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poly/erly small block front cover bolt hellp #1598398 03/25/14 08:56 PM 03/25/14 08:56 PM
Joined: Feb 2010 Posts: 82 Oly Wash racerlall OP member
racerlall OP member Joined: Feb 2010 Posts: 82 Oly Wash	Hi Iv got a poley 318 in picas trying to put the fount cover and water pump o and was wondering if some one has a list or diagram of wear the bolts go don't want to brake a cylinder thanks fore looking E.

Re: poly/erly small block front cover bolt hellp [Re: racerlall] #1598399 03/25/14 09:07 PM 03/25/14 09:07 PM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	Quote: Hi Iv got a poley 318 in picas trying to put the fount cover and water pump o and was wondering if some one has a list or diagram of wear the bolts go don't want to brake a cylinder thanks fore looking E. Don't wrench and drink They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: poly/erly small block front cover bolt hellp [Re: racerlall] #1598400 03/25/14 11:12 PM 03/25/14 11:12 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	You want no less than 1&1/4 times the bolt dia, that amount of thread engagement including gasket/washers etc & a bit more than that is OK. Mockup what you have & if you have a certain # of bolts of a particular length/thread/etc that might help you group them. Most critical is the DR front of the block where the front cyl wall on that bank is the closest live every 24 hour block of time like it's your last day on earth

Re: poly/erly small block front cover bolt hellp [Re: RapidRobert] #1598401 03/26/14 09:13 AM 03/26/14 09:13 AM
Joined: Jan 2003 Posts: 21,074 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,074 Niles , Ohio	RR I can testify about that front bolt.We did a cam change on my kids old 318.He Had all the bolts in order.Put the front cover on and added coolant.I hear water going in the pan.Long to short he put in too long a bolt and put a hole in the cylinder.Lucky I had another complete 318 sitting.I put it together instead of letting him.Rocky Chrysler Firepower

Re: poly/erly small block front cover bolt hellp [Re: therocks] #1598402 03/26/14 12:01 PM 03/26/14 12:01 PM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Yeah Mr Murphy does not play but luckily he dont come around very often. In high school shop class a kid added some coolant to a somewhat overheated eng that was low & he did not start it up first, you know the rest... There was a thread here (on Moparts) way back with members sharing their mechanical mishaps during their careers & it was one of the longest threads ever live every 24 hour block of time like it's your last day on earth

Re: poly/erly small block front cover bolt hellp [Re: RapidRobert] #1598403 03/26/14 12:46 PM 03/26/14 12:46 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	I used a piece of clothes hanger wire with a little hook bent into the end to figure out how deep the threaded holes were, then measured the bolts and put in ones that were about that length. Keep in mind that any that go into the water jacket must have thread sealer on them or they will leak. That means any holes that don't have a bottom on them. RR, 1 1/4 D is very safe, it might be interesting to you to know that bolts will develop their whole strength with two full threads engaged in the nut. R.

Re: poly/erly small block front cover bolt hellp [Re: dogdays] #1598404 03/26/14 02:09 PM 03/26/14 02:09 PM
Joined: Feb 2010 Posts: 82 Oly Wash racerlall OP member
racerlall OP member Joined: Feb 2010 Posts: 82 Oly Wash	cool thanks Il just probe the holes that's what I was thinking of doing E.

Re: poly/erly small block front cover bolt hellp [Re: dogdays] #1598405 03/27/14 12:54 AM 03/27/14 12:54 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: RR, 1 1/4 D is very safe, it might be interesting to you to know that bolts will develop their whole strength with two full threads engaged in the nut. R. Now I do , thank you live every 24 hour block of time like it's your last day on earth

Re: poly/erly small block front cover bolt hellp [Re: dogdays] #1598406 03/27/14 11:51 AM 03/27/14 11:51 AM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	Quote: RR, 1 1/4 D is very safe, it might be interesting to you to know that bolts will develop their whole strength with two full threads engaged in the nut. R. Two threads? No, thread engagement has to at least equal the diameter for full strength. 1/4-20 bolt needs a 1/4" thread engagement, as an example. http://www.fastenal.com/content/feds/pdf/Article%20-%20Screw%20Threads%20Design.pdf They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

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