Re: great start , bad ending
[Re: MR_P_BODY]
#373460
07/13/09 11:51 AM
07/13/09 11:51 AM
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Joined: Nov 2003
Posts: 6,293 Rock Springs
Bob_Coomer
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Rock Springs
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Doesn't look like the rod around the pin had any excess heat, blue'n etc. The bushing does look thin. Is that a Mopar or Chevy .990 pin size?
[color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
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Re: great start , bad ending
[Re: Bob_Coomer]
#373462
07/13/09 01:36 PM
07/13/09 01:36 PM
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Joined: Nov 2003
Posts: 7,348 Mt.Vernon ,Ohio
VernMotor
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Quote:
Doesn't look like the rod around the pin had any excess heat, blue'n etc. The bushing does look thin. Is that a Mopar or Chevy .990 pin size?
1.09 stock size pin
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Re: great start , bad ending
[Re: 440Jim]
#373463
07/13/09 01:39 PM
07/13/09 01:39 PM
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Joined: Nov 2003
Posts: 7,348 Mt.Vernon ,Ohio
VernMotor
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Jenni has a good ear, and you did a good job digging into the motor to find it. 600 passes is a lot between refreshes, but the rods should not have a problem anywhere near that.
Just thinking out loud. If you have TRW pistons with 1.09" pins, maybe the rod manufacturer just used thinner bushings in the same rod (6.76") used for .990" pins; resulting in a thin bushing. But it does look like it pounded out sideways, not just squished. What stroke, rpm, and piston/pin weight was it?
Jim that could very well be.. stock stroke- shift car at 6000 across the line at 6200. old TRW piston..bob-weight was 2532.5g
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Re: great start , bad ending
[Re: VernMotor]
#373464
07/13/09 03:33 PM
07/13/09 03:33 PM
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Joined: Jan 2003
Posts: 16,928 NC
440Jim
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Quote:
stock stroke- shift car at 6000 across the line at 6200. old TRW piston..bob-weight was 2532.5g
That should not be hard on things at all.
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Re: great start , bad ending
[Re: Quicktree]
#373469
07/13/09 08:06 PM
07/13/09 08:06 PM
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Joined: Aug 2006
Posts: 687 Ohio
Chad Bittle
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Glad she caught it....better here then traveling all the way to that state up north.
Last edited by Chad Bittle; 07/13/09 08:07 PM.
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Re: great start , bad ending
[Re: Chad Bittle]
#373470
07/13/09 08:13 PM
07/13/09 08:13 PM
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Joined: Jan 2004
Posts: 13,247 Mt. Vernon, Ohio
dartman366
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any part of the bushing have a hole to oil the pin? sure look's like the rod was drilled for it, but I see no hole in any of the bushing chunk's that I see, also look's like the rod was rough machined and not honed for a true bushing fit. Sorry about the damage.
Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
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Re: great start , bad ending
[Re: dartman366]
#373471
07/13/09 08:22 PM
07/13/09 08:22 PM
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Anonymous
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Anonymous
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Quote:
any part of the bushing have a hole to oil the pin? sure look's like the rod was drilled for it, but I see no hole in any of the bushing chunk's that I see, also look's like the rod was rough machined and not honed for a true bushing fit. Sorry about the damage.
i was looking at the same thing. the real problem is that you should probably re-bush all of the rods. i'd also add holes at 5 and 7 o'clock positions. it looks like you need a new pin also.
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Re: great start , bad ending
#373472
07/13/09 09:05 PM
07/13/09 09:05 PM
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Joined: Nov 2003
Posts: 7,348 Mt.Vernon ,Ohio
VernMotor
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Quote:
Quote:
any part of the bushing have a hole to oil the pin? sure look's like the rod was drilled for it, but I see no hole in any of the bushing chunk's that I see, also look's like the rod was rough machined and not honed for a true bushing fit. Sorry about the damage.
i was looking at the same thing. the real problem is that you should probably re-bush all of the rods. i'd also add holes at 5 and 7 o'clock positions. it looks like you need a new pin also.
No I do not see any hole in bushing..But I will say it seems like there is plenty oil there..and all 8 look just like this..not just one. They all have to be done..Plus new wist pins..they are hurt.
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Re: great start , bad ending
[Re: VernMotor]
#373473
07/13/09 09:17 PM
07/13/09 09:17 PM
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Joined: Jul 2005
Posts: 8,647 ELYRIA,OH
blownzoom440
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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Quote:
Quote:
Quote:
any part of the bushing have a hole to oil the pin? sure look's like the rod was drilled for it, but I see no hole in any of the bushing chunk's that I see, also look's like the rod was rough machined and not honed for a true bushing fit. Sorry about the damage.
i was looking at the same thing. the real problem is that you should probably re-bush all of the rods. i'd also add holes at 5 and 7 o'clock positions. it looks like you need a new pin also.
No I do not see any hole in bushing..But I will say it seems like there is plenty oil there..and all 8 look just like this..not just one. They all have to be done..Plus new wist pins..they are hurt.
dumb question here.is there no way to pollish those pins and finish the bushing to fit the pin?i dont know if the bushings come big[thick] enough to acount for the pin size. forgive my ignorance please.
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