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Loss of Power

  • kenswheels
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23 May 2021 22:46 - 23 May 2021 22:47 #43245 by kenswheels
Loss of Power was created by kenswheels
I'm having trouble with my 36 852 Cabriolet losing gas pedal response on the freeway at 50+ mph. It starts jerking, slowing, backfiring. It runs like a champ at lower speeds in all gears. Once I stop and start again, it runs great until I hit the 50+, especially if climbing a hill.

I have no idea where to start looking.

Ideas?
Last edit: 23 May 2021 22:47 by kenswheels.

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24 May 2021 01:38 #43247 by pete kelly
Replied by pete kelly on topic Loss of Power
Sounds like a fuel problem, sediment bowl screen, pump, tank pickup, etc
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24 May 2021 13:50 #43256 by rlwardne
Replied by rlwardne on topic Loss of Power
If this is the correct
Carb I would check the high speed circuit setup. It’s kind
Of different. Does it blow
Black smoke when this happens? If not it’s more a lean condition by your description. Fuel
Pump maybe failing and need to be rebuilt. I have a V12 where the pump was rebuilt but I believe the cam lobe may be worn and not giving it full stroke.
If I hit the electric pump it will
Really go.
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24 May 2021 15:00 #43258 by kenswheels
Replied by kenswheels on topic Loss of Power
Thank you!

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25 May 2021 00:40 #43259 by Red Brick
Replied by Red Brick on topic Loss of Power
Could be the distributor (or in it)

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25 May 2021 03:58 #43260 by mikespeed35
Replied by mikespeed35 on topic Loss of Power
I agree, lack of fuel for some reason. I had this problem last week with a car. Piece of crap in main jet. Do you have a electric pump? Fuel filter? If you have a mechanical pump make sure the diaphragm isn't failing and putting fuel in crankcase.
CORDiallyMike

Mike Huffman

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