Re: For Genius's only. Smarter than me.
[Re: merpar]
#2656978
05/19/19 07:00 PM
05/19/19 07:00 PM
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Joined: Jan 2003
Posts: 14,496 So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,496
So. Burlington, Vt.
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It wasn't a lifter dinged, it was the last lobe on the cam. That doesn’t usually turn out very well.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: For Genius's only. Smarter than me.
[Re: merpar]
#2658332
05/23/19 10:35 AM
05/23/19 10:35 AM
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Joined: Jan 2017
Posts: 289 Nevada
merpar
OP
enthusiast
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OP
enthusiast
Joined: Jan 2017
Posts: 289
Nevada
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Unbolted the flex plate. Nothing there and not any positive proof that anything had been there. Checked every rod bolt, didn't go to full torque. Enough to know that was not the problem. Turned the motor over by hand, with a light and checked every cylinder. Very carefully looked at everything. Not a sign of any dings or scratches. Rechecked rocker arms, valves, springs and everything I could think of. Whatever it was at one point fell out or vaporized. So,,,,,, my son and haven't asked my nephew yet, we are putting the motor back together this weekend and put the car back together. With a prayer !
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Re: For Genius's only. Smarter than me.
[Re: merpar]
#2658347
05/23/19 11:11 AM
05/23/19 11:11 AM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,844
S.E. Michigan
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Turned the motor over by hand To recap....first it was totally locked up in both directions, then you unbolted the flexplate, and now you can turn it over by hand? If I read this correctly (maybe I didn't), it kind of seems like a clue there
Rich H.
Esse Quam Videri
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Re: For Genius's only. Smarter than me.
[Re: ZIPPY]
#2658458
05/23/19 04:08 PM
05/23/19 04:08 PM
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Joined: Dec 2006
Posts: 2,109 Byron, NY
W.I.N. Racing
top fuel
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top fuel
Joined: Dec 2006
Posts: 2,109
Byron, NY
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Turned the motor over by hand To recap....first it was totally locked up in both directions, then you unbolted the flexplate, and now you can turn it over by hand? If I read this correctly (maybe I didn't), it kind of seems like a clue there " Well, have narrowed it down. My nephew came over Friday afternoon, we pulled the tranny. Still locked up. Pulled the damper, timing cover water pump. Everything was clean and good. Still locked up. Had this old man up till 10:00 with parts and tools scattered all over the shop. Bob suggested I pull the valve train. T&D set up, which made it easier. Saturday, took right side first. Still locked up!!!!! Took off left side, Walla, freed motor up. Pulled all the lifters, #7 one lifter had a small ding in it. Everything else looked perfect. Still haven't found the culprit that was rattling."Is what he posted prior
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60 '01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust, '05 Dodge Magnum R/T - Too Much to list '60 Willys CJ5 '01 International LPX - Project,DT466, Allison '64 Plymouth Valiant, Inj 528 Hemi, 2spd
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Re: For Genius's only. Smarter than me.
[Re: W.I.N. Racing]
#2658459
05/23/19 04:12 PM
05/23/19 04:12 PM
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Joined: Jan 2003
Posts: 17,844 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,844
S.E. Michigan
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Turned the motor over by hand To recap....first it was totally locked up in both directions, then you unbolted the flexplate, and now you can turn it over by hand? If I read this correctly (maybe I didn't), it kind of seems like a clue there " Well, have narrowed it down. My nephew came over Friday afternoon, we pulled the tranny. Still locked up. Pulled the damper, timing cover water pump. Everything was clean and good. Still locked up. Had this old man up till 10:00 with parts and tools scattered all over the shop. Bob suggested I pull the valve train. T&D set up, which made it easier. Saturday, took right side first. Still locked up!!!!! Took off left side, Walla, freed motor up. Pulled all the lifters, #7 one lifter had a small ding in it. Everything else looked perfect. Still haven't found the culprit that was rattling."Is what he posted prior Thanks. It's too much lol. The lifter with a ding in it probably points to the next place to look.
Rich H.
Esse Quam Videri
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Re: For Genius's only. Smarter than me.
[Re: moparx]
#2659668
05/27/19 03:10 PM
05/27/19 03:10 PM
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Joined: Dec 2006
Posts: 2,109 Byron, NY
W.I.N. Racing
top fuel
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top fuel
Joined: Dec 2006
Posts: 2,109
Byron, NY
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i can appreciate full thread engagement, but bottoming the bolt is worse than having a few threads short. if you have a thread or two more engagement than the bolt diameter, that is all it needs. Here is a rule of thumb that you cant go wrong with 1 X thread diameter in steel 1.5 X thread diameter in cast, bronze etc. 2 X thread diameter in aluminum Any more than that is of little gain (fastener will usually break first) any less and dramatically reduces strength and threads will pull.
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60 '01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust, '05 Dodge Magnum R/T - Too Much to list '60 Willys CJ5 '01 International LPX - Project,DT466, Allison '64 Plymouth Valiant, Inj 528 Hemi, 2spd
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Re: For Genius's only. Smarter than me.
[Re: W.I.N. Racing]
#2659912
05/28/19 10:20 AM
05/28/19 10:20 AM
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Joined: Sep 2003
Posts: 19,388 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,388
north of coder
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i can appreciate full thread engagement, but bottoming the bolt is worse than having a few threads short. if you have a thread or two more engagement than the bolt diameter, that is all it needs. Here is a rule of thumb that you cant go wrong with 1 X thread diameter in steel 1.5 X thread diameter in cast, bronze etc. 2 X thread diameter in aluminum Any more than that is of little gain (fastener will usually break first) any less and dramatically reduces strength and threads will pull. correct. i was just using the example for steel because it was a flexplate/converter application. as for aluminum, if possible, i like helicoils [or variations thereof] or studs, still using the 2 times thread diameter.
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