Thread: Autolite 104's during winter?

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  1. #1 Autolite 104's during winter? 
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    So, I currently have Autolite 104 plugs in my GTP as I planned to drop pullies but never got around to it. My question is, will they be fine to run as it gets cold? I know they are 2 heat ranges cooler than stock, and I'm figuring the cold will factor into that even more being stock. Should I be worried about anything or just leave them?
    1998 GTP Sedan: Gen III, Speedy Daddy Headers, SLP Catback, Magnaflow High Flow Cat, Open Cone Intake, Autolite 104s, Debadged, more to come!
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  2. #2  
    GT Level Member Sushamouf's Avatar
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    What size pulley do you have, and what do you want to drop to? Other mods?

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    2000 GTP - Stage 3 Heads - Gen V - 48# Injectors - Hardened Pushrods - Comp Limited Travel Lifters - LS6 Springs - Yella Terra 1.9 Rockers - S3 Phenolic Intercooler - N* TB - SD Headers - SR intake - ZZP 3.1 Pulley - Dyno Tune - Built 4T65E-HD - 12" Brake kit - SS brake lines - KYB GR2 Struts - 333WHP - 386WTQ
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  3. #3 Re: Autolite 104's during winter? 
    Moderator dsmuts's Avatar
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    might foul a little easier but should be ok.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
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  4. #4 Re: Autolite 104's during winter? 
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    Quote Originally Posted by Sushamouf View Post
    What size pulley do you have, and what do you want to drop to? Other mods?

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    Staying stock now, so 3.8.
    1998 GTP Sedan: Gen III, Speedy Daddy Headers, SLP Catback, Magnaflow High Flow Cat, Open Cone Intake, Autolite 104s, Debadged, more to come!
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  5. #5 Re: Autolite 104's during winter? 
    GTX Level Member Ricky21's Avatar
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    You might not want the cold of a plug for a stock pulley. Even in the summer.
    Open cone, SSAC headers, cat delete, 8.5 MSD wires, 3.4 zzp mps, 180*, 104's, ported blower, DHP canned tune, 19" XXR 962s, DNA springs.
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  6. #6 Re: Autolite 104's during winter? 
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    Quote Originally Posted by Ricky21 View Post
    You might not want the cold of a plug for a stock pulley. Even in the summer.
    I wasn't planning on staying stock, planned on dropping to a 3.4 but never got around to it. Was just wondering if any damage can be done and what might happen if I run this cold of a plug in winter. Why wouldn't I want to Ricky?
    1998 GTP Sedan: Gen III, Speedy Daddy Headers, SLP Catback, Magnaflow High Flow Cat, Open Cone Intake, Autolite 104s, Debadged, more to come!
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  7. #7  
    GTX Level Member crbquist's Avatar
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    I ran 104's on a stock pulley for almost 6 months and had no problems. The plugs did however need to replaced upon dropping to a 3.4 pulley. So I would think you would be fine..
    01 Silvermist GTP - E85 - Cam - Heads - Phenolic IC - Polished Gen V - Stock trans...
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  8. #8 Re: Autolite 104's during winter? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    You can notice fuel mileage go down.

    Replace them with 606's or 605's, 104's are far too cold for the stock pulley.

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  9. #9 Re: Autolite 104's during winter? 
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    You can notice fuel mileage go down.

    Replace them with 606's or 605's, 104's are far too cold for the stock pulley.
    Noticed this actually. I'm usually around 24-25 MPG, 20 MPG right now. I was shaking my head earlier lol.
    1998 GTP Sedan: Gen III, Speedy Daddy Headers, SLP Catback, Magnaflow High Flow Cat, Open Cone Intake, Autolite 104s, Debadged, more to come!
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  10. #10 Re: Autolite 104's during winter? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    The colder weather also does reduce your mpgs, but running that cold of plug is not needed. I would swap them.

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