Thread: What pulley and plugs to get??

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  1. #1 What pulley and plugs to get?? 
    TDCRacing
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    I was wondering what pulley and plugs to get(thinking of the autolite 130 racing).And was wondering if i could go as small as a 3.3?

    Car:1999 gtp

    Mods: /2.5 ZZP Down pipe/jmb 4'' fwi with k&n/160 drilled t-stat/plog and possibly rear ported manifold/Wrapped crossover/HP Tuners/


    Close to a dhp 1.0 tune on there now. TIA
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  2. #2 Re: What pulley and plugs to get?? 
    GTX Level Member 02BlueGT's Avatar
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    more commonly would be a 3.4m but I would suggest a 3.5 and tuning before smaller sizes
    2002 GT...CAI, Headers, Special Eddition two-tone leather interior added, HUD added, 12" Brake Upgrade, ZZP strut tower bars, gmpp sway bars, poly motor mounts, -6an braided SS fuel hoses , Hptuned, Headers, Top Swaped, 50lb inj, E85, 3.4
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  3. #3 Re: What pulley and plugs to get?? 
    SS-DD Level Member IndeedSS's Avatar
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    A3.5 pulley would be a lot less risky, especially for your mod list and a 180* tstat better for your engine.

    Edit for plug opinion - AL 605's gapped at .055. They are one step colder than stock and again for you mods, should be fine. IMO 104's would be too cold.
    Last edited by IndeedSS; 03-18-2008 at 07:40 AM.
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  4. #4 Re: What pulley and plugs to get?? 
    GT Level Member Going Too Phast's Avatar
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    I concur with the above posts. As it sits, 3.5 pulley max and Autolite 605 plugs. You will want more mods for a 3.4. You will make more power and the engine will be safer if you are conservative with pulley size. Even with zero KR the hp difference between a 3.5 and a 3.4 is like 5hp? You can't even feel that, and that is IF you had no KR with both which is unlikely. Better safe than sorry IMO.
    .: 1998 GTP : 3.5 : PT : 1.9s : Intake : DP : Plog : 180* : 605s : UD WPP : STBs : 12" Brakes :.
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  5. #5 Re: What pulley and plugs to get?? 
    TDCRacing
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    I was hoping that i could get the 3.4 at least.I heard that most people use the 103's what is the difference between the 605's and the 103's?? I was under the impression that the 103's were 1 heat range colder than stock.I dont want my plugs to be a fix for my uncontrollable kr(if that were the case) but i would like to go to the ''max'' so to speak as far as the ''coldness'' of the plug without entering that range. someone explain how to cold is hurting me because i dont quite understand it...i know they make ngk's that are i think 4 heat ranges colder than stock so when would be an exceptable time to use something like that??.why would a 160 t-stat be to cold? Will the pcm command too rich of a fuel mixture? Could that not be fixed with the tuner? thanks everyone for the replys!!
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  6. #6 Re: What pulley and plugs to get?? 
    GrandPrix Junkie
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    the 160 t stat doesn't allow the engine to enter closed loop, and basically ignores the 02 sensors dumping fuel, and washing down the cylinders. The other issue is efficiency, the internal combustion engine uses fuel most efficient at about 195* (that is where all the NHRA cars try and leave teh starting line)
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  7. #7 Re: What pulley and plugs to get?? 
    GT Level Member t24moore's Avatar
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    I agree with what everyone says, dont get pulley envy. The pulley is only a small part of a bigger equation. Its great having all the extra torque due to the smaller size but it hurts in the long run. Your HP will suffer severely. A 3.5 with your mods will more than likely outperform that 3.4 pulley with the same mods because of KR. And anything sub 3.4 is out of the question without some kind of valvetrain work or IC. Trust me, i blew a HG trying to run a 3.0/Full size IC/rockers/20* of timing/and stock exhaust manis w 3 inch dp. I learned the hard expensive way, take your time and do it correctly.
    Comp Turbo 6765 T4-ST5-A2A IC-Ported Heads-Custom Turbo headers-80 lb inj-F-Body UIM and LIM-AEM WB, TEP trans w 1" chain and Circle D TC, Dual 255s, Bilstien Struts
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  8. #8 Re: What pulley and plugs to get?? 
    TDCRacing
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    Quote Originally Posted by t24moore View Post
    I learned the hard expensive way, take your time and do it correctly.
    That is what i'm trying to do.And thanks to the help of you guys i think it might happen.

    decided to go with the 180 drilled t-stat -thanks guys!!!


    someone educate me on the spark plug question about the coldness of the plug and how it can hurt me. And also why the 605's would be better than the 103's. never heard of someone using the 605's so thats why i ask.just want to learn how it would be benefitial to me
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  9. #9 Re: What pulley and plugs to get?? 
    GT Level Member Going Too Phast's Avatar
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    Well it is helpful to understand the Autolite heat ranges.

