TID Mod, but no Boost controller safe?
05-11-02, 07:22 PM
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Daily Domestic Killer
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TID Mod, but no Boost controller safe?
Hey I got a custom TID I'm wondering If I should put it on, I also just installed a TurboXs BOV, will I still get mad boost creep with all my mods?
05-11-02, 10:01 PM
#3
Your mods just like in your sig? If you don't have an accurate boost guage you will not know if you are creeping. My '87 had a hugely ported wastegate and would still creep in 5th w/ TID mod, 2.5" downpipe/presilencer and stock catback...
I wouldn't run TID mod without additional fuel past fuel cut levels
BTW, does your exhaust include replacing the precat? This is the exhaust piece FCs have the highest rate of failure w/ as it gets the hot rich exhaust 1st w/ no air from airpump. Very often clogged w/ these cars.
-edit- I just saw your thread title again. Boost controller can never lower boost below "natural" boost levels- wastegate is already wide open.
I wouldn't run TID mod without additional fuel past fuel cut levels
BTW, does your exhaust include replacing the precat? This is the exhaust piece FCs have the highest rate of failure w/ as it gets the hot rich exhaust 1st w/ no air from airpump. Very often clogged w/ these cars.
-edit- I just saw your thread title again. Boost controller can never lower boost below "natural" boost levels- wastegate is already wide open.
Last edited by BLUE TII; 05-11-02 at 10:05 PM.
05-12-02, 02:37 AM
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Well, I'm not that sure what boost exactly but most likely around 8-10 psi with out my FCD I hit fuel cut at 5k rpms, and yeah the precat is still on my car, is this bad?
05-12-02, 02:54 AM
#6
Well, the precat is a sizeable exhaust restriction- even more so if it is clogged (as is often the case). It also is alot of heat and trapping exhaust heat right by the turbo- not great and if clogged- very bad.
If having the precat is the only thing keeping your boost down so you don't blow your motor- it is good. But in terms of performance/reliability (if you have fuel for boost covered) having it is bad.
In my opinion (whatever that is worth), your current set-up is allowing for too much boost w/ out having means to monitor exact boost/ air fuel ratio and adding fuel past fuel cut levels. Ian
If having the precat is the only thing keeping your boost down so you don't blow your motor- it is good. But in terms of performance/reliability (if you have fuel for boost covered) having it is bad.
In my opinion (whatever that is worth), your current set-up is allowing for too much boost w/ out having means to monitor exact boost/ air fuel ratio and adding fuel past fuel cut levels. Ian
05-12-02, 02:05 PM
#7
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Thanks for the input Blue TII, so with my curren't mods I should probly leave the precat on there, I do have an Air/Fuel ratio gauge, but no good boost gauge hopefully it will be coming this week.
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05-12-02, 02:30 PM
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Make sure when your boosting, that a/f meter is in the green not the yellow. i met a guy who had changed his a/f meter to a narrow band. This in turn read only .7 to 1.0 vts instead of the full 0 to 1 vts. because on the wideband guages are "inacurate". When your guage is yellow you are actually running very lean. so there fore you want to keep it in the higher green. IDK who did this but they changed a few resistors in the meter.
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