DIY Porting Tips - Final Cleaning
11-26-2005, 11:49 PM
#1
DIY Porting Tips - Final Cleaning
DIY Porting Tips - Final Cleaning
When one is done "porting and polishing" it is very critical that the cylinder head be throughly cleaned with hot soapy water and rinsed to avoid introducting grinding grit and debris into the motor.
1. Here is a head ready to be cleaned in hot soapy water. (Note the very simple use of a Sterilite 18 gallon plastic container - also comes in handy when shipping heads). Tip: prior to getting to this stage the head was blasted with a garden hose at high pressure to remove most of the grinding debris.
2. Another shot showing chambers. You'll want to use a wash rag and toothbrush to throughly wash away the residual grinding/polishing grit.
3. Hot water rinse. Once done with the rinse, the head will need to be blown dry with compressed air and then WD-40 should be applied to the seats and guides to prevent rust.
4. Getting ready to install valve seals. Tools used are rubber mallet and valve seal driver.
5. Close up pic of high quality viton seals. It is important to have the valves in the head when installing seals. Check alignment by closing one eye and looking directly down the valve to see if the seal is perfectly concentric to the valve.
6. Here pics of cleaned intake ports.
7. Here pics of cleaned exhaust ports
Aside from having the head degreased and blasted at my machine shop prior to porting, all work was done out of my house. Just goes to show that excellent work can be done at home with very simple tools and careful attention to detail.
When one is done "porting and polishing" it is very critical that the cylinder head be throughly cleaned with hot soapy water and rinsed to avoid introducting grinding grit and debris into the motor.
1. Here is a head ready to be cleaned in hot soapy water. (Note the very simple use of a Sterilite 18 gallon plastic container - also comes in handy when shipping heads). Tip: prior to getting to this stage the head was blasted with a garden hose at high pressure to remove most of the grinding debris.
2. Another shot showing chambers. You'll want to use a wash rag and toothbrush to throughly wash away the residual grinding/polishing grit.
3. Hot water rinse. Once done with the rinse, the head will need to be blown dry with compressed air and then WD-40 should be applied to the seats and guides to prevent rust.
4. Getting ready to install valve seals. Tools used are rubber mallet and valve seal driver.
5. Close up pic of high quality viton seals. It is important to have the valves in the head when installing seals. Check alignment by closing one eye and looking directly down the valve to see if the seal is perfectly concentric to the valve.
6. Here pics of cleaned intake ports.
7. Here pics of cleaned exhaust ports
Aside from having the head degreased and blasted at my machine shop prior to porting, all work was done out of my house. Just goes to show that excellent work can be done at home with very simple tools and careful attention to detail.
11-27-2005, 05:50 AM
#5
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Re: DIY Porting Tips - Final Cleaning
Ahh, cleaning stuff with water: luxuries that only us aluminum engine guys take for granted. Looks like it came off the assembly line, nice work. 
Good work bro
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11-27-2005, 07:36 AM
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Re: DIY Porting Tips - Final Cleaning (EKhatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EKhatch »</TD></TR><TR><TD CLASS="quote">Keep up the good work Rocket. This is the reason I still come to H-T even after abandoning the Honda scene. </TD></TR></TABLE>
</TD></TR></TABLE>
11-27-2005, 08:17 AM
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Re: DIY Porting Tips - Final Cleaning (Rocket)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rocket »</TD></TR><TR><TD CLASS="quote">Thanks sir. I might be doing some Subaru next year.</TD></TR></TABLE>
Sounds exciting. There are some good gains to be had by reworking the intake manifold alone.
Sounds exciting. There are some good gains to be had by reworking the intake manifold alone.
11-27-2005, 12:45 PM
#10
Re: DIY Porting Tips - Final Cleaning (drdisco69)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by drdisco69 »</TD></TR><TR><TD CLASS="quote">Ahh, cleaning stuff with water: luxuries that only us aluminum engine guys take for granted.</TD></TR></TABLE>What do mean I wash cast iron off w/ water all the time,it's the only way to get the solvent off the head quickly,you just need to make sure it's dry when your done.
