distributor #1 location

leloupis

Recruit
Joined
Jun 19, 2003
Messages
2
I've just done work on a mallory yl 520 cv distributor for a gm 307 v8 225 hp omc motor and i'm not sure where number one is on my distributor. The cap has no markings and it doesn't want to fire up. Any advice for a gumby? abelski@waterconsulting.com
 

a.d.mobile

Petty Officer 1st Class
Joined
Jul 15, 2002
Messages
326
Re: distributor #1 location

step 1. bring engine no 1 cyl to top dead center on compression stroke. do this by putting finger in no 1 hole and bump motor over you will fill it suck and then start to blow align marks on balencer to tab ths will be TDC on comp stroke. <br />step 2 follow no 1 spark plug wire to the cap mark cap.<br />step 3. place cap on dist where cap and wires fit the best mark the dist housing where this is.<br />step 4. install dist point rotor to mark on housing drop dist. if it dont drop all the way roll motor over to align oil pump shaft.<br />step 4. set base timming.<br />try that no 1 can be anywhere on the cap as long as it starts with 1 and follows fireing order and corect rotation. hope it helps A.D.
 
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