98Ranger3L
New Member
- Joined
- Aug 21, 2018
- Messages
- 15
- Reaction score
- 0
- Points
- 0
- Location
- Santa Cruz, CA
- Vehicle Year
- 1998
- Make / Model
- Ford
- Engine Size
- 3.0
- Transmission
- Automatic
Hoping the right knowledgeable savior can help me with my issue. Have a 1998 3.0L Ranger. At 235k installed reman’d ATK / Gearhead Engines and updated to the newer 2003-2008 3.0L long block, it’s bored +1.0mm so ~3.07L actual. Used all original manifolds, have driven it 5k miles so far, but there’s a code and poor mileage which I’ve been unable to resolve.
Can anyone please confirm is there's anything fatally wrong with updating to the newer long block? Believe it's possible and recommended. Driving strong and well so far.
Before discussing the specific code and the massive effort I’ve put in trying to resolve it, I’d like to confirm these basic items which could be the root of the issue.
Can anyone factually confirm the harmonic balancer timing/tone gap/actual TDC alignment so these items are confirmed correct before going further?
I was chasing some issues on the old engine prior to replacement and replaced the Harmonic Balancer. The stock Ford balancer for 1998-2008 3.0L is Ford # F7DZ-6316-AA. This was discontinued, and I installed Dayco PB1488N on the old engine which was running fine without any code issues.
The 2003-2008 3.0L also uses the same Ford # F7DZ-6316-AA so believe there’s no compatibility issues there with the recommended Dayco PB1488N.
What I am finding that is strange, but believe how the engine is designed, is that the #1 Actual TDC is 60° later than the Harmonic Balancer 0° mark.
When actual TDC is lined up with the timing mark, the keyway on the balancer shows at 12:00 from the balancer info, which I believe is also correct. Have NOT removed my balancer bolt to confirm that actually, just from images.
Why is the Actual TDC 60° later than the Balancer 0° mark?
Can anyone confirm these aspects of my engine seem correct and the computer knows the Actual TDC based on the balancer tone gap reading from the Crank Position Sensor?
Ignition timing measured by timing light on #1 wire seems correct to Actual TCD and is firing ~12° BTDC. So the engine running and ignition timing correct seems like many things are correct, trying to rule out any root issues with the balancer / tone gap location.
Photo shows the actual TDC location vs Balancer 0° mark and the balancer aligned with Actual TDC to the cover timing mark.
Thanks in advance for any help that can be provided. This site has always been great so far and hoping I can resolve this long nagging issue.
Thanks,
Todd
Can anyone please confirm is there's anything fatally wrong with updating to the newer long block? Believe it's possible and recommended. Driving strong and well so far.
Before discussing the specific code and the massive effort I’ve put in trying to resolve it, I’d like to confirm these basic items which could be the root of the issue.
Can anyone factually confirm the harmonic balancer timing/tone gap/actual TDC alignment so these items are confirmed correct before going further?
I was chasing some issues on the old engine prior to replacement and replaced the Harmonic Balancer. The stock Ford balancer for 1998-2008 3.0L is Ford # F7DZ-6316-AA. This was discontinued, and I installed Dayco PB1488N on the old engine which was running fine without any code issues.
The 2003-2008 3.0L also uses the same Ford # F7DZ-6316-AA so believe there’s no compatibility issues there with the recommended Dayco PB1488N.
What I am finding that is strange, but believe how the engine is designed, is that the #1 Actual TDC is 60° later than the Harmonic Balancer 0° mark.
When actual TDC is lined up with the timing mark, the keyway on the balancer shows at 12:00 from the balancer info, which I believe is also correct. Have NOT removed my balancer bolt to confirm that actually, just from images.
Why is the Actual TDC 60° later than the Balancer 0° mark?
Can anyone confirm these aspects of my engine seem correct and the computer knows the Actual TDC based on the balancer tone gap reading from the Crank Position Sensor?
Ignition timing measured by timing light on #1 wire seems correct to Actual TCD and is firing ~12° BTDC. So the engine running and ignition timing correct seems like many things are correct, trying to rule out any root issues with the balancer / tone gap location.
Photo shows the actual TDC location vs Balancer 0° mark and the balancer aligned with Actual TDC to the cover timing mark.
Thanks in advance for any help that can be provided. This site has always been great so far and hoping I can resolve this long nagging issue.
Thanks,
Todd
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