Join Date: Sep 2008
Location: Big Rapids, MI 49307
Spica with sure start cable
I have converted this 79 spider to electronic distributor, brand new bosch blue coil, and it has a sure start cable instead of the TA. I have three manuals on Alfas and have saved as much information from posts and the web regarding tuning.
1. Since I have a sure start, the need to warm up the car for tuning isn't needed, as long as I have the sure start set to warm running? Is this correct?
2. The actual warmness of the engine doesn't do anything without a operable TA?
I have gone through the tuning check list, step by step. The car starts and runs ok. Once timed at the M mark at 5000rpm and adjusted FCS at 2500-3000 RPM, it doesn't want to start without either putting the sure start into cold enrichment or enriching the fuel with the FCS. Once I have it adjusted to allow it to start, closing the sure-start for warming running, it dies.
My pump gap screw did have the plastic cap on it, but one side of the retaining wire was broken lose. I feel like I should suspect tampering, since I seem to be having some very nuanced tuning issues.
1. Theoretically, the pump gap screw doesn't actually make any changes to the mechanical workings of the Spica, it is just a reference?
2. If I need to increase the pump gap to get the engine to run, while the gap screw is not accurate, I might be moving the pump lever to the original intended position from the factory?
I ask this because, one tuning run-thru had the car running great, no hesitation, no back firing, nice idle. But I noticed that the sure start had been pulled out a bit and the pump gap was about double what it should be.
If I get it running and starting well, but my pump gap is off a bit, is that ok and I should assume the gap screw is wrong?
1979 Alfa Romeo Spider