Mk1 1988 1.8L

[Davin_L]

Okay so I just bought a MK1 1988 1.8L , the motor revs fast and all but it lacks power. My friend has a 1.6L Mk1(Deco) and he murders me and we are both running stock motors. Only difference is he has a free flow and thats about it. Is there something im missing something ? Car has about 197K Km on it.

[Carel040]

What car is it

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[Ashveer03]

Check if the carb second stage and the vacuum timing advance on the distrtibutor is working..

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[Davin_L]

Check if the carb second stage and the vacuum timing advance on the distrtibutor is working..

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How would one check this??

[Ashveer03]

The carb second stage is kind of difficult to check..
If u feel the car is kind of dead at higher rpm (3000+), then its probably not working. Check the vacuum pipes and all connecting parts to it. There are some other threads explaining it.

With the timing, the best way i think is with a timing light. If u dont have one, i guess u could just probably suck on the distributor vacuum pipe and check for the advance mechanism movement inside the distributor cap.

The original vw carbs are not the best for performance.. I would rather go with a weber 32/36 carb on a stock motor. Got a mechanical second stage, gives some power and not too bad on fuel

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[Davin_L]

The carb second stage is kind of difficult to check..
If u feel the car is kind of dead at higher rpm (3000+), then its probably not working. Check the vacuum pipes and all connecting parts to it. There are some other threads explaining it.

With the timing, the best way i think is with a timing light. If u dont have one, i guess u could just probably suck on the distributor vacuum pipe and check for the advance mechanism movement inside the distributor cap.

The original vw carbs are not the best for performance.. I would rather go with a weber 32/36 carb on a stock motor. Got a mechanical second stage, gives some power and not too bad on fuel

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Okay what would I need to modify or buy extra for the weber carb??


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[Ashveer03]

U get adapter plates.. speak to MarsBarz he has a complete intake for sale

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[Davin_L]

U get adapter plates.. speak to MarsBarz he has a complete intake for sale

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Thanks. I checked the vacuum and it looks all good


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[Ashveer03]

Is the timing advance working?

U can also check the second stage diaphragm on the carb

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[Davin_L]

Is the timing advance working?

U can also check the second stage diaphragm on the carb

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My does ping when I floor it so I assume I need to retard the timing??


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[Ashveer03]

Yes.. retard a little at a time

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