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broken bolt

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richter69
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Post  342g April 17th 2011, 7:56 pm

Has anyone ever had a bolt in the jomar stud girdle break, my car got a vibration in it, and backfired a little, I shut it down, took it to the pit, and pulled the valve covers off, all I found was a broken bolt in the girdle, has this ever happened, and would it cause the trouble I mentioned?


Bruno move this up, I messed up, should be in engine tech.
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Post  bruno April 17th 2011, 9:09 pm

Wink

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Post  richter69 April 17th 2011, 9:54 pm

improper torque? what else is broke?
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Post  cool40 April 17th 2011, 10:01 pm

Shocked broke bolt should'nt cause a miss,IMO.but a miss could cause a broke bolt! Suspect
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Post  bbf-falcon April 18th 2011, 1:12 am

Harold,that reminds me Suspect did'nt something like some sorta miss happen last season and you never really knew what ever caused it. confused

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Post  342g April 18th 2011, 1:34 am

bbf-falcon wrote:Harold,that reminds me Suspect did'nt something like some sorta miss happen last season and you never really knew what ever caused it. confused

Hell I don't remember, but I can't figure the problem, unless the washer got in the valve spring or something.
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Post  cool40 April 18th 2011, 2:05 pm

hell put another bolt in it and run it! it'll show up later if it's a problem. Laughing
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Post  56Tbird April 18th 2011, 3:44 pm

I had one break on a Probe girdle. But ,it broke when I was tightening it. I think everybody wants to get a little torque happy on the poor little 5/16 bolt.Good thing you caught it before broke some stuff,better take a close look at your valve springs?
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Post  richter69 April 18th 2011, 3:49 pm

they only go like 22-24 ftlbs.
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Post  342g April 18th 2011, 4:54 pm

cool40 wrote:hell put another bolt in it and run it! it'll show up later if it's a problem. Laughing

I ordered 16 new grade 8 bolts, and 16 new washers, the old ones are grade 5, so overkill can't hurt, I checked all the rockers, push rods, and springs, so I going to put her back together, I think the bolt might have been broke for a while, the distributor was the culprit, I sent it back to msd for a complete rebuild.
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Post  richter69 April 18th 2011, 5:55 pm

my old Jomar had the gold grade 8 bolts, I noticed the new girdle for the P51's had the chrome bolts.....I didnt look at the grade............dont matter I'm under the valve covers after every race anyway............ Cool
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Post  cool40 April 18th 2011, 10:23 pm

342g wrote:
cool40 wrote:hell put another bolt in it and run it! it'll show up later if it's a problem. Laughing

I ordered 16 new grade 8 bolts, and 16 new washers, the old ones are grade 5, so overkill can't hurt, I checked all the rockers, push rods, and springs, so I going to put her back together, I think the bolt might have been broke for a while, the distributor was the culprit, I sent it back to msd for a complete rebuild.
last msd distributor i ran was a "new" POS. i made a new bushing for it and put a few holes in it for a little extra oil and it was ok.it did'nt have 500 miles on it when it took a dump.
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Post  bbf-falcon April 19th 2011, 2:10 am

Hope the new bolts and Dizzy gets ya fixed up Harold Smile

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Post  342g April 19th 2011, 10:09 am

bbf-falcon wrote:Hope the new bolts and Dizzy gets ya fixed up Harold Smile

The new bolts are just for peace of mind.
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Post  Curt April 19th 2011, 10:12 am

342g wrote:
bbf-falcon wrote:Hope the new bolts and Dizzy gets ya fixed up Harold Smile

The new bolts are just for peace of mind.

Like a high quality condom?
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Post  342g April 19th 2011, 10:13 am

Curt wrote:
342g wrote:
bbf-falcon wrote:Hope the new bolts and Dizzy gets ya fixed up Harold Smile

The new bolts are just for peace of mind.

Like a high quality condom?

Exactly, Laughing Laughing , trojans all the way.
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