engine timming marks
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Mountain Pass
Joined: May 2010
Posts: 118
Likes: 3
engine timming marks
Have a 351m in a 78 f150 went to look for the - btc - marks on the piece above harm bal. it has no #s for deg of timming is this standard for this year and if so would i time it to the point of the metal that overlaps the harm bal. wonder since my other Fords have all had #s.
Having hard time with figuring the 14 degs since no marks, need input as to why lack of marks and were to line up so its on time . is it possible to time it with vacuum guage to intake man.?
perplexed and needing help !!!
Having hard time with figuring the 14 degs since no marks, need input as to why lack of marks and were to line up so its on time . is it possible to time it with vacuum guage to intake man.?
perplexed and needing help !!!
Last edited by three on the tree; Jun 12, 2010 at 05:07 PM. Reason: incomplete
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
Again, as Mark said the marks are not on the metal plate, they are on the balancer. There will be numbers (degrees of crankshaft rotation relative to TDC, before and after) stamped next to the marks. If the balancer is dirty, the marks are very hard to see. The metal plate is just the pointer, the tip of which points to the mark on the balancer. There are no marks on the pointer.
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Mountain Pass
Joined: May 2010
Posts: 118
Likes: 3
thanks Mark
was out sanding after i wrote the previous reply and found them. Painted with white,
timed and adjusted carb for vacuum - only get about 16 so will do old tried and true adjust till ping and back away to see if it helps the vacuum total - replaced all lines so as to catch anything old . Will find out if its just old engine lol
was out sanding after i wrote the previous reply and found them. Painted with white,
timed and adjusted carb for vacuum - only get about 16 so will do old tried and true adjust till ping and back away to see if it helps the vacuum total - replaced all lines so as to catch anything old . Will find out if its just old engine lol
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