how harmful are boost spikes?

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Old Jan 6, 2008 | 12:56 PM
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97grnrs's Avatar
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Default how harmful are boost spikes?

just wondering. cause im pushin my stock block to the max pretty much as it is and im gonna be running about 12 psi solid on a 57 trim turbo and i always get a 2-3 psi spike for about 2-3 sec till it settles down. will this hurt it or is that short amout of time not a big deal? i do run a lil on the rich side so i think the tune is ok for it but the stock block will only take so much
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Old Jan 6, 2008 | 12:58 PM
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Since you're not tuned for those higher boost levels, i would say that its pretty dangerous....especially on a stock block. Stock ringlands are known to be weak so it might not take much to blow it up
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Old Jan 6, 2008 | 03:16 PM
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Default Re: (Schister66)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Schister66 &raquo;</TD></TR><TR><TD CLASS="quote">Since you're not tuned for those higher boost levels, i would say that its pretty dangerous....especially on a stock block. Stock ringlands are known to be weak so it might not take much to blow it up</TD></TR></TABLE>

the day ring landing break and end up in the oilpan let me know!!! lol
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Old Jan 6, 2008 | 03:19 PM
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Default Re: (DLB1994)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DLB1994 &raquo;</TD></TR><TR><TD CLASS="quote">

the day ring landing break and end up in the oilpan let me know!!! lol </TD></TR></TABLE>

lmao
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Old Jan 6, 2008 | 03:29 PM
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Default Re: (T4eg)

actually i am tuned to go up to any boost level, but im just not sure how much the oem block will take pressure wise.. i am cranking out a decent amount of power off the stock block i know i am . so i dunno how much farther i can boost before something bad happens
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Old Jan 6, 2008 | 03:35 PM
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Default Re: (97grnrs)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 97grnrs &raquo;</TD></TR><TR><TD CLASS="quote">actually i am tuned to go up to any boost level, but im just not sure how much the oem block will take pressure wise.. i am cranking out a decent amount of power off the stock block i know i am . so i dunno how much farther i can boost before something bad happens </TD></TR></TABLE>

if its tuned on some real ems , and its a good timing map with nice rich air/fuel.., you will be just find with that lil bit of spike , if tuned right stock blocks has been know to handle much more!!!!
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Old Jan 6, 2008 | 04:01 PM
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Default Re: (DLB1994)

tuned on zdyne by me. and ya it will handle that but i wasnt sure how well off it was as my daily driver ..
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Old Jan 6, 2008 | 04:36 PM
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Default Re: (97grnrs)

do you have a fuel cut if you should hit an abnormally high boost?
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Old Jan 6, 2008 | 04:40 PM
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Default Re: (usdm97DC4)

unfortunately zdyne has no fuel cut for overboost. so its by eye only.
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Old Jan 6, 2008 | 04:57 PM
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Default Re: (97grnrs)

yikes, be careful then
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Old Jan 6, 2008 | 04:59 PM
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Default Re: (usdm97DC4)

ya i know.. i like the zdyne but its a lil old. and dont have some of the stuff i wish it did. but it works well
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Old Jan 6, 2008 | 06:41 PM
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boost cut?
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Old Jan 6, 2008 | 07:07 PM
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Default Re: (Topdawgg)

no. that what the other guy asked. zdyne doesnt have a boost cut feature
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