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AlfaDon 
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Joined: September-18-2011 Location: San Leandro, Ca Status: Offline Points: 407 |
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 Topic: New CamPosted: July-07-2024 at 11:31am |
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Hi,
I've got a GT40 engine that needs a valve job and I'm considering putting in a mild cam at the same time. Does anyone know if the stock ECU tolerate the change? Thanks, Don
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pjsmoreno
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Joined: April-25-2016 Location: Liberty, Mo Status: Offline Points: 182 |
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Posted: July-08-2024 at 11:40am |
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When I put a mild cam in my 98 Dodge Ram on a rebuild, I had
to have the ECU adjusted/reprogram. Even with the manufacture of the cam says I
didn’t need to. So, your situation may be different but you won’t know until
you start it up as it was in my case. I’m
sure someone else with more experience will have a better answer than mine. But
that is what I experience. |
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MrMcD
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Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3750 |
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Posted: July-08-2024 at 12:58pm |
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I believe over the past 10 years several have modified GT40 engines for more power. Some changed from 351 to a 408. Some just added a larger cam. Seems to me they had issues trying to get the correct idle performance. The Ford system used for fuel injection is not tuner friendly. I was hoping some of those that tried to modify would jump in.
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AlfaDon
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Joined: September-18-2011 Location: San Leandro, Ca Status: Offline Points: 407 |
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Posted: July-14-2024 at 9:30am |
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Hi, Thanks for the responses and sorry for the delay. I thought I did it already
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gun-driver
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Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4127 |
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Posted: July-14-2024 at 10:30pm |
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I put a cam from Cam Research in my ‘95 Signature Edition it was a little more aggressive than stock and it ran great.
I believe the grind number was CR 272.
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