50% Injectors + CLICK FOR BUILD LIST or www.GRIFFIN-MOTORSPORTS.com = 915rwhp 850rwtq + E60 + 15psi
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01-14-2023, 07:55 PM
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#5 | |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: New Ipswich NH
Posts: 6,330
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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01-14-2023, 08:34 PM
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#6 | |
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Drives: 18 ZLE, 18 SS1LE, 16 SS, 23 ZL1 Join Date: Jan 2021
Location: Phoenix Arizona
Posts: 427
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