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Engine CC does not match Carb CC - what problems?

Tiny
DAVEVERA
  • MEMBER
  • 1988 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • MANUAL
  • 5,000,000 MILES
I am in Bangladesh. I have a 1988 Toyota Corolla station wagon. My carburetter had problems (mechanics told me) so I had to go buy a reconditioned replacement. Asked the vendor if it was OK, said it was. Asked the mechanics, said it was OK. A few days later things still aren't right with the car. Now mechanics tell me engine is 1300 cc and carburetter is 1500 cc. What will be the consequences? Thanks for any advice. Mileage not known. Lots.
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Saturday, November 27th, 2010 AT 1:35 AM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
What exactly is the car doing or the problem with it?
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Saturday, November 27th, 2010 AT 1:41 AM
Tiny
DAVEVERA
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  • 4 POSTS
Thanks. The car has less power, and does not accelerate as fast as it did. It seems to use a whole lot more fuel.
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Saturday, November 27th, 2010 AT 10:10 AM
Tiny
RASMATAZ
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Check the condition of the engine by doing an engine compression check -start here
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Saturday, November 27th, 2010 AT 4:18 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
What was car doing wrong before carb swap!
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Sunday, November 28th, 2010 AT 2:48 AM
Tiny
DAVEVERA
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My original question was about the consequences of having a mismatched carb CC and engine CC. You see, I don't want to drop myself in it.

The car had the same problems it has now, before the change of carb. But see again my first point.

Also, the oil light now comes on when I idle the car. It flickers. But there is plenty of oil (but not too much.) That is a new phenomena.
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Monday, November 29th, 2010 AT 4:16 AM
Tiny
RASMATAZ
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If the carb can bolt to the intake and adjusted properly and valve and ignition timing is correct-could be a problem with new carb's-accelerator pump, main metering and power circuit on it-try putting back the old one and see if the problems still exist if so its not coming from the new carb
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Monday, November 29th, 2010 AT 4:25 AM
Tiny
FIXITMR
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  • 9,990 POSTS
Oil light is likely because idle is slightly lower than before. Even if the carb bolts on it may not work exactly the same. More gas usage could be as simple as choke not releasing open all the way? Take your plugs out and look at the color. Should not be black or very white. Light brown/tan is good mixture sign. Also make sure if there is vacuum advance that it is connected to correct port on carb. No advance can cause slow acceleration and more gas usage.
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Tuesday, November 30th, 2010 AT 12:18 AM
Tiny
DAVEVERA
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Excellent advice, and thanks for it. I will take a day or two to check this out at my workshop. We have a national strike here in Bangladesh.
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Tuesday, November 30th, 2010 AT 3:32 AM

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