11-27-2005, 05:01 PM
#13
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Re: DIY Porting Tips - Final Cleaning (Ed's Racing Heads)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Ed’s Racing Heads »</TD></TR><TR><TD CLASS="quote">you just need to make sure it's dry when your done.</TD></TR></TABLE>
Right, you have to real quick blow it dry, then hose it down with WD-40, then when you want to paint it you have to get all the WD-40 off, plus the engine weighs as much as some cars... Aluminum is just easier for some things.
Right, you have to real quick blow it dry, then hose it down with WD-40, then when you want to paint it you have to get all the WD-40 off, plus the engine weighs as much as some cars... Aluminum is just easier for some things.
11-27-2005, 07:54 PM
#17
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Re: DIY Porting Tips - Final Cleaning (drdisco69)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by drdisco69 »</TD></TR><TR><TD CLASS="quote">
Right, you have to real quick blow it dry, then hose it down with WD-40, then when you want to paint it you have to get all the WD-40 off, plus the engine weighs as much as some cars... Aluminum is just easier for some things.</TD></TR></TABLE>
what do you think machine shops use to get honing oil off heads?water.
what do you think you use to final clean/pre-assembly wash blocks with? water?
and not real quick. only thing you have to worry about drying quickly is freshly cut/surfaced metal
Right, you have to real quick blow it dry, then hose it down with WD-40, then when you want to paint it you have to get all the WD-40 off, plus the engine weighs as much as some cars... Aluminum is just easier for some things.</TD></TR></TABLE>
what do you think machine shops use to get honing oil off heads?water.
what do you think you use to final clean/pre-assembly wash blocks with? water?
and not real quick. only thing you have to worry about drying quickly is freshly cut/surfaced metal
11-27-2005, 11:04 PM
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hey i was wonder why did u need a rubber mallet when installing the stem seals? dont u just push it down with your fingers?
i've seen people use a 10mm and gently hammer it down. i asked a guy from a machine shop about this and he said you can damage the rubber part of the valve stem seal.
i've seen people use a 10mm and gently hammer it down. i asked a guy from a machine shop about this and he said you can damage the rubber part of the valve stem seal.
11-28-2005, 04:27 AM
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Re: DIY Porting Tips - Final Cleaning (bruceleeroy)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">When one is done "porting and polishing" it is very critical that the cylinder head be throughly cleaned with hot soapy water and rinsed to avoid introducting grinding grit and debris into the motor.</TD></TR></TABLE>
Yeah grinding dirt will cause nice failures to bearing surfaces. We have an enginewasher at school that we use, it washes the parts with hot water and a cleaning agent. works quite well.
Yeah grinding dirt will cause nice failures to bearing surfaces. We have an enginewasher at school that we use, it washes the parts with hot water and a cleaning agent. works quite well.
11-28-2005, 06:40 AM
#21
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Re: DIY Porting Tips - Final Cleaning (RPRacing)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RPRacing »</TD></TR><TR><TD CLASS="quote">and not real quick. only thing you have to worry about drying quickly is freshly cut/surfaced metal</TD></TR></TABLE>
We've had blocks come back from the machine shop after being honed and cleaned that were rusting within an hour. Not just the bores, but the outside as well. Iron rusts, oh well.
We've had blocks come back from the machine shop after being honed and cleaned that were rusting within an hour. Not just the bores, but the outside as well. Iron rusts, oh well.
11-28-2005, 08:42 AM
#23
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Re: DIY Porting Tips - Final Cleaning (drdisco69)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by drdisco69 »</TD></TR><TR><TD CLASS="quote">
We've had blocks come back from the machine shop after being honed and cleaned that were rusting within an hour. Not just the bores, but the outside as well. Iron rusts, oh well.</TD></TR></TABLE>
oh yes, iron will rust, but i was referring to quickly in that post. meaning within a couple of minutes. but yes, humidity will mess with all iron surfaces
We've had blocks come back from the machine shop after being honed and cleaned that were rusting within an hour. Not just the bores, but the outside as well. Iron rusts, oh well.</TD></TR></TABLE>
oh yes, iron will rust, but i was referring to quickly in that post. meaning within a couple of minutes. but yes, humidity will mess with all iron surfaces
