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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

84 302 engine vibration?

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Old Jan 28, 2008 | 12:44 AM
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Question 84 302 engine vibration?

my brother in law has a 1984 ford f150-302 rebuilt the motor and it has a bad vibration?? he thinks maybe -flywheel/flex plate or harmonic balancer-they were off diffrent year truck-I got 2 old trucks-1987 and 1994 302- will the harmonic balancers and or flex plates work off them???-trying to help him out and save him a few bucks!!I was not around when he did the re build but it has been 2 years since and he is starting to get worried-I figure it must be external problem-since it has been 2 years and motor is still together????
 
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Old Jan 28, 2008 | 12:50 AM
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There are 2 different setups for the 302. I cannot remember the exact year they changed, but some are 28oz off-balance and the others are 50oz off-balance.
Mixing these together will indeed cause a bad vibration.
Do you know what year the crankshaft is? You will need to know which crank the engine has, to be able to know which balancer/flexplate combo is needed.
 
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Old Jan 28, 2008 | 01:20 AM
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The 87 and 94 were EFI, Isn't the 84 Carb?
 
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Old Jan 28, 2008 | 01:30 AM
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yes the 84 is carb and the 87/94 are fuel injection-does it make a difference???am not sure on the crank-my nephew put the pretty one on it??? hey chrome don't bring ya home!!! it looks real pretty though?? yuck it runs like an old beeper on vibrate mode-my sister may get pissed if I figure it out-she drives it a lot! I wonder why???ha-ha-ha!!!
 
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Old Jan 28, 2008 | 01:33 AM
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I would have to check into it. I only put chrome on the outside never on the engine. Did he rebuild the engine that was in it or did he put a different one in?
 
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Old Jan 28, 2008 | 01:47 AM
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he swapped it out for another engine-not sure on the years-may check casting codes and try to look it up!!!hey they are not mechanics-
 
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Old Jan 28, 2008 | 01:48 AM
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Need to check can make a hell of a difference
 
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Old Jan 28, 2008 | 01:50 AM
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hey if anybody has a good bed in the Maryland area they need one of those also-all my ford trucks are 1987 to 1994!!! theirs is rusted!!!
 
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Old Jan 28, 2008 | 01:51 AM
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Well you can join the maryland chapter we are having a meet on Feb. 17. Get signed up to the chapter and get invited.
 
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Old Jan 28, 2008 | 01:51 AM
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well I'm the mecanic in the family and they tried to do it on there own!!!
 
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Old Jan 28, 2008 | 01:56 AM
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as I said I'm a 1987 -1988-and -1990-1994 man got 4 of them on my yard-I just love older fords-damned shame the ones I have are fuel injected-don't know d**k about it-learning fast though-at $85.00 an hour for shops-I'm learning real fast!!!
 
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Old Jan 28, 2008 | 01:57 AM
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how do I join???-ya'll won't pick on me for owning the 1987-1994 models will ya???
 
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Old Jan 28, 2008 | 02:04 AM
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na i don't think so we just goof off.
 
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Old Jan 28, 2008 | 02:09 AM
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try this
https://www.ford-trucks.com/forums/p...editusergroups
 
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Old Jan 28, 2008 | 02:13 AM
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does any body have a ford casting number reference???so I can check this stuff out??? beginning to be a major P.I.T.A- the s**t we do for family!!! oh well that is what were here for ?? right???-any ideas??? hey bronco chris still no clue on how to join???in-site on this!!! don't mind joining if it will help others!!!
 
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