Turbo
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Turbo
I have a 93 f250 with the factory garrett turbo. I can barley hear the turbo unless I really get on it but then you still have to listen closely. Iv read other forms and they all say straight pipe it and you'll hear it, but the truck already has a 3" straight pipe to an 8" stack. What else is there to make the turbo louder? All my other buddies have the same set up and theirs whistles at idle and you can really hear it spool. I'm wanting to run a 4" or 5" to an axle dump. Would that make it any better?
Cargo Master
Joined: Oct 2005
Posts: 2,298
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From: NJ
How many psi is it making? First determine if there is actually a problem. Any larger exhaust than your downpipe will not help with power, so 3" to 3.5" is all it needs.. If you're still running the factory crushed downpipe you should upgrade that first.
Wicked Wheels makes a compressor wheel that is lighter and a different profile which should help. Do that and fix your downpipe if it's a factory Ford setup and you should have a tangible improvement.
Wicked Wheels makes a compressor wheel that is lighter and a different profile which should help. Do that and fix your downpipe if it's a factory Ford setup and you should have a tangible improvement.
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At the moment I don't have any gauges hooked up but I am working on it. I believe these trucks make about 7-8 psi stock. I just talked to an exhaust place near me and they said they could set me up with a 3" downpipe to a 4" to an axle dump for only $200 so I will be fixing the exhaust up a little better soon and I am looking into the WW. Is there anything else I could do besides those things. I can't go much bigger with a turbo because iv read if these trucks go over 12ish psi stock you'll have problems down the road with head gaskets. Would a better intake help at all since it has the stock one on it?
Cargo Master
Joined: Oct 2012
Posts: 3,072
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From: California
You should spend some time reading this forum. A lot of your questions are frequently answered on previous threads.
Ultimately, you NEED at the very least an EGT guage and a boost gauge. It's dangerous to run a turbo without knowing what kind of EGT's you are running. If it's over 1200 deg F, you can cause irreparable engine damage.
Ultimately, you NEED at the very least an EGT guage and a boost gauge. It's dangerous to run a turbo without knowing what kind of EGT's you are running. If it's over 1200 deg F, you can cause irreparable engine damage.
Postmaster
Joined: Dec 2011
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Stock, the fuel was limited to basically NA levels, so the turbo adding extra air results in /lower/ EGTs than NA.
That's why they didn't come with a gauge from the factory, I think.
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