More Boost
Thread Starter
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Senior User
Joined: Jan 2002
Posts: 171
Likes: 0
From: Texas
More Boost
I have a 99 PSD 6-Speed i have a 70 hp ship k&n filter straight exhaust. when i hammer on it it goes to about 26 lbs boost. what else can you get to get about 27-29 lbs. my cousin got a 100 hp chip from diesel injection service and they gave him a boost tube with his chip. would that help any?
Post Fiend
Joined: Jan 1997
Posts: 23,165
Likes: 18
From: Enjoying the real world.
More Boost
Push 100HP through a truck with a chip and you're asking for trouble. You HAVE to have an exhaust system added and you must use an EGT gauge plus you shouldn't tow with it. Its just too much heat. I got off the phone today with a customers who's buddy just got denied warranty coverage for melting the turbo with a 100 WD chip after pulling a boat to Florida. I won't sell that high and I don't like selling 90HPs.
Thread Starter
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Senior User
Joined: Jan 2002
Posts: 171
Likes: 0
From: Texas
More Boost
he does not tow anything with his, and he has the same set up as i do (k&n,straight exhaust) but i have gauges in mine. i just wanted to get somthing where i can get more boost.
Posting Guru
Joined: Feb 2001
Posts: 1,465
Likes: 2
From: Indianapolis
More Boost
Your truck engine is already over boosted -- if that weren't true, you wouldn't have a waste gate on the turbo. Getting more boost on a diesel engine doesn't automatically give you more power as it would on a gasoline engine. You need more fuel to get more power and more fuel will automatically give you more boost because of increased cylinder pressures, up to the maximum volumetric effeciency. Increased boost will also mean higher turbine speeds. You need to be careful not to overspeed the turbine, trashing the bearings and blowing the turbines apart through centrifugal force.
