will knock occur at idle? tuning help
10-05-2008, 12:03 AM
#21
Boost Pope
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With the GT2554 turbo that comes in the "S" kit, you should be seeing the onset of boost no later than 2,500 RPM or so in the higher gears. In other words, put it in 3rd or 4th, get it to 2,000 RPM, and floor it. If you're not at maximum boost by 4,000 RPM, something is wrong.
Where exactly is the hose to your boost gauge connected to the system? Be as specific as possible.
As Steph said, verify that the wastegate actuator rod is firmly attached. Though even if it weren't, I'd expect a couple pounds as you approach redline.
There really aren't that many things that could be wrong here.
Where exactly is the hose to your boost gauge connected to the system? Be as specific as possible.
As Steph said, verify that the wastegate actuator rod is firmly attached. Though even if it weren't, I'd expect a couple pounds as you approach redline.
There really aren't that many things that could be wrong here.
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10-05-2008, 12:11 AM
#22
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With the GT2554 turbo that comes in the "S" kit, you should be seeing the onset of boost no later than 2,500 RPM or so in the higher gears. In other words, put it in 3rd or 4th, get it to 2,000 RPM, and floor it. If you're not at maximum boost by 4,000 RPM, something is wrong.
Where exactly is the hose to your boost gauge connected to the system? Be as specific as possible.
As Steph said, verify that the wastegate actuator rod is firmly attached. Though even if it weren't, I'd expect a couple pounds as you approach redline.
There really aren't that many things that could be wrong here.
Where exactly is the hose to your boost gauge connected to the system? Be as specific as possible.
As Steph said, verify that the wastegate actuator rod is firmly attached. Though even if it weren't, I'd expect a couple pounds as you approach redline.
There really aren't that many things that could be wrong here.
3rd or 4th gear 2k rpm and floor it and I should be at 5 to 6psi by 4k. Got it!!
And I'll double check the actuator rod in the morning. Thanks again guys.
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10-05-2008, 09:06 AM
#24
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Ok guys an update. I installed the bipes and boost gauge today (autometer 4301). Stock timing at 10. Bipes settings: Airflow retard 4, RPM set to start retard at 2500 RPM, air temp retard 1 degree for each 55 degrees F. When I fired her up vacuum on the boost gauge read 20 which from my what I've read on the site is about right but when test driving I couldn't get her to go into boost and thought with a 3" exhaust back it wouldn't take much to start spooling up. This may be a real stupid question but how high do I need to rev her up in each gear to get her to go into boost? Also, I've read on the site that I may have a leak which may be causing my problem. Any thoughts suggestions?
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10-05-2008, 11:31 AM
#25
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With the GT2554 turbo that comes in the "S" kit, you should be seeing the onset of boost no later than 2,500 RPM or so in the higher gears. In other words, put it in 3rd or 4th, get it to 2,000 RPM, and floor it. If you're not at maximum boost by 4,000 RPM, something is wrong.
Where exactly is the hose to your boost gauge connected to the system? Be as specific as possible.
As Steph said, verify that the wastegate actuator rod is firmly attached. Though even if it weren't, I'd expect a couple pounds as you approach redline.
There really aren't that many things that could be wrong here.
Where exactly is the hose to your boost gauge connected to the system? Be as specific as possible.
As Steph said, verify that the wastegate actuator rod is firmly attached. Though even if it weren't, I'd expect a couple pounds as you approach redline.
There really aren't that many things that could be wrong here.
Success!!!! I check the actuator rod and c-clip and both were in place, tightened all the hose clamps just to make sure I didn’t have a slight leak and took her out. Joe, I did exactly as you said and you were exactly right one of my four passes I did hit 5psi at around 4k rpm the other passes I was close. It’s kind of hard to look at the RPM, boost gauge and the bipes all at once. My final pass it looked like my oil pressure may have dropped a couple of psi but that’s probably normal since I was getting on it pretty hard and while driving home I didn’t see an oil trail so I don’t think any damage is done. Rafa just posted a reply regarding a possible leak and I’m thinking I agree with him so I’ll get better clamps to help with that. Finally, my timing is set to 10 but I may bump it up to 12 it seems like the sweet spot for my car. To all who posted on this thread, thanks alot you guys/girls are awesome.
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10-05-2008, 11:36 AM
#26
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Hey Rafa, I'm inclined to agree with you and want to get the better clamps can you give me an Idea of what I ask for at the parts store? Are they called T-clamps? Should I get them for the turbo all the way to the intake manfold or just for the clamps around the turbo? Thanks again for you imput.
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10-06-2008, 05:01 PM
#29
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I'm entering this thread a little late, but....
if the car has been stood for a while then the "pinging" is likely to be the HLA's, my car was the same but thankfully it quietened down after a few days use.
Is there not a "running-in" period with the Begi kit? ie. doing a few hundred miles with No boost as I had to do with my GReddy kit?
if the car has been stood for a while then the "pinging" is likely to be the HLA's, my car was the same but thankfully it quietened down after a few days use.
Is there not a "running-in" period with the Begi kit? ie. doing a few hundred miles with No boost as I had to do with my GReddy kit?
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10-07-2008, 05:01 PM
#32
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I'm entering this thread a little late, but....
if the car has been stood for a while then the "pinging" is likely to be the HLA's, my car was the same but thankfully it quietened down after a few days use.
Is there not a "running-in" period with the Begi kit? ie. doing a few hundred miles with No boost as I had to do with my GReddy kit?
if the car has been stood for a while then the "pinging" is likely to be the HLA's, my car was the same but thankfully it quietened down after a few days use.
Is there not a "running-in" period with the Begi kit? ie. doing a few hundred miles with No boost as I had to do with my GReddy kit?
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10-14-2008, 03:29 PM
#33
i just installed the begi-s on my completely stock 90 with 96 swap and have the car retarded 4 degrees and it runs great no ping/knock. but it does really rattle loud at certain rpms though pretty sure its the downpipe flex joint though
Im pretty sure your not giving it enough gas to make the boost your looking for but my turbo will have spooled up shortly after 2k rpm. Im running the 2554. Put the peddle to the floor and have a blast! lol
Im pretty sure your not giving it enough gas to make the boost your looking for but my turbo will have spooled up shortly after 2k rpm. Im running the 2554. Put the peddle to the floor and have a blast! lol
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