    606 = Stock
    605 = 1 step colder and good for stock motors to ~3.5 pulley
    104 = 2 steps colder and good for 3.4 to 3.2ish
    103 = 3 steps colder and good for 3.1 to farther than I'll ever go

    If the plugs are too cold, the plugs don't get hot enough to burn deposits off of them which will lead to misfires as they accumulate. The recommendation usually is to run the hottest plugs you can safely get away with. So your best bet is 605s. If you have one or two degrees of KR with the 605s, you could try 104s. But you can see that 103s are for more hardcore setups.

    EDIT: And I always like referring to Overkill's spark plug article.
    Ontario Quebec Club Grand Prix :: Which Spark Plugs Should I Run?
    That will feed your need for information.
    Last edited by Going Too Phast; 03-18-2008 at 12:21 PM.
    .: 1998 GTP : 3.5 : PT : 1.9s : Intake : DP : Plog : 180* : 605s : UD WPP : STBs : 12" Brakes :.
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  10. #10 Re: What pulley and plugs to get?? 
    TDCRacing
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    ok got ya...thanks for the link.I guess so many ppl are misinformed that they do not know what is ''best''....i see so many ppl that have a 3.4 with 104's and the same mods as i listed.maybe it was ok for them but i am leaning more twards the 3.5 now.



    From those of you with experience will i notice a majior difference in power (seat of you pants wise) when i wrap the crossover,180,t-stat,p-log and 3.5 pulley??


    What is a good estimation of a 1/4 mile time with the above mods??Tried to bring the car to the track stock...but when i was finially able to go it rained out ...i was confident that the car did 14's stock because of the ppl i raced on the street that had gone to the track and did 15.1,15.0 (preludes) and i murdered em lol.i know it is not an accurae way of telling but it was my hopes and dreams to be in the 14's stock....so nobody ruin that lol
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  11. #11 Re: What pulley and plugs to get?? 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    14.1-14.6

    Depends really, You should be fine with a 3.5 and 104's gapped right.

    I think wrapping the crossover will not be a sufficient gain but you can try it. The tb gets a lot of heat from the supercharger itself. I have a tb shield from zzp and while it blocks the heat from the crossover, It seems like it gets hot from the s/c anyway.
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  12. #12 Re: What pulley and plugs to get?? 
    Donating Users GeddyLee's Avatar
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    I went with the AL104 when I got my GTX. I have a 3.5 SLP Pully, 2.5 SLP Catback, Ram Air, Ported TB and SC, 180 Tstat, UBend Delete, modified 1.9 Rockers and a DHP Tune on my PCM as well.

    I was going to switch out my plugs so I spoke with Lee, who I would say knows his cheese about plugs He told me to check my current plugs to see if smelled gasoline on them and check to see if they were burned or charded, indicated a not complete burn off of the gas at the sparkplug (if I am saying that right? I am sure Lee will gladly correct me ).

    I pulled a couple of the front ones out and they checked out OK. No smell of gas and they were actually quite clean after almost a year's wear on them. So I decided to stick with the 104's. My car doesnt seem to mind them to badly.

    My Goal is to go to a 3.4, but I wont go there until I get my headers on my car. Once there I will have Trannyman do his magic on my PCM to really tweek it out and then see how a 3.4 would run on my car. But from all indications so far, it should be fine.

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  13. #13 Re: What pulley and plugs to get?? 
    TDCRacing
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    Quote Originally Posted by Going Too Phast View Post
    Well it is helpful to understand the Autolite heat ranges.

    606 = Stock
    605 = 1 step colder and good for stock motors to ~3.5 pulley
    104 = 2 steps colder and good for 3.4 to 3.2ish
    103 = 3 steps colder and good for 3.1 to farther than I'll ever go

    If the plugs are too cold, the plugs don't get hot enough to burn deposits off of them which will lead to misfires as they accumulate. The recommendation usually is to run the hottest plugs you can safely get away with. So your best bet is 605s. If you have one or two degrees of KR with the 605s, you could try 104s. But you can see that 103s are for more hardcore setups.

    EDIT: And I always like referring to Overkill's spark plug article.
    Ontario Quebec Club Grand Prix :: Which Spark Plugs Should I Run?
    That will feed your need for information.


