installed new 3 inch turbo back getting boost spikes
Dec 23, 2003, 04:25 PM
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installed new 3 inch turbo back getting boost spikes
hey guys gals i have a ? i installed a 3inch turbo back with no cat .
befor i was getting the normal 19 max boost then tappered off .
but now after just a k&n drop in filter and the 3inch im getting 21 to 22 boost spike then it holds 18 to 19 psi to redline . and everything is stock besides 3 inch and k&n. is this a normal thing or what ?
befor i was getting the normal 19 max boost then tappered off .
but now after just a k&n drop in filter and the 3inch im getting 21 to 22 boost spike then it holds 18 to 19 psi to redline . and everything is stock besides 3 inch and k&n. is this a normal thing or what ?
Dec 23, 2003, 08:52 PM
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rallyred, maybe I'll come by you work tomorrow or friday in the a.m. to check it out, i am heading home to California sunday so hopefully I'll see it by then Tim.
Dec 23, 2003, 11:25 PM
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Thats sounds normal since I went from 19 psi to 20 psi with just a downpipe. Don't think nothing is wrong. I believe it's from the turbo being able to spool freely.
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Dec 24, 2003, 05:08 AM
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rallyred,
Get a boost controller (manual or electronic would be ideal) to prevent the boost spike which normally happen after the cat-back or turbo back upgrade. The sole purpose of which is to keep your boost at a constant vaccum pressure. I have a Greddy Profec B which is by far one the cheapest electronic boost controller and easiest to setup and holds boost perfectly. It has high, low and a boost balance to set the responce of your turbo boost (fast, slow). Another good electronic boost controller is the TurboSmart e-Boost which is a little bit more expensive but it's got more 3 memory settings with individual balance, different boost in each gear, overboost protection and tons more and the best thing it's also an integrated boost gauge (bar, psi). You would not be dissapointed with this mod. It should be a first mod to do on any turbo car.
Get a boost controller (manual or electronic would be ideal) to prevent the boost spike which normally happen after the cat-back or turbo back upgrade. The sole purpose of which is to keep your boost at a constant vaccum pressure. I have a Greddy Profec B which is by far one the cheapest electronic boost controller and easiest to setup and holds boost perfectly. It has high, low and a boost balance to set the responce of your turbo boost (fast, slow). Another good electronic boost controller is the TurboSmart e-Boost which is a little bit more expensive but it's got more 3 memory settings with individual balance, different boost in each gear, overboost protection and tons more and the best thing it's also an integrated boost gauge (bar, psi). You would not be dissapointed with this mod. It should be a first mod to do on any turbo car.
Dec 24, 2003, 10:39 AM
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i have the vishnu cpu comming just have not received it as of yet guess they had the turbo back come in first mabey after i get the cpu i can fix the prob . thx for all the info guys 
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