HEI is GM term not fORD most fords then are DuraSpark.!
what is OMC? is this a UK truck or something, 5.0Liters
NO MODEL FORD TOLD.
Here in USA we buy the paper book by maker ford
model ?
is OMC a model car, or pickup truck or SUV or? what
we then find 1977 , 46 year old books, not easy. ever.
google might, ever try googling it and put country in the search too.
cars and engines and smog and spark parts are not the same all over earth ever.! (FACTS)
OMC here means outboard motor co.?
I do guess car is in UK, but not told.
just buy the book on EBAY for UK. if I guessED UK correctly.
This is all in the service manual;
but gee all are in paper then, unless wild men scanned a few pages. no PDF digital in year 1977 , mostly not until 2000 year
that means any digital found iN scans, ARE INCOMPLETE.
1000 PAGE BOOKS ARE CRAZY HARD LABOR TO SCAN.
the manuals real, are sold used (and rare) on ebay buy one
I would for sure.
I am not clear on 3 things, what the problem is and what diagram means. (mech Assemble, electrical schematics or timing steps.)
my guess is you want to TIME IT?
or rewire it or what?
the DIzzY then are timed at crank pulley set to TDC zero degree mark.FIRING., then learn rotor direction(crank it and see,first )
then mark rotor #1 spark plug
and do mark the cap #1HV terminal first (use a sticker)
or the job gets harder, and CCW for 1 is 5 OKAY?
then lay down the HV wire set 1 to max, using correct firing order below.
then
there are 2 DIZZY planting instructions
1: pulled dizzy crank shaft not turned. and cap marked first.
2: pulled dizzy out then crank was turned later .OOPS
history FORD usa, 5L
1961 was first 5.0L: here,. 302 named
(from 1968-2000) with a displacement of 302 cu in (later marketed as 5.0 L). later still ford changed spark parts from 351 to 302 ,
The 302 was manufactured in Windsor from 1968 to 1978. Ten years of manufacture was punctuated by several design changes, some small or larger. In 1970, the manufacturing of the engine was moved from Windsor, Ontario to Cleveland, Ohio
. USA facts only.okay, the world is huge no? as aer ford variants.
From the 1978 car model year, the 302 became more commonly known as the 5.0 Liter
seen in lots of mustangs.
so if is a mustang we buy the mustang service manual
and bliss happens, (facts hard and cold and all steps on any dizzy is there) by year. and the timing is not the same in calif as our FED engines. same steps but not same, BTDC timing advance.
1977 STANG or F150 PU or F100 PU or bronco.
pre 1986 firing order is unique below.
rotor is CCW directly (turns) some call it the non HO engine.
early 1-5-4-2-6-3-7-8,
SM quoted and pasted. just one car, a Bronco. (i had to guess)_
worst case is DISTURBED
If the crankshaft has been rotated while the distributor was removed, the distributor must be timed with respect to the crankshaft.For Conventional and Transistor ignitions: Rotate the engine until the No. 1 piston is at TDC of the compression stroke. Position the distributor in the block with the rotor in the No. 1 firing position. Rotate the distributor until the points just about open.NOTE
Make sure the oil pump intermediate shaft properly engages the distributor shaft. It may be necessary to crank the engine with the starter after the distributor gear is engaged in order to engage the oil pump intermediate shaft.For Electronic ignition systems: Rotate the engine until the No. 1 piston is at TDC on the compression stroke. Align the correct initial timing mark with the pointer on the crankshaft damper. Position the distributor in the block with one of the armature segments aligned with the pickup on the stator and the rotor in the No. 1 firing position. The terminal housing is marked with an embossed "No.1" at the No. 1 terminal.
NOTE
Make sure the oil pump intermediate shaft properly engages the distributor shaft. It may be necessary to crank the engine with the starter after the distributor drive is partially engaged in order to engage the oil pump intermediate shaft. If the previous step was necessary, return the crankshaft to the initial timing alignment.
Install retaining clamp and bolt or retaining bolt and lock -washer, but do not tighten. On electronic ignition distributors, rotate the distributor to advance the timing to the position where the armature tooth is properly aligned.Connect primary wire and install distributor cap.Check and reset ignition timing as described below.Tighten hold down clamp bolt or retaining bolt.Connect vacuum hose (s). this paste is 1977 bronco 302.
they had like 3 distributors then, and only the service manual covers all 3. and more outside USA
Here's a mechanical blow-up of an 80's 351w engine.
and the firing order layout.
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