Block filler...
#901794
01/10/11 11:06 PM
01/10/11 11:06 PM
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Joined: Jun 2010
Posts: 311
Colorado Springs, Colorado
Dartthunder340
OP
enthusiast
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OP
enthusiast
Joined: Jun 2010
Posts: 311
Colorado Springs, Colorado
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How many of you have your block filled? Could you please explain the pros and cons? Would be for a drag only car. Thanks.
Better get inside Ma. Looks like a storm's comin'.
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Re: Block filler...
[Re: Dartthunder340]
#901796
01/11/11 11:35 AM
01/11/11 11:35 AM
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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:
How many of you have your block filled? Could you please explain the pros and cons? Would be for a drag only car. Thanks.
I've got a couple of blocks filled(half filled) and
it holds the walls in place better which should give
better ring sealing BUT being that the water isnt traveling
in the lower part of the block the oil tends to pull
the heat off of the block so the oil gets hotter than
with the water.... so you need a oil coller
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Re: Block filler...
[Re: Dartthunder340]
#901797
01/11/11 02:06 PM
01/11/11 02:06 PM
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Joined: Aug 2003
Posts: 43,269
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,269
Bend,OR USA
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I don't recommend using any cement(sidewalk stuff) based fillers, it expands when curing and then shrinks  I have used it in several blocks and found out that the block ends up having two different temperature zone by using a hand held infrared temp gun on a motor being dyno tested, it was (after several pulls where made to warm up the oil, seat the rings and so on) a different temp at and below the fill than above the fill  We had the thermostat set at 120 F on the water tower and the water in the heads and the top of the block above the fill was 120F, the block at and below the filler was 180F  That makes me think that the cylinders are two different sizes above and below the fill   The rings can accomadate(SP?) some differences, evidently, but I prefer straight cylinder walls  I have had to replace a freeze plug(soft plug) in a filled block and the filler had pulled away from the side of the block some, not much but some It is your choice  Lots of racer and machinest like filler and some don't
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Block filler...
[Re: Cab_Burge]
#901799
01/12/11 12:42 AM
01/12/11 12:42 AM
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Joined: Oct 2004
Posts: 8,165
Left Coast
BobR
master
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master
Joined: Oct 2004
Posts: 8,165
Left Coast
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Quote:
I don't recommend using any cement(sidewalk stuff) based fillers, it expands when curing and then shrinks I have used it in several blocks and found out that the block ends up having two different temperature zone by using a hand held infrared temp gun on a motor being dyno tested, it was (after several pulls where made to warm up the oil, seat the rings and so on) a different temp at and below the fill than above the fill We had the thermostat set at 120 F on the water tower and the water in the heads and the top of the block above the fill was 120F, the block at and below the filler was 180F That makes me think that the cylinders are two different sizes above and below the fill The rings can accomadate(SP?) some differences, evidently, but I prefer straight cylinder walls I have had to replace a freeze plug(soft plug) in a filled block and the filler had pulled away from the side of the block some, not much but some It is your choice Lots of racer and machinest like filler and some don't
Cab, with our Fontana block without filler vacuum went positive about about 8 grand. With it filled it held at least 5# vacuum through the lights.
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Re: Block filler...
[Re: BobR]
#901800
01/12/11 09:58 AM
01/12/11 09:58 AM
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Joined: Nov 2004
Posts: 3,544
Syracuse,NY
CompWedgeEngines
master
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master
Joined: Nov 2004
Posts: 3,544
Syracuse,NY
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I have seen results as such. I believe in it in the right applications. You must do proper prep, and use proper materials, and it is absolutley beneficial. Done wrong, it will make a mess,and make ring seal worse.There are other materials, other than the commercially available brands, that work better.
It also serves other functions than just cylinder wall stiffening.
RIP Monte Smith
Your work is a reflection of yourself, autograph it with quality.
WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.
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Re: Block filler...
[Re: MR_P_BODY]
#901802
01/12/11 10:32 AM
01/12/11 10:32 AM
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Joined: Nov 2004
Posts: 3,544
Syracuse,NY
CompWedgeEngines
master
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master
Joined: Nov 2004
Posts: 3,544
Syracuse,NY
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RIP Monte Smith
Your work is a reflection of yourself, autograph it with quality.
WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.
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Re: Block filler...
[Re: MR_P_BODY]
#901804
01/12/11 06:20 PM
01/12/11 06:20 PM
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Joined: Oct 2005
Posts: 976
ontario canada
mac56
super stock
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super stock
Joined: Oct 2005
Posts: 976
ontario canada
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Quote:
Todd what materials are you referring to that is even
better?
Me too please. I have mine filled to the top.
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Re: Block filler...
[Re: mac56]
#901805
01/12/11 07:16 PM
01/12/11 07:16 PM
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Joined: Feb 2007
Posts: 5,080
organ
maximum entropy
master
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master
Joined: Feb 2007
Posts: 5,080
organ
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i'm a buhleevuh. especially in rb engines. the low deck i don't think is nearly as critical. i've only filled one block so far (tall deck), and it has made it through it's first season without incident. i'm doing one now that will be a partial fill. time will tell. i use hard blok. no problems yet. sometimes you have to follow your gut and find out what works for you.
for what is the good life if not doing things thoughtfully?
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