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my 302 ran before i pulled the pan to replace the rear main seal. i had to prime the oil pump and re stab the dizzy before trying to start it. i have spark and gas but it backfires through carb and wont turn over. i made sure it was tdc by puling the plug and putting a wire in the #1 piston and i lined up the rotor at #1. still nothing. i even swapped the wires 180 on the dizzy with the same result.
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1970 Bronco 302 np435 3.5 lift 33s disc brakes ford 9 w Yukon locker -
Re: 302 wont start
I would think it would still be the timing -
Re: 302 wont start
X2 for timing. I'm not sure why you'd switch the wires 180. Take the cap off and rotate the rotor 1801973 Ford Bronco: 3.5" suspension lift, 2" body lift, NP 435/D20. Holley Projection, 4.56 gears.Comment
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Re: 302 wont start
Because I did this in the past, you didn't confuse #5 with #1. #1 is passenger side front and #5 is front drivers side.Marc D.
If you drive with rage, drive a cage.Comment
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Re: 302 wont start
I wish i had a buck for every time i did the timing or firing order wrong. go back to square one, tdc reset the dizzy, redo the firing order for your motor. non ho 15426378-
If it doesn't start first pop, have someone turn it over while you slowly rotate the dizzy advanced and retarded and if you stabbed it correctly you'll find the firing point.“I would rather be exposed to the inconveniences attending too much liberty than to those attending too small a degree of it.” TJComment
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Re: 302 wont start
It runs now, but only if dizzy is all the way advanced. I'm guessing one tooth off unless anyone has any other ideas1970 Bronco 302 np435 3.5 lift 33s disc brakes ford 9 w Yukon lockerComment
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Re: 302 wont start
What's the initial timing set at?1973 Ford Bronco: 3.5" suspension lift, 2" body lift, NP 435/D20. Holley Projection, 4.56 gears.Comment
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Re: 302 wont start
Probably so. You will probably need to realign the oil pump shaft when you do it. I use a 1/4 deep socket.Originally posted by jperry1290 View Post“I would rather be exposed to the inconveniences attending too much liberty than to those attending too small a degree of it.” TJComment
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Re: 302 wont start
8*btdc72 sport/exp.,TBI 302,NP435,4.56 Powrlok/ARB in Full Width's.5.5" CAGE lift w/arms,2'' bl,37's, rescued from the concrete jungle (L.A.) NEVER DONE!!! Sold to buy a Boat, Now Broncoless.....Now it's fast water,smooth women and cold beer!! toad jeep owner now,,,,,, sorry
ALL MY DRINKING BUDDIES HAVE A SEVERE BRONCO PROBLEM !!!
RIP MARK BECK RIP MY FRIEND! RIP GIZMO,My little Buddy.Originally posted by 71BRONCO71BULLSHIT! I love your meat in my mouth
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Re: 302 wont start
Got it running decent today. After the vacuum was back on the dizzy I was at 19deg btdc at idle. Sound about right?1970 Bronco 302 np435 3.5 lift 33s disc brakes ford 9 w Yukon lockerComment
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Re: 302 wont start
19* is way way to much, IIRC stock is 8-10* and for a little bump maybe up it to 12*. The late model guys that are concerned with daily driving and squeezing every last drop of fuel out it run 16* with a modified ignition system.72' in pieces and piles of awesomenessComment
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Re: 302 wont start
The 8-10* is with the vacuum disconnected.Originally posted by TRAILBOUND View PostMarc D.
If you drive with rage, drive a cage.Comment
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Re: 302 wont start
Your damper marks could be offComment
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Re: 302 wont start
What's your total advance?1973 Ford Bronco: 3.5" suspension lift, 2" body lift, NP 435/D20. Holley Projection, 4.56 gears.Comment
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Re: 302 wont start
Total is 19 w vac adv at idle. That was my earlier question, does that sound right?1970 Bronco 302 np435 3.5 lift 33s disc brakes ford 9 w Yukon lockerComment
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