Pontiac Grand Prix Forums : Grandprix
 

Grand Prix Forums is the premier Pontiac Forum on the internet. Registered Users do not see the above ads. Please Register - It's Free!

Pontiac Grand Prix Forum - Welcome Register today! Contact us!

Results 1 to 8 of 8

kr question?

This is a discussion on kr question? within the PCM Tuning forums, part of the W Body Tech category; hey im just dumbfounded right now trying to figure out why im getting kr on my WOT runs only in ...

  1. #1
    GT Level Member DaytonaGTP500's Avatar
    Join Date
    May 2012
    Location
    Iowa
    Posts
    177
    Chats
    0

    Default kr question?

    hey im just dumbfounded right now trying to figure out why im getting kr on my WOT runs only in second gear but all my tables look good. Im at 17 deg of timing right now and my main spark-knock retard table is zero'd out and my afr is lockin 11.2-11.5, but yet ONLY in second gear at about 5,700rpm i start to throw about 1 deg of kr and right at shift from second to third im throwing about 1.2 but it does none of this in first gear or shifting from first to second. This is still my first tune on my car so im still learning alot but obviously lost on this one. All help is greatly appreciated thanks.

  2. #2
    Donating Users Tuner-Extraordinaire's Avatar
    Join Date
    Feb 2011
    Location
    Out West
    Posts
    2,898
    Chats
    58536

    Default Re: kr question?

    not bad.
    Whine with your Cheese?
    Stock+Self Tuned. Going for low 14's everyday.

  3. #3
    GT Level Member DaytonaGTP500's Avatar
    Join Date
    May 2012
    Location
    Iowa
    Posts
    177
    Chats
    0

    Default Re: kr question?

    so is that just false knock that im seeing on the gauge/chart display? would you go to push for any more timing? or should i just kinda be done untill i run the drag strip this weekend? lol my hope was to see 18-20 deg but idk...thanks again

  4. #4
    Donating Users Tuner-Extraordinaire's Avatar
    Join Date
    Feb 2011
    Location
    Out West
    Posts
    2,898
    Chats
    58536

    Default Re: kr question?

    you're on the edge as it is. leave it be.
    Whine with your Cheese?
    Stock+Self Tuned. Going for low 14's everyday.

  5. #5
    GT Level Member DaytonaGTP500's Avatar
    Join Date
    May 2012
    Location
    Iowa
    Posts
    177
    Chats
    0

    Default Re: kr question?

    so just to make sure is 1.6 max kr safe with my current mods being... zzp modded 1.9 rockers, l76 springs, ported lim&s/c, s/d headers, wizaird cai, full size zzp intercooler, 180* t-stat, 3.1 pulley? Also is tuning off of the zzp 1.0 pcm any diff from off of a stock one? j/w cuz thats what im doin

  6. #6
    Pretty colours matt5112's Avatar
    Join Date
    Jul 2009
    Location
    Canada
    Posts
    22,532
    Chats
    55557

    Default Re: kr question?

    If i were you, I'd run 16* timing and perhaps enrich it just a tad, say 11.2 consistently.

  7. #7
    GT Level Member DaytonaGTP500's Avatar
    Join Date
    May 2012
    Location
    Iowa
    Posts
    177
    Chats
    0

    Default Re: kr question?

    awsome thats why i was askin. Thank's a **** ton sir, and now im back off to flash the car again lol

  8. #8
    I live here. dsmuts's Avatar
    Join Date
    Feb 2011
    Location
    Coldwater, OH
    Posts
    9,841
    Chats
    5090

    Default Re: kr question?

    There is more load on the car in 2nd and 3rd so you'll get more kr in those gears than in 1st.
    98 GTP 230K miles scrapped
    04 Comp G 180*, HAI, poly db's, zzp stb's, UMI ta's, Speedbuilt sways, DNA springs
    S1x, sd headers in the works

Similar Threads

  1. stupid question, dont mind me.(CAI question)
    By Silversurfer Gio in forum 3.8L V6 Naturally Aspirated (L36)(L26)
    Replies: 5
    Last Post: 05-20-2012, 10:40 AM
  2. FWI(fender well intake) question. Exhaust(cat) question.
    By DJspinner in forum General Tech Discussion
    Replies: 17
    Last Post: 01-23-2010, 12:47 AM
  3. Vacume Tree question & Pcv question
    By 99prixgt in forum 3.8L V6 Supercharged (L67)(L32)
    Replies: 6
    Last Post: 03-24-2009, 01:14 AM
  4. Question: Supercharger question.....
    By nmaponte in forum General Tech Discussion
    Replies: 3
    Last Post: 03-12-2009, 01:04 PM

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •