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volky1970
Samba Member
Joined: November 11, 2006
Posts: 415
Location: A very hot Island with BUGS that KILL!!!
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 Posted: Mon May 21, 2007 6:13 pm Post subject: Dull case to shiny case... |
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Hi,
I am currently rebuilding my 1585cc single port engine. I am going to convert it to a 1776cc dual port engine. During disassembly I noticed the case to be dull.
I decided to sandpaper the case for a natural smooth alloy look.
Motor out:
This is how the case looks:
A little sandpaper:
It will take some time but it will finish with a smooth surface.
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1970 Beetle Turbo 2109cc MS II EFI, W/M Injection, Intercooler, FORD Wasted Spark Coilpack, 48lb. Injectors. |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 79918
Location: Sneaking up behind you
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| Posted: Mon May 21, 2007 6:16 pm Post subject: |
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When you polish the case you close the pours and reduce the surface area.
In other words the engine will run hotter.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
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עַם יִשְׂרָאֵל חַי |
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volky1970
Samba Member
Joined: November 11, 2006
Posts: 415
Location: A very hot Island with BUGS that KILL!!!
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| Posted: Mon May 21, 2007 6:29 pm Post subject: |
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Thanks Glenn,
Do you know of a product I can use to at least make it look better?
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1970 Beetle Turbo 2109cc MS II EFI, W/M Injection, Intercooler, FORD Wasted Spark Coilpack, 48lb. Injectors. |
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Towel Rail
Horizontally Opposed
Joined: April 15, 2005
Posts: 4622
Location: SE CR IA US NA PE
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| Posted: Mon May 21, 2007 6:57 pm Post subject: |
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| volky1970 wrote: |
Thanks Glenn,
Do you know of a product I can use to at least make it look better? |
A wire wheel could clean off the gunk while leaving the outside surface rough.
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1974 Thing -- under the knife
1967 Beetle -- spring/summer/fall driver
1996 Subaru OBW (EJ22, 5-speed, AWD) -- winter car, 3-seasons "don't feel like biking today" car
049 > 070 > 053 > 009
Last edited by Towel Rail on Mon May 21, 2007 6:57 pm; edited 1 time in total |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79918
Location: Sneaking up behind you
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| Posted: Mon May 21, 2007 6:57 pm Post subject: |
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I washed mine with some degreaser and that's it.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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a.wilson
Samba Member
Joined: January 11, 2007
Posts: 2033
Location: Georgia
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| Posted: Mon May 21, 2007 7:20 pm Post subject: |
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Triple 000 or higher steel wool always does the trick.
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lowmitsu
Samba Member
Joined: April 08, 2004
Posts: 1102
Location: Summerville,SC
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| Posted: Mon May 21, 2007 7:40 pm Post subject: |
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| Hotter or not it looks good,but I'm a neat freak.I'm betting it won't be that noticable a difference.. |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79918
Location: Sneaking up behind you
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| Posted: Mon May 21, 2007 7:44 pm Post subject: |
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| lowmitsu wrote: |
| Hotter or not it looks good,but I'm a neat freak.I'm betting it won't be that noticable a difference.. |
You really only see 15% of the case. is it worth it?
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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John M.
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Joined: July 22, 2005
Posts: 3833
Location: Boulder, CO
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| Posted: Mon May 21, 2007 8:02 pm Post subject: |
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That finish won't last very long either.
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Current: 1972 Beetle - 96V EV
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oorwullie
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Joined: May 01, 2003
Posts: 2365
Location: fribourg,switzerland
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| Posted: Tue May 22, 2007 12:23 am Post subject: |
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| John M. wrote: |
| That finish won't last very long either. |
i had a type 4 engine fan housing bead blasted,was really shiny but it was all pretty oxidised again after 6 months.. lesson learned.  |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79918
Location: Sneaking up behind you
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| Posted: Tue May 22, 2007 3:08 am Post subject: |
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| oorwullie wrote: |
| John M. wrote: |
| That finish won't last very long either. |
i had a type 4 engine fan housing bead blasted,was really shiny but it was all pretty oxidised again after 6 months.. lesson learned. |
That's aluminum and the Type 1 case is magnesium. It will start to darken in days.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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oc63rag
Samba Member
Joined: June 03, 2003
Posts: 2663
Location: Huntington Beach, CA
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| Posted: Tue May 22, 2007 8:57 am Post subject: |
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I'd spend my time and effort on cleaning/painting everything above the case. Just a thorough cleaning makes a huge difference. If you paint the tin, fan shroud, intake, etc. it will look really nice.
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