Re: new 500" stroker motor wont spin clear around?
[Re: Runner]
#206309
01/29/09 01:46 AM
01/29/09 01:46 AM
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Joined: Oct 2003
Posts: 21,345 Marysville, O-H-I-O
70Cuda383
Too Many Posts
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Too Many Posts
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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Quote:
Quote:
I'd reserve all judgement until the problem is found.Like what has been said,be there as it is being dis-assembled.Don't be surprised if some thing is found on top of a piston.Do you have or have access to a borescope?Do you know which cylinder is near the top of it's stroke when it locks?You can determine this by turning the engine until it stops,back it up and put your finger over the plug hole to feel pressure. Also if it's a blower motor,check your pully bolts on the front of the crank and make sure one is not interfearing on the timing cover.Check the same on the blower.
everyones always so quick to pass judgement.
When you spend nearly $4500 in parts, and pay an engine shop $1500 for machine work, assembly, clearancing, etc. you tend to get a little jumpy when something's not right. If I'm going to spend $6000 on an engine build, that's something I don't want to do twice. I know everyone is human and we all make mistakes, but you have to wonder, if they missed something simple, what else did they miss? (that is, unless it was your fault because you dropped a nut down the intake or whatever)
**Photobucket sucks**
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Re: new 500" stroker motor wont spin clear around?
[Re: Mr 5 Speed]
#206311
01/29/09 11:13 AM
01/29/09 11:13 AM
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Joined: Aug 2006
Posts: 2,511 God's Country Maryland
GODSCOUNTRY340
master
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master
Joined: Aug 2006
Posts: 2,511
God's Country Maryland
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360 degrees crank rotation the piston comes up once, not twice. You're thinking of camshaft rotation.
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: new 500" stroker motor wont spin clear around?
[Re: GODSCOUNTRY340]
#206314
01/29/09 11:32 AM
01/29/09 11:32 AM
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Joined: Feb 2006
Posts: 1,949 land of 10,000______'s
BDS871Cuda
top fuel
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top fuel
Joined: Feb 2006
Posts: 1,949
land of 10,000______'s
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720 degrees of crank for every 360 of cam.
It could be 1 of a 100 things. Give this shop some time to get it figured out.
I've seen Jason Line make mistakes (very few) and he get's it figured out.
Will soon find out.
Snap your neck, mega G-force launch, is all I want!
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Re: new 500" stroker motor wont spin clear around?
[Re: dirt]
#206316
01/29/09 01:44 PM
01/29/09 01:44 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
the motor got dropped off at the builder today and he didnt find anything on the piston laying. said it looks like something is hitting in the bottom end. he is going to tear it down today and work on it until its fixed.
Glad to see it wasnt your fault, he'll fix you up, he doesnt want to have anything bad said about him. Its probably like Chuck said that the crank is crashing the pick up
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Re: new 500" stroker motor wont spin clear around?
[Re: dirt]
#206317
01/29/09 02:12 PM
01/29/09 02:12 PM
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Joined: Oct 2007
Posts: 4,206 New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,206
New York
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everyone screws up once in a while
He did, but you didn't (unless you still owe him money).
It's nice if he fixes it - but who pays you for your wasted time and trouble? When it's fixed he owes you a favor, money, or a discount on future work (if he's smart that will be his choice)
Boffin Emeritus
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Re: new 500" stroker motor wont spin clear around?
[Re: dirt]
#206319
01/29/09 10:08 PM
01/29/09 10:08 PM
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Joined: Dec 2007
Posts: 10,542 BROOK PARK, OH
WILD BILL
Senior Member of the Junior Dragster Club
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Senior Member of the Junior Dragster Club
Joined: Dec 2007
Posts: 10,542
BROOK PARK, OH
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Never would have guessed that
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Re: new 500" stroker motor wont spin clear around?
[Re: dirt]
#206321
01/29/09 10:43 PM
01/29/09 10:43 PM
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Joined: May 2005
Posts: 6,446 NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
got a call. the builder said it was the timing gear on the crank for the gear drive. it was broke and came apart when he took the cover off. we didnt even mess with it so thats pretty wild. it was a milodon gear drive. never heard of that breaking on a motor that was never even cranked before!
he said he looked at his notes and he set the valve lash so he would have had to turn the motor when he built it and it was fine then. i am not sure who is going to pick up the bill for the tear down and reassembly. he called milodon to see what they said.
That's interesting...
That gear on those units are very beefy. Seems inconceivable, but? One of the necessary steps to set up a Milodon is to remove the factory timing cover pins in the block, set the "lash" between the gears and redrill the block to accept the oversize pins. I would imagine that if this wasn't done(or done improperly) that you could have a problem. Possibily some debris wound up wedging itself between the gears?? All speculation without actually seeing it.
Keep us posted.
MB
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Re: new 500" stroker motor wont spin clear around?
[Re: aarcuda]
#206324
01/29/09 11:13 PM
01/29/09 11:13 PM
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Joined: Apr 2005
Posts: 94 North West,Ohio
SSDA3426
member
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member
Joined: Apr 2005
Posts: 94
North West,Ohio
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Quote:
SO much better that you found it now than at 6500 rpm later
Aint That The Truth......
Some things MULTI-MAKES Builders just don't know what to look at....I can't tell ya how many people that have called me or bought at swap meets from me a Flex Plate Because Their ENGINE BUILDER NEEDS IT TO BALANCE THE ASSEMBLY.....CHEVY BOYZ!!
Like one of the other members was saying Muscle Motors are on their Game.I have learned little things here and there working with them and being Sponsored By them over the years...Little things that even you yourself as a Professional Engine Builder wouldn't think of...Mike Really Knows what he's doing...
Good Luck!!
SS
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Re: new 500" stroker motor wont spin clear around?
[Re: dirt]
#206325
01/29/09 11:50 PM
01/29/09 11:50 PM
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Joined: Aug 2008
Posts: 189 long island new york
kingdust
member
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member
Joined: Aug 2008
Posts: 189
long island new york
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like some one else said, better now than through the traps! if they determine that it was a defective gear he might try and hit you with a labor cost. but if he did install it incorrectly and if he's honest and wants your business again he will say, listen i made a mistake and i'll take care of it. keep us posted good luck.
LIFE IS A LESSON,YOU LEARN IT WHEN YOUR THROUGH!
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Re: new 500" stroker motor wont spin clear around?
[Re: kingdust]
#206326
01/30/09 12:18 AM
01/30/09 12:18 AM
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Anonymous
Unregistered
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Anonymous
Unregistered
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any chance you could take a picture of that gear and post it? it's hard to imagine one of those breaking.
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