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1967 Questions for all other cars Carburation

Tiny
CASHANAB
  • MEMBER
  • 1967 ALL OTHER MAKES ALL OTHER MODELS
  • 4 CYL
  • 2WD
  • MANUAL
  • 67,000 MILES
The MG Midget idles smoothly. It revs smoothly. When I drive around it runs fine until I get to around 4500 rpms then it starts to bog down. Almost like the mixture is wrong but when I choke it it doesn't help.
Thursday, April 24th, 2008 AT 4:48 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the main metering circuit/power circuit of the carbuerator/also the fuel pressure. If unable replace the Carb.
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Thursday, April 24th, 2008 AT 4:52 PM
Tiny
CASHANAB
  • MEMBER
  • 2 POSTS
There are no electronics to these carbs. They are dual SU1 carbs that are strictly manual. The only electronic in the mix is the fuel pump which seems to be working fine.
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Friday, April 25th, 2008 AT 9:03 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Did you check the fuel pressure. A Carb has 5 circuits and I'm not talking about electronic type feedback.

Try testing the ignitiion coil.
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Friday, April 25th, 2008 AT 4:31 PM

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