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For those who wish to help get MSD to manufacture a Distributor for the 300 & 223 I-6's, I've started the ball rolling on it.
I spoke to a Tech named Joe & he told me to get back to him in 2 weeks as that is how long it would take for the query to go through chanels.
Here is his # for those of you who wish to call & back my play on this.
Joe @ 915-857-5200, ext. 2212.
Have you considered a Mallory? They make distributors for the 300 and personally, I would much prefer a Mallory over an MSD. In my experiences (although not on a 300) they are more adjustable and easy to modify. For example, changing the advance curve takes about 30 seconds with a simple swap of springs. I'm not sure how adustable the advance curve is on any MSD distributor. I have limited expereince working on a MSD billet distributor, but a signifianct amount with a Mallory - My vote goes for the Mallory. When its time for me to build my carbureted 300 - I'm planning a Unilite model (optical pickup - no points) with Vacuum Advance.
Sorry, I'm not trying to hijack your post, but perhaps this will open a discussion on the difference between Mallory and MSD and which is preferred more.
I'm not certain that the difference is so much between the MSD and Mallory as it is between what engine the distributor is for. Some engines have the springs and weights right on the top where they're easy to change, others bury them as far down as possible. My luck so far has me in favor of MSD ignition components.
... what engine the distributor is for. Some engines have the springs and weights right on the top where they're easy to change, others bury them as far down as possible.
By "some engines" having different spring locations - do you mean as far as the types of aftermarket distributors available, or the factory style? I'm a little confused as to what you mean.
In an Aircooled VW Mallory, for example, the springs are very easy to access - just remove the cap and rotor. I could only assume that all Mallory distributors are designed similar to this, but I've yet to purchase one for my 300 and see what it is actually like.