    you got a time on that car with those mods in your sig??
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  14. #14 Re: What pulley and plugs to get?? 
    GT Level Member Going Too Phast's Avatar
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    Quote Originally Posted by TDCRacing View Post
    you got a time on that car with those mods in your sig??
    Haven't taken my car to the track yet. I've still got a few more mods sitting here ready to go on. After that and a tune I'll try and see what it'll run.
    .: 1998 GTP : 3.5 : PT : 1.9s : Intake : DP : Plog : 180* : 605s : UD WPP : STBs : 12" Brakes :.
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  15. #15 Re: What pulley and plugs to get?? 
    GT Level Member t24moore's Avatar
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    Just remember, if you can't **** you can't eat (exhaust first). As far as the airbox is concerned it depends on the year of your car, I think the 2000+ airboxes were better than the 97-99's dont quote me on that. Myself, I use a HAI, thats the cone right off the throttle body. For me its all about airflow more than temperatures, but I do run a full size IC as well.
    Comp Turbo 6765 T4-ST5-A2A IC-Ported Heads-Custom Turbo headers-80 lb inj-F-Body UIM and LIM-AEM WB, TEP trans w 1" chain and Circle D TC, Dual 255s, Bilstien Struts
    WHY IS EVERYONE SO OPPOSED TO DOING A COMPRESSION TEST TO TROUBLESHOOT PROBLEMS?
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  16. #16 Re: What pulley and plugs to get?? 
    TDCRacing
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    Quote Originally Posted by t24moore View Post
    Just remember, if you can't **** you can't eat (exhaust first). As far as the airbox is concerned it depends on the year of your car, I think the 2000+ airboxes were better than the 97-99's dont quote me on that. Myself, I use a HAI, thats the cone right off the throttle body. For me its all about airflow more than temperatures, but I do run a full size IC as well.

    i think it was the 98 or 99+ i know it was at least 99+ but it doesent really matter. x2 can't **** can't eat lol
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  17. #17 Re: What pulley and plugs to get?? 
    Donating Users jacobmh27's Avatar
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    I understand that. I am going to get it all breathing well before I do anything eles.THe Programmer is a bit much to start off with I may have someone program it for me the first time till get to purchase some more mods and then go for it. Cat back or Headers and all? I Have a Maxima that I am selling and I know with that car everyone told me that Headers would not really do anything on the car for performance wise. But I have never dealt with A SC before. I know the headers on my Trans am work well. Also has anyone eles done the Lexar Air box writeup on the How to page it looks like it came out really nice and I would like to try. Just wondering how easy it was to make the bea=nds come out right. I can not wait to get back from my trip and get this car.
    Last edited by jacobmh27; 03-19-2008 at 10:34 AM. Reason: typeing
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  18. #18 Re: What pulley and plugs to get?? 
    TDCRacing
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    Quote Originally Posted by jacobmh27 View Post
    I understand that. I am going to get it all breathing well before I do anything eles.THe Programmer is a bit much to start off with I may have someone program it for me the first time till get to purchase some more mods and then go for it. Cat back or Headers and all? I Have a Maxima that I am selling and I know with that car everyone told me that Headers would not really do anything on the car for performance wise. But I have never dealt with A SC before. I know the headers on my Trans am work well. Also has anyone eles done the Lexar Air box writeup on the How to page it looks like it came out really nice and I would like to try. Just wondering how easy it was to make the bea=nds come out right. I can not wait to get back from my trip and get this car.



    Headers would make a decent size dent in the kr reduction process and also a noticable gain in performance. The front header is the worst. Check out zzp for more info on that.That is why i am only getting the p-log (i may see what my kr is at without it and save and get some headers down the line) ZZ Performance (here is some info on the restrictive front mani) ^


    That write up does look very nice and the finished product looks awesome. It shouldnt be to hard to do just have to have some time and patience is all. i dont have a lot of patience so i just bought one lol.

    they have people trapping 115 on 2.5 exhaust imho i would do a set of headers or p-log and downpipe and be done with the exhaust.check out this thread that i started about my 2.5 zzp downpipe and listen to what the majority of everyone is saying.the fourm is your best friend


    how did you come about finding your car??


    i just happend to start wanting one and just happend to see one that a guy had right down the street from me and decided to stop by and ask him if he ever had any probs with it ect. just to get an idea about it and to see how he liked it and he said he was just about to put a for sale sign on it...lol...5000 later i had a car.i used to know someone with one a long time ago and i needed a dependable car and couldnt settle for something slow lol


    stock exhaust usually is always restrictive and imho headers on any car will increase performance...but then again i havent seen the header design compared to the stock ones on a maxima
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  19. #19 Re: What pulley and plugs to get?? 
    GT Level Member t24moore's Avatar
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    Well for the headers it depends on how far you plan to mod. If your plan is to run a 3.4 and no more then I would just get a plog w dp. You will shift your powerband some with headers giving you a little more topend. For the tuner, just start out with a DHP 1.0 or find someone to do a basic tune. I ran some respectable times with my DHP 1.0 canned tune. You can always sell it later when you want to step up to a real tune.
    Comp Turbo 6765 T4-ST5-A2A IC-Ported Heads-Custom Turbo headers-80 lb inj-F-Body UIM and LIM-AEM WB, TEP trans w 1" chain and Circle D TC, Dual 255s, Bilstien Struts
    WHY IS EVERYONE SO OPPOSED TO DOING A COMPRESSION TEST TO TROUBLESHOOT PROBLEMS?
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  20. #20 Re: What pulley and plugs to get?? 
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    SO get the Cat back? Before I do the 3.4" RIght? DO I have to. THe Pully and tune is a lot less expensive than the Exhaust. I do not want to hurt the car by pushing to much air in and not haveing the room for Exhaust.
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