Author Topic: FE 427 - timing curve  (Read 948 times)

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priobe

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FE 427 - timing curve
« on: February 20, 2023, 06:10:30 PM »
Hello all

I would like to know if anyone has a timing curved map that they would like to share. I am looking for drivability.

I have a Progression Ignition that so far I absolutely love. MSD missed the boat on this technology, on my 427 FE with 48 Weber carbs. Currently I have not hooked up the map sensor but plan on combining all the vacuum signals to route to the map sensor.

So far the car runs a lot stronger and is more predictable and definitely has street manners.

I’m not looking to debate, but I know this works for me. I’m just trying to see how much manners I can  teach this motor and still have the power that it has.

From here I can change the mapping to be more aggressive for better fuel or reduce the aggression with lower quality fuels.

I would love to hear some feedback on this topic or distributors.

Thanks

MeanGene

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Re: FE 427 - timing curve
« Reply #1 on: February 20, 2023, 08:42:18 PM »
Contact Faron Rhoads aka Dalton Roadhouse on FB- he is The Man

Falcon67

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Re: FE 427 - timing curve
« Reply #2 on: February 24, 2023, 02:35:25 PM »
I run everything locked and use start retard.  That includes the street/strip car.  I prefer crank triggers, personally.

cammerfe

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Re: FE 427 - timing curve
« Reply #3 on: February 26, 2023, 01:15:49 AM »
Plus one on crank triggers.

KS

Joe-JDC

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Re: FE 427 - timing curve
« Reply #4 on: February 26, 2023, 10:19:54 AM »
Distributor curve per Ford Muscle Parts that has worked just fine for me in the past.

Distributor rpm  250       500     1000     1500     2000       2500
                        0*       1 3/4*   7 3/4*   10*      12 1/4*   14 1/2*

Initial advance 12-14*  Total timing with iron heads 38*  Aluminum heads ~34* depending on combustion chamber design.
Yes, some iron heads will make the most power at 41-42* total timing depending on the engine.

Joe-JDC
Joe-JDC '70GT-500