Following on from my earlier post I bought a 32/36 DGAV off ebay - cleaned it out and fitted it. No problems in starting, auto choke switched off as it warmed up. However I could not get it to idle and slow running was poor. I put this down to a bit of dirt remaining in the idle circuit, especially as it would clear occassionally. It did so after a longer run on Saturday but it had no power - it crawled up hills that it normally rolls up easily!
So striped it down again, found the power valve diaphragm was faulty - not sure that this would reduce power as it appears to open a valve to richen the mixture when there is a low vaccuum.
Have replaced this, still not idling correctly and performance is still down.
Can anyone advise on appropriate jets? The ones fitted are as follows: Idle -45, Main 130/135, and air 170/125 which are roughly in agreement with what the Haynes manual suggests for a 2 litre pinto.
Incidently the engine appears to have a Piper fast road cam fitted, ignition timing is 6 degrees BTC as suggested for 1800 pinto (and 2 litre) on unleaded.
Any thoughts?
Nick
So striped it down again, found the power valve diaphragm was faulty - not sure that this would reduce power as it appears to open a valve to richen the mixture when there is a low vaccuum.
Have replaced this, still not idling correctly and performance is still down.
Can anyone advise on appropriate jets? The ones fitted are as follows: Idle -45, Main 130/135, and air 170/125 which are roughly in agreement with what the Haynes manual suggests for a 2 litre pinto.
Incidently the engine appears to have a Piper fast road cam fitted, ignition timing is 6 degrees BTC as suggested for 1800 pinto (and 2 litre) on unleaded.
Any thoughts?
Nick
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