Harmonic balancer vs flexplate weight?
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From: NorCal
Harmonic balancer vs flexplate weight?
This is probably a dumb question.
I have a 72 302 to be married to a 88 AOD I have the 28 oz flexplate 164 teeth. I have scoured all the AOD posts but I cant find how to position the flex plate weight in relation to the Harmonic Balancer weight
I'm assuming they are positioned 180 degrees out. In other words if the Harmonic Balancer weight is at the bottom of the crank then the Flexplate weight would be at the top. Is this correct?
Also there is a white paint smear on the outer edge of the Torque Converter does this have any significance?
Moose
I have a 72 302 to be married to a 88 AOD I have the 28 oz flexplate 164 teeth. I have scoured all the AOD posts but I cant find how to position the flex plate weight in relation to the Harmonic Balancer weight
I'm assuming they are positioned 180 degrees out. In other words if the Harmonic Balancer weight is at the bottom of the crank then the Flexplate weight would be at the top. Is this correct?
Also there is a white paint smear on the outer edge of the Torque Converter does this have any significance?
Moose
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Joined: Mar 2013
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From: Phoenix, Az.
As I recall the flexplate bolt holes are spaced apart differently so it can be mounted only one clock postion. Paint dab for factory so they can keep track which one it is probably. Or inspector who passed it put that on.
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From: NorCal
Thanks for the reply Jeffafa
Well I must be going blind I cant see a stagger bolt pattern or key to save my life.
Here is the photo the 28 oz weight is at 2 o'clock the fill bolt is at 12 o'clock the crankshaft bolt holes all 6 look concentric. I'm not understanding something..... I'm still stumped. It's probably so obvious a mere child of 6 could figure it out and I will face palm when I hear it, but until then......... Moose.
Well I must be going blind I cant see a stagger bolt pattern or key to save my life.
Here is the photo the 28 oz weight is at 2 o'clock the fill bolt is at 12 o'clock the crankshaft bolt holes all 6 look concentric. I'm not understanding something..... I'm still stumped. It's probably so obvious a mere child of 6 could figure it out and I will face palm when I hear it, but until then......... Moose.
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Joined: Apr 2009
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From: South west Idaho
Thanks for the reply Jeffafa
Well I must be going blind I cant see a stagger bolt pattern or key to save my life. Here is the photo the 28 oz weight is at 2 o'clock the fill bolt is at 12 o'clock the crankshaft bolt holes all 6 look concentric. I'm not understanding something..... I'm still stumped. It's probably so obvious a mere child of 6 could figure it out and I will face palm when I hear it, but until then......... Moose.
Well I must be going blind I cant see a stagger bolt pattern or key to save my life.
Here is the photo the 28 oz weight is at 2 o'clock the fill bolt is at 12 o'clock the crankshaft bolt holes all 6 look concentric. I'm not understanding something..... I'm still stumped. It's probably so obvious a mere child of 6 could figure it out and I will face palm when I hear it, but until then......... Moose..
You can't see it just looking at it , place it on the crank and you rotate it until the holes line up , it only fits one way .
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From: South west Idaho
No knowing your knowledge of mechanics i dare to ask so don't be offended. You do know that the flex plate is bolted to the engine first an then the bolts torqued the correct amount , right ? then push the trany up to it with the T C in it , then bolt it to the flex plate . Don't bolt the T C to the flex plate and then try to push the trany up to the engine. Like i said if you know all his then just ignore what i just said .
.
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From: NorCal
No knowing your knowledge of mechanics i dare to ask so don't be offended. You do know that the flex plate is bolted to the engine first an then the bolts torqued the correct amount , right ? then push the trany up to it with the T C in it , then bolt it to the flex plate . Don't bolt the T C to the flex plate and then try to push the trany up to the engine. Like i said if you know all his then just ignore what i just said .
.
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Thanks Jim. Yeah I figured that out. I was a computer guy in my last job for 29 years before I retired and hadn't done too much wrenching in that time, other than water pump, brake, alternator changes and , carb tuning. I thought I was a "B" grade mechanic. It's very humbling to ask a question to the excellent brain trust here on the forum, and then find out, If I just would have tried a little harder or measured something. I would have answered my own question.
I have a Gear head friend to help tutor me on the engine rebuild from time to time, but he is mostly a Chevy hotrod Man, who has some racing experience. He's a good guy with a network of friends who know some Ford stuff.
I guess Im in that awkward stage. Kind of a Noob unsure of what I got myself into, doing rebuilds and mods. But, I'm learning a lot by reading the threads so I avoid troubles and having fun. Thanks to all for tolerating me.
Moose
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From: The Big, Oregon
You will also need shorter bolts for the flexplate, get ARP bolts as grade 8s aren't up to the job.
The pattern does look very close, but even the 300-6 with it's neutral balance has different spacing. It's not much, I had one redrilled for my Merceded diesel adapter project, and three of the six holes had to be slightly elongated to fit the different pattern.
The pattern does look very close, but even the 300-6 with it's neutral balance has different spacing. It's not much, I had one redrilled for my Merceded diesel adapter project, and three of the six holes had to be slightly elongated to fit the different pattern.
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From: South west Idaho
.
____No problem , we don't call it "tolerating" we call it 'learning something new' . I'v been doing some kind of mechanic work since about 1957 and i still ask how to do something . Construction was how i made my living but mechanics was my first love , so to keep it as a hobby and not get burned out i never did it for money. You will find lot's of help here , more than some of the other forums.__Welcome ___Jim __
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From: NorCal
Thanks Ford_six
Good to know. Ill thread a bolt in the crank and measure it, Then get some ARP shorter bolts.
Say does anybody Know if the Torque convertor is a weak point on the 88 AOD? One guy said he had one fail and it was replaced under warranty years ago. And with My pumped 302 (Im guessing 275 HP) should I need a better than stock TC?
Moose
Good to know. Ill thread a bolt in the crank and measure it, Then get some ARP shorter bolts.
Say does anybody Know if the Torque convertor is a weak point on the 88 AOD? One guy said he had one fail and it was replaced under warranty years ago. And with My pumped 302 (Im guessing 275 HP) should I need a better than stock TC?
Moose
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