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I was driving my 80 EC on the highway for the first time since rebuilding the engine and installing a used 700R4 tranny. I was in OD cruising about 60 or so (speedo is messed up with wrong gears in tranny) for 20-30 minutes when I started up a gradual rise. The car started bucking and jerking and losing power so I pulled over.
Temperature was below the 220 mark, oil pressure was 50 psi, battery was 13.8 volts, engine was idling fine. I looked under the hood and everything looked OK. Got back in car and goosed the throttle - sounded good, so I drove on.
Drove down the other side of the slight hill and started up the next rise. It started bucking again. I downshifted to D from OD and the bucking stopped. As the hill grew steeper the bucking started again, so I shifted down to 2 and the bucking stopped again.
Arrived at my destination and spent about 30 minutes there and then left. Drove home with trans in D and had no bucking, but I noticed the speedo was no longer working (it had been working before all the bucking started).
Arrived at home and checked the trans fluid level. It appeared low so I added maybe a quart. Haven't driven it since. I need to find out what happened to the speedo.
So, four questions:
1. Could low fluid level cause the bucking?
2. Why was it worse in OD?
3. Fluid level gets checked with engine running? In Park, Neutral, or Drive if running?
4. Any idea what happened to the speedo?
Jack
[edit] I have the correct TVE cable brackets for the 700R4 on the Holley carb and manifold and have adjusted the TVE cable properly.
Temperature was below the 220 mark, oil pressure was 50 psi, battery was 13.8 volts, engine was idling fine. I looked under the hood and everything looked OK. Got back in car and goosed the throttle - sounded good, so I drove on.
Drove down the other side of the slight hill and started up the next rise. It started bucking again. I downshifted to D from OD and the bucking stopped. As the hill grew steeper the bucking started again, so I shifted down to 2 and the bucking stopped again.
Arrived at my destination and spent about 30 minutes there and then left. Drove home with trans in D and had no bucking, but I noticed the speedo was no longer working (it had been working before all the bucking started).
Arrived at home and checked the trans fluid level. It appeared low so I added maybe a quart. Haven't driven it since. I need to find out what happened to the speedo.
So, four questions:
1. Could low fluid level cause the bucking?
2. Why was it worse in OD?
3. Fluid level gets checked with engine running? In Park, Neutral, or Drive if running?
4. Any idea what happened to the speedo?
Jack
[edit] I have the correct TVE cable brackets for the 700R4 on the Holley carb and manifold and have adjusted the TVE cable properly.