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Apr 13, 2007 | 09:12 PM

zigzkidz

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Joined: Jan 2007

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From: Butler, PA

Direct Injected

Is there any possible way to make a 6.9 IDI into a 6.9 Direct Injected

Apr 13, 2007 | 09:25 PM

vtjvt

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From: Bountiful UT

Short answer NO!!

Apr 14, 2007 | 02:30 PM

Dave Sponaugle

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From: Nutter Fort, WV

Long answer is almost no.

You can cut the precup almost out, but it is not very driveable that way.
Starting is very hard.
Idle is not very good.

Apr 14, 2007 | 08:47 PM

zigzkidz

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From: Butler, PA

could u get different heads to redirect the injector to the top of the piston

Apr 14, 2007 | 10:52 PM

matts156

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From: New Jersey

I don't think these injectors are capable of withstanding direct exposure to the combustion chamber.

Last edited by matts156; Apr 14, 2007 at 10:57 PM.

Apr 14, 2007 | 11:02 PM

David85

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From: Campbell River, B.C.

I think you would also need higher injection pressure than these fuel systems are capable of.

Apr 15, 2007 | 03:28 AM

Dave Sponaugle

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From: Nutter Fort, WV

If you cut the precup opening bigger the injector would spray into the cylinder.
But since you lose starting ability and driveability, you lose more than you gain.

It can be done, but it is not a good idea.
There are better places to put the money that give a better return.

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Apr 15, 2007 | 12:44 PM

matts156

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Joined: Aug 2005

Posts: 566

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From: New Jersey

I'd be willing to bet that timing would be a huge issue. I doubt that the factory timing adjustments would work. The question would be: what would it need to be set to?