429 timing issue

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Dec 28, 2004 | 10:22 AM

tallone

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429 timing issue

I put a 429 in a 78 F-150, runs great....... BUT, it keeps blowing out the ecm, any suggestions?????? Changed the ecm and distributor to a 460 model.

Dec 28, 2004 | 02:12 PM

fordfury469

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From: Idaho cda postfalls

whats it doing, blowing out the ecm, just stops working.what kind of ignition is on the 429 before the 460.

Dec 28, 2004 | 02:26 PM

tallone

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Good news. I got it figured out.

The 429 was out of a 68 T-bird, points, etc...

You'll never belive what fixed it.

First: I put it on TDC, pulled the distributor and mad sure the rotor was pointed to # 1 plug, put the cap back on, rearranged all the plug wires. The # 1 plug wire is now back by # 8 plug, like its 180 out,da.....strated now and runs great,
go figure........

Dec 28, 2004 | 02:36 PM

SRD4X4

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From: Annapolis,MD.

68' 429 Thunderjet,SWEET.How was it wired before?No. 1 should have been just before the clip on dist.,15426378.

Last edited by SRD4X4; Dec 28, 2004 at 02:45 PM.

Dec 28, 2004 | 03:56 PM

Mil1ion

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Head's Up

We have engine forums for engine questions.

Please read the Read First threads attached to the top of this forum

Dec 28, 2004 | 05:31 PM

Brad Johnson

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Glad you fixed it. Just wanted to chime in and help you a bit with some terminology.

ECM stands for Engine Control Module or Electronic Control Module, and is usually used in reference to the computer "brain" that controls fuel delivery, timing, and other factors on injected engines. If you have a points-type ignition system then you don't have an ECM. Points were phased out in favor of solid-state magnetic pickups a decade before computerized engine controls were becoming common.

Brad