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EGR troubles 


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 Post subject: Re: EGR troubles
Posted: Wed Aug 19, 2009 6:40 pm 
Getting Side Ways

Posts: 698

Joined: 1st Jan 2006

Ride: Lots, all Fords

Location: Hamilton
New Zealand

Yep, like I said, Open loop (WOT) closes EGR. At other times the engine runs closed loop and corrects itself. These corrections are learnt and used for future engine operation.

The guy is presumably driving a DF so it's going to be running on the fat side of 14.7:1 anyway, and these early 5.0's respond well to a timing bump. Sounds like some good reasons to block the EGR flow....

And FWIW I don't get a hint of detonation in my EGR eliminated 5.0 with base timing at 34 and running regular 91 octane fuel. I rebuilt the engine about 50,000k's ago (with flat top pistons, rather than dished) so it's still nice and fresh, and not a compression compromised engine.



XA Faimont 351C, AU2 XR8 Manual 5.0, DA LTD 5.0, Mk1 Capri 5.0, 1995 Mustang 5.0, EF2 XR8 Manual, EF2 Fairmont Ghia 5.0, AU3 XR8 Auto, AU2 XR8 Auto, AU2 XR8 Manual Ute, TE Cortina 5.0 Manual, DU LTD 5.0 soon to be manual

 Post subject: Re: EGR troubles
Posted: Thu Aug 20, 2009 12:49 am 
EFI Guru

Age: 51

Posts: 4186

Joined: 5th Nov 2004

Gallery: 24 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

You're missing the point read my post again.
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