What is heavy flash removal?
02-05-2005, 07:15 PM
#1
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What is heavy flash removal?
whats this mean when referring to porting an intake or whatever...thanks!
forgot to add, is it necessary to use grade 8 or better bolts for the intake manifold? i dont see why i should since the manifold doesnt need to hold the same pressure as a head or main. thanks again doodz.
forgot to add, is it necessary to use grade 8 or better bolts for the intake manifold? i dont see why i should since the manifold doesnt need to hold the same pressure as a head or main. thanks again doodz.
02-05-2005, 07:33 PM
#2
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RE: What is heavy flash removal?
the flash is the material left behind from the forging of the intake...it is rough and sometime sharp and ugly...usally a good clean up of the flash will help the flow..clean up the intake and heads and a noticed difference in power will be seen...as for intake bolts..i would use good bolts..like get a complete blot kit for about 30$..it comes with grade 8 stainless bolts..they are much better than regular bolts and can be reused over and over and they never rust, plus you can get them in a hex, allen, or 12 point head..
02-06-2005, 02:53 PM
#4
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RE: What is heavy flash removal?
you will quickly burn up a dremel tool trying to do any kind of porting as they just aren't powerful enough for the long term use it takes to port a manifold or heads. you need a heavy duty high speed electric or air powered die grinder to do good porting work without burning up the tool. and good carbide cutting tools also and plenty of small sanding flapper wheels too in various grit sizes.
and the flash they refer to is from the sand casting, not forging, of the intake when it is made at the foundry. this is the rough and pitted surface left over by the sand used to make the molds for the casting process.
and the flash they refer to is from the sand casting, not forging, of the intake when it is made at the foundry. this is the rough and pitted surface left over by the sand used to make the molds for the casting process.
02-06-2005, 03:12 PM
#5
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Join Date: Dec 2003
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RE: What is heavy flash removal?
i was just wondering i have three dremmels,and one is an air driven one expensive one too,i figured it would be a chore.
ORIGINAL: roundman
you will quickly burn up a dremel tool trying to do any kind of porting as they just aren't powerful enough for the long term use it takes to port a manifold or heads. you need a heavy duty high speed electric or air powered die grinder to do good porting work without burning up the tool. and good carbide cutting tools also and plenty of small sanding flapper wheels too in various grit sizes.
and the flash they refer to is from the sand casting, not forging, of the intake when it is made at the foundry. this is the rough and pitted surface left over by the sand used to make the molds for the casting process.
you will quickly burn up a dremel tool trying to do any kind of porting as they just aren't powerful enough for the long term use it takes to port a manifold or heads. you need a heavy duty high speed electric or air powered die grinder to do good porting work without burning up the tool. and good carbide cutting tools also and plenty of small sanding flapper wheels too in various grit sizes.
and the flash they refer to is from the sand casting, not forging, of the intake when it is made at the foundry. this is the rough and pitted surface left over by the sand used to make the molds for the casting process.
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