- Joined
- Feb 5, 2014
- Posts
- 4,560
- Reaction score
- 3,815
- Location
- Kentucky
- First Name
- David
- Truck Year
- 1986
- Truck Model
- K10/LM7 5.3/4L60e/np208/3.73/32"
- Engine Size
- 10 yrs Air Force
While sitting at a light to turn left or right, if I get into it hard (under 4k rpm's) it will slip out of gear at times and just zing until I let off the gas and then go into 2nd gear.
The other day, getting onto the interstate, I had to get onto it a bit more than just the standard "kick down" and it went into first and zinged, let off and it went into 2nd.....but never shifted into 3rd until I let off the throttle fully. I've never had this engine at 5k rpms until then.
I'm guessing I've got 80k miles on it, but the fluid has been changed multiple times due to engine swaps.....fluid is purdy pink, but have never changed the filter. Most recent fluid change was due to a rubber hose popping off and running it close to dry in half a mile (last year). This issue was happening before that so that isn't the cause.
It only does it when I'm turning and taking off (up to temp or not).
[EDIT] forgot to mention, stock radiator and B&M cooler next to passenger headlight. Also, I got the engine/trans at ~120k miles and have the 80k mentioned above on top of that. But it does have a stamp on it and appears to have been rebuilt.
Ideas?
Thanks In Advance
The other day, getting onto the interstate, I had to get onto it a bit more than just the standard "kick down" and it went into first and zinged, let off and it went into 2nd.....but never shifted into 3rd until I let off the throttle fully. I've never had this engine at 5k rpms until then.
I'm guessing I've got 80k miles on it, but the fluid has been changed multiple times due to engine swaps.....fluid is purdy pink, but have never changed the filter. Most recent fluid change was due to a rubber hose popping off and running it close to dry in half a mile (last year). This issue was happening before that so that isn't the cause.
It only does it when I'm turning and taking off (up to temp or not).
[EDIT] forgot to mention, stock radiator and B&M cooler next to passenger headlight. Also, I got the engine/trans at ~120k miles and have the 80k mentioned above on top of that. But it does have a stamp on it and appears to have been rebuilt.
Ideas?
Thanks In Advance
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