Dist mods

[Don Dulmage <big-d@xxxxxxxxxxxx>]

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Dist mods still need to be done whaether you elect to use the vacuum advance or not.. It can be done either way but the bottom line is you need |(with anything other than a very mild cam) 34 to 36 degrees total advance and you need it earlier with a cam. 
A 400hp 440 would be hard to do. A bone stock one with a set of headers would be already there. (375 + 25 HP) and the combo could use a stock distributor as delivered from the factory. 
The addition of a good intake (IE Performer RPM) would add easily anothe 25 HP and that would ot affect advance requiremnets. A cam under 500 lift would not normaly have enough Duration to require full distributor mods (but not always) but would benifit from a quicker advance curve. 
Anything past that will really wake up with distributor mods. 
So why not tell us what cam you have and we could give a better answer. 
Any cam other than stock or an RV cam requires more intial without adding more total. This really really wakes up the engine , makes it easier to drive and puts the bottom end back in the engines power range. 
I hope this helps. Still the decision is yours. If you are happy with your idle quality, your bottom end performance and general perfomance then that is fine . However if it wants to stall when in gear and you have to keep giving it gas to keep it running and it is a dog out of the hole to about 2000 to2500 RPm then do the dstributor. 
Don 
Author of
Return to Deutschland (True Adventure)
Old Reliable (Mopar)
http://stores.ebay.ca/Don-Dulmage-Enterprises
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