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Re: Small block heads bolts
[Re: JSR1485]
#925350
02/10/11 01:05 PM
02/10/11 01:05 PM
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Joined: Apr 2007
Posts: 2,826 NY usa
540challenger
master
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master
Joined: Apr 2007
Posts: 2,826
NY usa
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Quote:
I knew the small block head bolts never got any sealant on the threads but I did not know that using studs or the wrong diameter bolts or studs would cause a oil restiction to the heads? Anybody run into problems with this?
Your just a little confused the headbolt have nothing to do with it.
The bolts/stud used on the rocker shafts is what supplies the oil. The stock bolt have a reduced shank for the oiling holes in the stands. And yes using the wrong one could limit the supplie to the shafts
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Re: Small block heads bolts
[Re: 540challenger]
#925352
02/10/11 01:39 PM
02/10/11 01:39 PM
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Joined: Aug 2003
Posts: 1,123 Seaford Delaware
JSR1485
OP
super stock
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OP
super stock
Joined: Aug 2003
Posts: 1,123
Seaford Delaware
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Per Jim Szilagyi quote: The oil path to the heads is really complicated compared to most engines. Sometimes if the wrong head bolts are used,oil can be restricted to the cylinder heads. The head bolts have a reduced area to allow more oil flow around the bolt and up to the heads. The oil flows from #2 and #4 camshaft journals through oil passage in the deck to the heads. I am aware of the of 3/8 bolts and larger holes at the bottom of the rocker shafts.
Switched to the dark side...
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Re: Small block heads bolts
[Re: JSR1485]
#925353
02/10/11 02:33 PM
02/10/11 02:33 PM
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Joined: Jan 2003
Posts: 25,200 Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
I am aware of the of 3/8 bolts and larger holes at the bottom of the rocker shafts.
Rocker shaft bolts are 5/16. The a non threaded portion of the bolt hole being larger than the threaded portion for oil passage to the rocker shaft/top end oiling.
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Re: Small block heads bolts
[Re: MoparforLife]
#925354
02/10/11 03:04 PM
02/10/11 03:04 PM
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Joined: Aug 2003
Posts: 1,123 Seaford Delaware
JSR1485
OP
super stock
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OP
super stock
Joined: Aug 2003
Posts: 1,123
Seaford Delaware
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I should have said that using 3/8 bolts over 5/16 will cause a problem and I am aware of that.
Switched to the dark side...
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Re: Small block heads bolts
[Re: JSR1485]
#925355
02/10/11 09:17 PM
02/10/11 09:17 PM
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Joined: Nov 2003
Posts: 36,041 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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It's on page 38 of his stroker handbook, just a misprint, should say rocker arm holddown bolts instead of head bolts EDIT meant to say rocker shaft holdown bolts
Last edited by RapidRobert; 02/10/11 10:57 PM.
live every 24 hour block of time like it's your last day on earth
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