Thanks again to all for your help with me ignition problems. I'm happy to report that Bugsy is running now better than he ever has in the 5+ years I've owned him. Pulling the distributor once again I
Non-vacuum advance distributors are more rare and some feel that they are a performance upgrade. They were originally used on Cooper S and some other factory performance engines. But, they are not ne
On the street, vacuum advance is all about part-throttle economy. The vacuum advance module adds a certain amount of advance on top of what the mechanical advance gives you based on the vacuum signal
So, I've got a single HIF44 on my 1275 with a 266 cam and ported head. I am using a Mallory dual point distributor. If what you are saying is true, I am wasting gas except at WOT. The brand new S.U.
Your options are whatever distributor you want. Lucas, Mallory, Nippon(Isuzu), Hitachi(Nissan), 123, FlameThrower, or whatever you desire can be made to work. I've had Lucas, Hitachi, and Nippon on
According to the APT web site: For maximum performance from your British Sports car engine the timing of the spark must be accurate, and when compression ratio and camshaft in particular are changed
The rolling road will only tell you which one distributor's mechanical advance is currently curved and set better for performance on your engine. The vacuum advance will not even enter into the pict